Reporting Marks: C

C

C&A	The Chicago and Alton R.R. Co.	8/1920-7/1930
C&A	The Chicago and Alton R.R. Co. (The Alton R.R. Co.)	7/1932-7/1936
C&A	Alton R.R.	4/1938-7/1954
CA	Chesapeake & Albemarie R.R. Co., Inc.	added 7/1990; 1/1994; eliminated 7/1996; 7/2000-7/2005; added 7/2010; eliminated 10/2015
CAAX	The Calumet & Arizona Mining Co.	8/1920-7/1930
CAAX	Arrow Industries, Inc.	added 4/1990; eliminated 10/1992
CAAX	MHC Inc., Wholly Owned Subsidiary of ConAgra, Inc.	added 10/1992; 1/1994-7/2000; eliminated 1/2002
CAAX	MHC Inc., Wholly Owned Subsidiary of ConAgra Foods	added 1/2002; eliminated 7/2002
CABX	Cabot Carbon Co.	7/1935-10/1957; eliminated 1/1961
CABX	Cabot Corp.	added 1/1961; 4/1961-7/2000; eliminated 1/2003; added 4/2005; 7/2005; eliminated 4/2014
CACV	Cooperstown and Charlotte Valley Ry. Corp.	1/1975; added 4/1975; 1/1980; eliminated 10/1988; 1/1994
CACV	The New York, Susquehanna and Western Ry. Corp.	eliminated 4/1996
CACX	Monsanto Chemical Works	8/1920
CACX	The Columbia Alkali Corp.	7/1937-4/1938
CACX	Pittsburgh Plate Glass Co., Columbia Chemical Div.	1/1941-1/1943
CACX	Cracker Asphalt Corp.	added 10/1962; 7/1965-4/1970; eliminated 7/1971
CACX	Young Refining Corp.	added 7/1971; eliminated 10/1972
CAD	Cadiz R.R. Co.	1/1975; added 4/1977; 1/1980; eliminated 1/1989; eliminated 4/1989
CADX	C.E. Cadieux	7/1935-1/1941
CADX	Cadillac Tank Car Co.	4/1947-4/1970; eliminated 4/1971
CADX	CAN DO, Inc.	7/2000-7/2005 (unlisted)
CAEG	Coffeen and Western R.R.	7/2005
CAEX	Canadian Arsenals Ltd.	1/1952-7/1965; eliminated 1/1966
CAEX	The Andersons, Inc.	added 7/2014; eliminated 1/2022
CAEX	American Industrial Transport, Inc.	added 1/2022
CAGX	C.A. Gustafson Co.	7/1923
CAGX	MHC Inc., Wholly Owned Subsidiary of ConAgra, Inc.	added 10/1979; 1/1980-7/2000; eliminated 1/2002
CAGX	MHC Inc., Wholly Owned Subsidiary of ConAgra Foods	added 1/2002; 7/2005; eliminated 4/2016
CAGX	Ardent Mills, LLC	added 4/2016
CAGY	Columbus and Greenville Ry. Co.	added 10/1975; 1/1980-7/2000; eliminated 1/2004; 7/2005
CAHX	General American Tank Car Corp.	7/1923
CAIX	Cominco American, Inc.	added 4/1966; 10/1966-1/1980; eliminated 5/1983
CAIX	CAI Rail Inc.	added 4/2012; eliminated 4/2021
CAIX	Infinity Transportation III LLC	added 4/2021
CALA	The Carolina Southern R.R. Co.	added 7/1997; 7/2000; eliminated 10/2002; 7/2005
CALX	The Calco Chemical Co., Inc.	7/1923-4/1938
CALX	Calco Chemical Division, American Cyanamid Co.	1/1941-1/1952; eliminated 10/1953
CALX	American Cyanamid Co., Calco Chemical Division	added 10/1953; eliminated 4/1954
CALX	American Cyanamid Co.	added 4/1954; 7/1954; eliminated 1/1957
CALX	Calhoun Trading Co., Inc.	added 10/1974; 1/1975; eliminated 7/1976
CALX	California Railcar Corp.	added 7/1979; 1/1980-7/2000; eliminated 1/2003; added 1/2004; eliminated 4/2004; 7/2005 (unlisted)
CAMX	Canamax Commodity Corp.	added 10/1981; eliminated 1/1985
CAMX	Chrysler Capital Transportation Services, Inc.	added 4/1987; eliminated 1/1988
CAMX	Chrysler Rail Transportation Corp.	added 1/1988; 1/1994 (unlisted); eliminated 1/1997
CANX	Canfield Tank Line Co.	8/1920-7/1923
CANX	The Canfield Tank Line	7/1930-1/1952; eliminated 10/1953
CANX	John H. Grace Co.	added 10/1953; eliminated 4/1954; 7/1954
CANX	Canadian Industries Ltd., Explosives and Ammunition Division	added 1/1966; 10/1966-1/1975
CANX	Canadian Industries Ltd., De Salaberry Works, Explosives and Ammunition Division	eliminated 4/1978
CANX	Canadian National Ry. Co.	eliminated 10/1993
CANX	CANAC International, Inc.	added 1/1993; 1/1994-7/2000; eliminated 7/2004
CANX	CANAC Inc.	7/2005 (unlisted)
CAOX	The B.F. Goodrich Co. & Chemical Group	added 10/1995
CAOX	B.F. Goodrich Co.—Chemical Group	eliminated 7/1999
CAOX	Westlake CA & O	added 7/1999; 7/2000-7/2005
CAPX	Clay Arthur Pierce (Pierce Oil Corp.)	8/1920
CAPX	The Capital City Products Co.	1/1941-4/1961; eliminated 7/1965
CAPX	TransAlta Utilities Corp.	added 10/1981; 1/1994-7/2000; eliminated 4/2002; 7/2005 (unlisted)
CARR	The Carrollton R.R.	1/1975-1/1994; eliminated 4/1996; 7/2000-7/2005
CARW	Carolina Western	1/1975
CARX	Cargo Carriers Inc.	added 7/1955; 10/1957-7/1965; eliminated 10/1965
CARX	Carlon Division, Indian Head, Inc.	added 10/1972; 1/1975; eliminated 10/1977
CARX	Carlon, an Indian Head Co.	added 10/1977; 1/1980; eliminated 7/1984
CARX	Carlon	added 7/1984; 1/1994; eliminated 1/1995
CARX	Lamson & Sessions	added 1/1995; eliminated 1/1999; 7/2000 (unlisted)
CARX	CAI Rail Inc.	added 1/2017; eliminated 4/2021
CARX	Infinity Transportation III LLC	added 4/2021
CASO	Canada Southern Ry.	1/1943-7/1965
CASO	Canada Southern Ry. (New York Central System)	10/1966
CASO	Penn Central Transportation Co. (Canada Southern Ry.)	1/1975
CASO	Penn Central Transportation Co., Robert W. Blanchette, Richard C. Bond and John H. McArthur, Trustees	eliminated 4/1976
CASO	Consolidated Rail Corp.	added 4/1976; eliminated 4/1977; 1/1980
CASO	CP Rail (CASO)	added 7/1985; eliminated 10/1987; 1/1994-7/2005
CATX	Canadian Tank Car Co. (Canadian General Transit Co., Ltd.)	7/1932
CATX	General American Marks Co.	added 1/2004; 7/2005
CAX	Central Alloy Steel Corp.	7/1930
CAXX	CAI Rail Inc.	added 1/2017; eliminated 4/2021
CAXX	Infinity Transportation III LLC	added 4/2021
CBBX	Cleveland Builders Supply & Brick Co.	8/1920
CBC	Carbon County Ry. Co.	1/1950-10/1966 & 1/1975-1/1980; eliminated 7/1984
CBC	Chemin de fer Baie des Chaleurs Inc.	7/2000-7/2005
CBCX	Colonial Brick Company, Inc.	added 7/1987; 1/1994; eliminated 10/1996
CBCX	Morton International, Inc.	added 10/1996; eliminated 1/2000; 7/2000 (unlisted); added 10/2000; eliminated 4/2001
CBCX	Colonial Brick Company, Inc.	7/2005 (unlisted)
CBFX	The CIT Group/Capital Finance, Inc.	added 1/2012; eliminated 10/2018
CBFX	The CIT Group/Equipment Financing Inc.	added 10/2018
CBGR	Council Bluffs Ry. Co.	added 1/1992; 1/1994
CBGR	Council Bluffs Ry. Co./Great Western Ry. of Iowa	eliminated 10/1995
CBGR	Council Bluffs Ry. Co./Great Western Ry. of Iowa, L.L.C.	added 10/1995; 7/2000; eliminated 7/2001; 7/2005
CBIX	Chappel Bros., Inc. (North American Car Corp.)	7/1932-7/1935
CBIX	Continental Blacks, Inc.	added 4/1954; 7/1954-10/1957; eliminated 10/1958
CBIX	Central Bi-Products	added 4/1981; 1/1994-7/2005
CBKX	C.B. Kendall Co.	7/1935
CBL	Conemaugh & Black Lick R.R. Co.	4/1938-1/1994; eliminated 10/1999; 7/2000
CBMX	Calabama Chemical Co.	added 7/1954; 7/1954; eliminated 4/1956
CBMX	Olin Mathieson Chemical Corp.	added 4/1956; 10/1957-7/1965; eliminated 10/1966
CBNS	Cape Breton & Central Nova Scotia Ry.	1/1994; added 4/1997; 7/2000; eliminated 10/2002; 7/2005; added 4/2007; eliminated 4/2012
CBOA	Council Bluffs and Ottumwa Ry., Inc.	added 1/1990; eliminated 7/1991
CBOX	TTX Co.	added 7/2004; 7/2005
CBPX	Corn Belt Packing Co.	8/1920
CBPX	Calumet Baking Powder Co.	7/1930
CBPX	Chicago By-Products Corp.	1/1941
CBPX	Cattle Car Leasing Co.	4/1970-1/1980; eliminated 4/1980
CBPX	Custom Building Products	7/2005 (unlisted)
CB&Q	Burlington Route (Chicago, Burlington & Quincy R.R.)	8/1920-7/1936
CB&Q	Chicago, Burlington & Quincy R.R.	4/1938-10/1966
CBQ	Burlington Northern Inc.	1/1975-1/1980; eliminated 7/1981
CBQ	Burlington Northern R.R. Co.	added 7/1981; 1/1994
CBQ	Burlington Northern Santa Fe Ry. Co.	7/2000; eliminated 4/2005
CBQ	BNSF Ry. Co.	added 4/2005; 7/2005
CBRM	Chillicothe-Brunswick Rail Maintenance Authority	added 7/1994; added 7/1995; eliminated 4/1997; 7/2000-7/2005
CBRW	Columbia Basin R.R. Co., Inc.	added 4/1997; 7/2000-7/2005
CBRX	Capitol Brand Refrigerator Express (The Columbus Packing Co.)	7/1930-7/1932
CBRX	Columbus Packing Co. (Merchants Despatch, Inc.)	7/1935
CBRX	The Columbus Packing Co.	7/1937
CBRX	The Columbiana Boiler Co.	added 4/1959; 4/1961-7/1965; eliminated 4/1966
CBRX	Charles Barthoid	7/2005 (unlisted)
CBRY	Copper Basin Ry., Inc.	added 10/1986; eliminated 7/1992; added 10/1992; 1/1994-7/2005
CBSX	Cambria Steel Co.	8/1920
CBSX	Cambria Steel Co. (Bethlehem Steel Co.)	7/1923
CBTX	The CIT Group/Capital Finance, Inc.	added 1/2012; eliminated 10/2018
CBTX	The CIT Group/Equipment Financing Inc.	added 10/2018
CBX	Canadian Breweries Ltd.	4/1947-7/1954; eliminated 10/1954
CBX	Carling Brewing Co.	added 1/1955; 10/1957-4/1961; eliminated 10/1962
CBYN	Crosbyton Ry. Co.	added 7/1991; eliminated 1/1992
CBYN	Crosbyton Ry. Co., Inc.	added 1/1992; eliminated 1/1993; 1/1994-7/2005
C&C	Coal & Coke Ry.	8/1920
CC	Chicago Central & Pacific R.R. Co.	added 4/1986; 1/1994-7/2005
C&CA	Canton & Carthage R.R.	4/1938-4/1961
CCAX	Corona Coal & Iron Co. (Corona Coal Co.)	8/1920
CCAX	California Contemporary Trust	added 10/1986; eliminated 10/1987
CCAX	FDJ Leasing	added 10/1987; eliminated 10/1993; 1/1994-7/2005 (unlisted)
CCBX	Carbide and Carbon Chemicals Corp.	7/1930-1/1950
CCBX	Carbide and Carbon Chemicals Co., a Division of Union Carbide and Carbon Corp.	1/1952; 7/1954; eliminated 7/1957
CCBX	Union Carbide Chemicals Co., Division of Union Carbide Corp.	added 7/1957
CCBX	Union Carbide Corp.	10/1957-4/1961
CCBX	Union Carbide Corp., Chemicals Division	added 10/1963; 7/1965-10/1966; eliminated 10/1967
CCBX	Union Carbide Corp., Chemicals and Plastics	added 10/1967; eliminated 1/1968
CCBX	Union Carbide Corp., Chemicals and Plastics Operations Division	added 1/1968; 4/1970-1/1975; eliminated 1/1979
CCBX	Union Carbide Corp., Chemicals and Plastics Division	added 1/1979; 1/1980; eliminated 7/1980
CCBX	Union Carbide Corp.	added 7/1980; eliminated 10/1980
CCBX	Union Carbide Corp., Chemicals and Plastics Division	added 10/1980; eliminated 5/1983
CCBX	Union Carbide Corp.	added 5/1983; eliminated 1/1993
CCBX	Union Carbide Chemicals and Plastics Co., Inc.	added 1/1993; 1/1994; eliminated 1/1995; eliminated 4/1995
CCBX	Union Carbide Corp.	added 1/1995; added 4/1995; 7/2000
CCBX	Union Carbide Corp., a subsidiary of The Dow Chemical Co. U.S.A.	7/2005
CCCL	Connecticut Central R.R. Co.	added 1/1988; 1/1994; eliminated 10/1998; 7/2000-7/2005
CCCT	Central California Traction Co.	4/1938
CCCX	Crystal Chemical Corp.	7/1923
CCCX	Continental Carbon Co.	1/1943-10/1957; eliminated 7/1959
CCCX	Coastal Chemical Corp.	added 7/1960; 4/1961-4/1970; eliminated 10/1972
CCCX	Carondelet Coke Corp. (captive service)	1/1994 (unlisted)
CCCX	CII Carbon L.L.C.	added 1/2004; 7/2005; eliminated 7/2006
CCD	The Colorado Springs & Cripple Creek District Ry. (Colorado Springs & Cripple Creek R.R.)	7/1923
CCDX	Co-Operative Creameries Dairy Line	7/1932
CCDX	Dayton Power and Light Co.	added 4/1978; 1/1980-1/1994; eliminated 10/1998; 7/2000-7/2005
CCEX	Chipman Chemical Engineering Co., Inc.	8/1920-7/1930
CCEX	Chipman Chemical Engineering Co., Inc. (Chipman Chemical Co., Inc.)	7/1932
CCEX	Chipman Chemical Co., Inc.	7/1935-10/1966; eliminated 7/1967
CCEX	CCC Transport Co.	7/2005 (unlisted); added 10/2005
CCGX	Cando Contracting Ltd.	added 7/1997; eliminated 1/2000; 7/2000-7/2005 (unlisted)
CCHX	Columbian Carbon (Canada) Inc.	added 10/1966; 10/1966-4/1970; eliminated 4/1971
CCHX	Cities Service Chemicals, Ltd.	added 4/1971; 1/1975-1/1980; eliminated 4/1981
CCHX	Columbian Chemicals Canada Ltd.	added 4/1981; 1/1994-7/2000; eliminated 1/2004; 7/2005 (unlisted)
CCIM	Corpus Christie Terminal	1/1994-7/2005
CCIX	The Cleveland-Cliffs Iron Ore Co.	7/1930-7/1932
CCIX	Consolidated Chemical Industries, Inc., New England, Louisiana and Texas Divisions	7/1937-4/1938
CCIX	Consolidated Chemical Industries	1/1941-7/1954; eliminated 4/1956
CCIX	Consolidated Chemical Industries, Division of Stauffer Chemical Co.	added 4/1956; 10/1957; eliminated 10/1958
CCIX	Stauffer Chemical Co., Consolidated Chemical Industries Division	added 10/1958; 4/1961; eliminated 1/1963
CCIX	Stauffer Chemical Co., Consolidated Chemical Division	added 1/1963; 7/1965-1/1980
CCIX	Rhone-Poulenc Basic Chemicals Co.	eliminated 1/1994; 1/1994 (unlisted)
CCK	Campbell's Creek R.R. Co.	8/1920-4/1961
CCKX	Carthage Creamery Co.	7/1932
CCKX	Carthage Creamery Co. (Merchants Despatch, Inc.)	7/1935
CCKX	California Contemporary, Inc.	added 4/1962; 7/1965-1/1980; eliminated 4/1986
CCKX	CCKX, Inc.	added 4/1986; 1/1994; eliminated 7/1999; 7/2000-7/2005 (unlisted)
CCKY	Chattooga & Chickamauga Ry. Co.	added 1/1990; 1/1994-7/2000; eliminated 1/2004; 7/2005
CCLX	Crystal Car Line	8/1920-7/1954
CCLX	Crystal Car Line, Inc.	10/1957-7/2000; eliminated 1/2003; added 10/2003; 7/2005
CCMX	Crossett Chemical Co.	7/1932-4/1961; eliminated 10/1962
CCMX	Georgia-Pacific Corp., Crossett Division Chemical	added 10/1962; 7/1965-4/1970; eliminated 7/1972
CCMX	Calcium Carbonate Co.	1/1980; eliminated 5/1983; 1/1994 (unlisted)
CCNX	Catalin Corp. of America	7/1935-7/1965; eliminated 10/1965
CCNX	Catalin Corp.	added 10/1965; 10/1966; eliminated 4/1968
CCNX	Ashland Chemical Co., Division of Ashland Oil & Refining Co.	added 4/1968; eliminated 10/1968
CCNX	Ashland Oil & Refining Co.	added 10/1968; eliminated 4/1970
CCNX	Ashland Chemical Co., Division of Ashland Oil, Inc.	added 4/1970; 4/1970-1/1975; eliminated 1/1976
CC&O	Carolina, Clinchfield & Ohio Ry.	7/1923
CC&O	Carolina, Clinchfield & Ohio Ry. (Clinchfield R.R. Co.)	7/1930-7/1936
CC&O	Clinchfield R.R.	4/1938-10/1957
CCO	Clinchfield R.R. Co.	1/1975-1/1980
CCOX	Chickasha Cotton Oil Co.	7/1935-10/1966; eliminated 10/1967
CCPR	Chelatchie Prairie R.R., Inc.	added 4/1982; eliminated 4/1987
CCPX	Crown Central Petroleum Corp.	7/1930-1/1952; eliminated 7/1954
CCPX	Continental Chemical Products of Los Angeles, Inc.	added 4/1965; 7/1965-4/1970; eliminated 4/1972
CCPX	Canadian Chemical Producers' Association	added 1/1992; 1/1994-7/2000; eliminated 7/2001; 7/2005 (unlisted)
CCQX	Construction Carrier, Inc.	added 1/1975; 1/1975-1/1980; eliminated 1/1985
CCR	Corinth & Counce R.R. Co.	10/1966 & 1/1975-1/1980; eliminated 4/1992
CCR	TennRail Corp.	added 4/1992; 1/1994; eliminated 7/1994
CCR	Kansas City Southern Ry. Co.	added 7/1994; 7/2000-7/2005
CCRA	Camp Chase Industrial R.R. Corp.	7/2000-7/2005
CCRL	Cleveland Commercial R.R. Co. LLC	7/2005
CCRR	Claremont Concord R.R. Corp.	added 1/1989; 1/1994-7/2000; eliminated 1/2004; 7/2005
CCRX	Consumers' Co-operative Refineries Ltd.	7/1937 (unlisted); 4/1938-1/1952; added 4/1953; 7/1954-4/1970; eliminated 4/1970
CCRX	Coastal Refining & Marketing, Inc.	1/1994-7/2000 (unlisted)
CCRY	Charles City Ry. Lines, Inc.	added 1/1988; 1/1994-7/2005
CCSX	Central Cold Storage Co. (North Western Refrigerator Line Co.)	7/1935
CCSX	Columbia Cellulose Co., Ltd.	added 4/1956; 10/1957; eliminated 7/1959
CCT	Central California Traction Co.	1/1941-1/1994; eliminated 10/1998; 7/2000-7/2005
CCTX	Central Power and Light Co.	1/1980; added 4/1980; 1/1994-7/2000; eliminated 1/2005
CCTX	Coleto Creek Power WLE, LP	7/2005 (unlisted)
CCUO	Chicago-Chemung R.R. Corp.	added 7/1991; 1/1994-7/2005
CCWX	California Consolidated Water Co.	7/1935
CCWX	California Consumers Co. (California Consolidated Water Co.)	7/1937-4/1938
CCWX	Coastal Chem, Inc.	1/1994-7/2005 (unlisted)
CCX	The Columbia Chemical Co.	8/1920
CCX	The Columbia Chemical Division (Pittsburgh Plate Glass Co.)	7/1923
CCX	Columbian Carbon Co.	1/1941-4/1961; 7/1965-10/1966; eliminated 4/1970
CCX	Cities Service Co., Columbian Division	added 4/1970; 4/1970-1/1975; eliminated 4/1978
CCX	Cities Service Co.	added 4/1978; eliminated 4/1979
CCX	Cities Service Co., Columbian Division	added 4/1979; eliminated 1/1980
CCX	Columbian Chemicals Co.—A Subsidiary of Cities Service Co.	added 1/1980; 1/1980; eliminated 1/1984
CCX	Columbian Chemicals Co., Wholly Owned Subsidiary of Consolidated Mining & Industries, S.A.	added 1/1984; eliminated 10/1987
CCX	Columbian Chemicals Co., Wholly Owned Subsidiary of Phelps-Dodge Corp.	added 10/1987; 1/1994-7/2005
CCX	Columbian Chemical Co.	eliminated 7/2013
CCXX	Costain Coal Co.	added 1/1997; 7/2000; eliminated 7/2002
CCY	Central Canada Ry. Co.	7/1923
CCY	Central Canada Ry. Co. (Northern Alberta Rys.)	7/1930-7/1932
CCYR	Colleton County R.R. Co., Inc.	added 4/1987; eliminated 4/1988
CDAC	Canadian American R.R. Co.	added 4/1995; 7/2000; eliminated 4/2001
CDAC	Bangor and Aroostook Rd. Co.	added 4/2001; eliminated 4/2002; 7/2005; eliminated 1/2015
CDAC	Central Maine & Quebec Ry.	added 1/2015
CDBX	Consolidated Dressed Beef Co., Inc.	added 7/1967; 4/1970; eliminated 11/1973
CD&C	Cumberland Ry. & Coal Co.	7/1923-4/1961
CDCX	Capitol Dairy Co.	7/1935-7/1937
CDCX	Merchants Despatch Transportation Corp.	added 7/1955; 10/1957-10/1966; eliminated 7/1969
CDCX	Liquid Air Corp.	added 4/1990; 1/1994; eliminated 1/1995
CDCX	Air Liquide America Corp.	added 1/1995; 7/2000-7/2005; eliminated 7/2008
CDCX	Air Liquide IC GP LLC d/b/a Air Liquide Industrial U.S. LP	added 7/2008
CDEX	Coastal Distribution, LLC	7/2005 (unlisted)
CDGX	Carolinas Domestic Gas Co., Inc.	added 4/1966; 10/1966-1/1980; eliminated 10/1987
CDGX	Service Oil Co.	added 7/1991; 1/1994-7/2000; eliminated 10/2001
CDGX	Bridgeview Systems, LLC, d/b/a Chatham Oil Co.	added 10/2001; eliminated 1/2004; 7/2005 (unlisted)
CDHX	Caledonian Rail Lines, LLC	7/2005 (unlisted)
CDKX	Cliffs Dow Chemical Co.	7/1935-10/1966; eliminated 10/1968
CDKX	Royal Oak Charcoal Co., Northern Division	added 10/1968; eliminated 10/1969
CDLX	California Dispatch Line	8/1920-1/1952; eliminated 4/1953
CDLX	General American Transportation Corp.	added 4/1953; 7/1954-10/1957; eliminated 7/1961
CD&M	Clinton, Davenport & Muscatine R.R.	7/1923
CD&M	Clinton, Davenport & Muscatine Ry. Co.	7/1930-7/1936
CDM	Clinton, Davenport & Muscatine Ry.	4/1938-1/1943
CDPX	Cloverland Dairy Products Co., Inc.	7/1937-4/1947
CDRX	Consolidated Rendering Co. (Burlington Rendering Co.)	7/1930
CDTX	California Dept. of Transportation	1/1994-7/2005 (unlisted)
CDVX	Caddo Valley Railcar Repair, Inc.	7/2005 (unlisted)
CDWX	M-R Logistics, LLC	7/2005 (unlisted)
CDX	General American Transportation Corp.	1/1941-7/1954; eliminated 7/1955
CEBX	Charles E. Brown	7/1930-7/1932
CEBX	Charles E. Brown, Estate	7/1935-4/1938
CEBX	Combustion Engineering, Inc.	added 1/1974; 1/1975-7/2000; eliminated 4/2003
CEBX	Alstom Power Energy Recovery	added 10/2003; eliminated 4/2004; 7/2005 (unlisted)
CEDR	Cedar River R.R. Co.	added 4/1992; 1/1994-7/2005
CEDX	G.S.S. & M. Inc., Rail Division	7/2005 (unlisted)
CEFX	Transportation Corp. of America	added 10/1996; eliminated 1/1998
CEFX	The CIT Group/Capital Finance, Inc.	added 1/1998; 7/2000-7/2005; eliminated 10/2018
CEFX	The CIT Group/Equipment Financing Inc.	added 10/2018
C&EI	Chicago & Eastern Illinois Ry. Co.	8/1920-7/1954
C&EI	Chicago & Eastern Illinois R.R.	10/1957-10/1966
CEI	Chicago & Eastern Illinois R.R.	1/1975; eliminated 1/1977
CEI	Missouri Pacific System	added 1/1977
CEI	Missouri Pacific R.R. Co.	1/1980
CEI	Missouri Pacific System	1/1994; eliminated 4/1997
CEI	Union Pacific R.R. Co.	added 4/1997; 7/2000-7/2005
CEIW	Central Indiana & Western R.R. Co., Inc.	added 1/1987; eliminated 7/1989; 1/1994-7/2005
CEKX	C.E. Kremer	8/1920
CEKX	C.E. Kramer	7/1923
CELX	Celanese Corp. of America	added 10/1964; eliminated 1/1965
CELX	Celtran Inc., a Subsidiary of Celanese Corp. of America	added 1/1965
CELX	Celtran, Inc.	7/1965
CELX	Celtran Inc., a Subsidiary of Celanese Corp. of America	10/1966; eliminated 4/1967
CELX	Celtran Inc., a subsidiary of Celanese Corp.	added 4/1967; 4/1970-1/1980; eliminated 7/1987
CELX	Celtran Inc., a Subsidiary of Hoechst Celanese Corp.	added 7/1987; 1/1994-7/2000; eliminated 4/2001
CELX	Celtran Inc., a Subsidiary of Celanese International Corp.	added 4/2001; 7/2005
CEMR	Central Manitoba Ry., Inc.	7/2000-7/2005
CEMX	Cementos Mexicanos, S.A.	added 4/1984; eliminated 7/1991
CEMX	Sunbelt Cement, Inc.	added 7/1991; 1/1994-7/2000; eliminated 1/2001
CEMX	Cemex Mexico SA de CV	added 1/2001; eliminated 7/2005; 7/2005 (unlisted)
CEMX	Cemex, Inc.	added 7/2005
CENX	Central Chemical Co.	8/1920-4/1938
CENX	Central Chemical, Division of Wilson & Co., Inc.	1/1941-1/1952; eliminated 4/1954
CENX	General American Transportation Corp.	added 4/1954; 7/1954-10/1957; eliminated 10/1960; 4/1961 (unlisted)
CENX	Western Aggregates, Inc.	added 1/1981; 1/1994; eliminated 7/2000; 7/2000 (unlisted)
CEPX	Certain-teed Products Corp.	8/1920-1/1941
CEPX	Cajun Electric Power Cooperative, Inc.	added 1/1979; 1/1980-1/1994; eliminated 4/1995; 7/2000 (unlisted)
CEPX	Trinity Industries Leasing Co.	added 10/2000; 7/2005
CERA	Central R.R. Co. of Indianapolis	added 7/1989; eliminated 7/1993; 1/1994-7/2005; eliminated 1/2009; added 7/2010
CERX	Central Refining Co.	8/1920-7/1923
CERX	Central Refining Co. (Indian Refining Co., Inc.)	7/1930
CERX	Custom Truck Rental Corp.	added 1/1962
CERX	Custom Truck Rental Corp., Division of United States Freight Co.	eliminated 7/1962
CERX	Custom Equipment Rentals, Inc.	added 4/1966
CERX	Custom Equipment Rentals, Inc. Division of United States Freight Co.	eliminated 7/1966
CERX	Choate Chemical Co., a subsidiary of E.R. Carpenter Co., Inc.	added 7/1973; 1/1975; eliminated 10/1977
CERX	Carpenter Chemical Co., a subsidiary of E.R. Carpenter Co., Inc.	added 10/1977; 1/1980
CERX	Carpenter Chemical Co.	eliminated 1/1991; 1/1994 (unlisted)
CERX	Carpenter Co.	added 1/2000; eliminated 4/2000
CERX	E.R. Carpenter Co., L.P.	added 4/2000; 7/2000-7/2005; eliminated 10/2006
CERX	Union Tank Car Co.	added 10/2006
CETX	Cowden-Eaton Tank Line	8/1920
CEWX	Canadian Enterprise Gas Products Ltd.	added 7/1982; 1/1994-7/2005; eliminated 1/2012
CEX	The Chilhowee Extract Co. (England, Walton & Co., Inc.)	8/1920-7/1923
CEX	Chilhowee Co.	7/1930-4/1938
CF	Cape Fear Rys., Inc.	7/1965 & 1/1975-1/1980; eliminated 10/1984; 1/1994-7/2005
CFAX	Combustion By-Products Co.	added 7/1963; 7/1965-1/1975; eliminated 1/1976
CFBX	CFBX, Inc.	added 1/1980; 1/1980; eliminated 1/1983
CFCX	The Champion Fibre Co.	8/1920-7/1935
CFCX	Champion Paper & Fibre Co.	7/1937-4/1938
CFCX	Cities Fuel Corp.	1/1950
CFDX	Central Fruit Despatch (Illinois Central R.R. Co.)	8/1920-7/1923
CFE	Chicago, Ft. Wayne & Eastern, a Division of Central R.R. of Indianapolis, Inc.	added 10/2004; 7/2005; eliminated 7/2016
CFIX	The Colorado Fuel & Iron Co.	7/1923-7/1935
CFIX	The Colorado Fuel & Iron Corp.	7/1937-7/1965; eliminated 10/1966
CFIX	CF&I Steel Corp.	added 10/1966; 10/1966-1/1975; eliminated 1/1979
CFKX	Chicago Freight Car Line	7/1930-7/1932
CFL	CF Lanaudiere Inc.	7/2005
CFLX	Central Florida Lumber Co.	8/1920-7/1923
CFLX	Crestbrook Forest Industries, Inc. (captive service)	1/1994-7/2000 (unlisted)
CFMG	Chemin De Fer De La Matapedia Et Du Golfe Inc.	7/2005; eliminated 7/2009
CFMG	Canadian National Rys.	added 7/2009
CFMX	Secretaria de la Defensa Nacional, Comission de Fomento Industrial Militar	1/1943-1/1950
CFMX	Cargill, Inc.	added 7/1994; 7/2000-7/2005
CFNR	California Northern R.R. Co., L.P.	1/1994-7/2005; added 7/2010
CFPX	Central Farm Products Co.	4/1947 (unlisted); 1/1950
CFPX	Chartrand's Traffic Service	1/1952; eliminated 7/1953
CFPX	Chartrand's Tank Car Service	added 7/1953; 7/1954; eliminated 7/1955
CFPX	North American Car Corp.	added 10/1972; 1/1975-1/1980; eliminated 1/1984
CFPX	General Electric Railcar Services Corp.	added 1/1984; 1/1994; eliminated 10/1994
CFRW	Caney Fork and Western R.R., Inc.	added 7/1984
CFRX	Canfield Refining Co.	8/1920-7/1923
CFRX	Chicago Freight Car & Parts Co.	1/1952-10/1957; eliminated 4/1959
CFRX	Chicago Freight Car Co.	added 4/1959; 4/1961; eliminated 4/1963
CFRX	Chicago Freight Car Leasing Co.	added 4/1963; 7/1965-1/1980; eliminated 1/1983
CFSX	C.F. Simonin's Sons, Inc.	7/1930-7/1935
CFSX	C&F Refinery, Inc.	1/1980
CFSX	C&T Refinery, Inc.	added 4/1980; 1/1994-7/2005 (unlisted)
CFTX	Canadian Fertilizers Ltd.	7/2000-7/2005 (unlisted)
CFVX	C.F. Vissman Co., Inc.	4/1938
CFWR	The Caney Fork and Western R.R.	added 1/1986; eliminated 4/1987; 1/1994-7/2005; eliminated 4/2011
CG	Central of Georgia Ry. Co.	8/1930-7/1932
CG	Central of Georgia Ry.	7/1935-10/1966
CG	Central of Georgia R.R. Co.	1/1975
CG	Central of Georgia Ry. Co.	1/1980
CG	Southern Ry. System	eliminated 1/1991
CG	Norfolk Southern Ry. Co.	added 1/1991; 1/1994-7/2005
C&G	Columbus & Greenville R.R. Co.	7/1923
C&G	Columbus & Greenville Ry. Co.	7/1930-10/1966
CGA	Central of Georgia R.R. Co.	1/1975
CGA	Central of Georgia Ry. Co.	1/1980
CGAX	Cumberland Gasoline Corp.	1/1943-4/1961
CGAX	General American Transportation Corp.	eliminated 10/1959
CGAX	Cumberland Gasoline Corp.	added 10/1959; eliminated 1/1964
CGAX	Shippers' Car Line Division of ACF Industries, Inc.	added 1/1964; 7/1965; eliminated 4/1966
CGAX	Cargill Inc.	added 1/1996
CGAX	Cargill Inc. — C.G.D. Division	added 7/1996; 7/2000-7/2005
CGBX	Canadian General Transit Co., Ltd.	added 4/1957; 10/1957-1/1980; eliminated 1/1981
CGBX	CGTX, Inc.	added 1/1981; eliminated 7/1982
CGBX	Procor Ltd.	added 7/1982; 1/1994
CGBX	Dow Chemical Canada, Inc.	added 4/1997; 7/2000-7/2005
CGCX	Consolidated Food Processors, Inc.	1/1952-10/1957; eliminated 1/1958
CGCX	Monarch Foods, Canners & Processors	added 1/1958; eliminated 4/1959
CGCX	Columbia Foods, a Division of Consolidated Foods Corp.	added 4/1959; 4/1961; eliminated 1/1964
CGCX	Columbia Food, a Division of Michigan Fruit Canners, Inc.	added 1/1964; eliminated 7/1964
CGCX	County Gas Co.	added 4/1970; 4/1970-1/1980; eliminated 7/1981
CGCX	Continental Grain Co.	added 10/1984; 1/1994; eliminated 1/2000
CGCX	Cargill Inc.—C.G.D. Division	added 1/2000; 7/2000-7/2005
CGDX	Country Gas Distributors, Inc.	added 5/1983; 1/1994-7/2000; eliminated 1/2003
CGDX	Country Gas Distributors, Inc. d/b/a Eastern Propane Gas, Inc.	added 1/2003; 7/2005
CGEX	Canadian General Electric Co. Ltd.	added 4/1967; 4/1970-1/1980; eliminated 10/1989
CGEX	Cargill, Inc.	added 1/1998; eliminated 4/1998
CGEX	Cargill, Inc. — C.G.D. Division	added 4/1998; 7/2000-7/2005
CGFX	Consolidated Gas Co. of Florida, Inc.	added 10/1976; 1/1980; eliminated 1/1994; 7/2000-7/2005 (unlisted)
CGIX	Cook's Gas, Inc.	added 1/1974; 1/1975; eliminated 4/1979
CGLX	The Childers Gasoline Co.	8/1920
CGLX	Canadian General Transit Co., Ltd.	added 4/1957; 10/1957-1/1980; eliminated 1/1981
CGLX	CGTX Inc.	added 1/1981; 1/1994-7/2000; eliminated 4/2002
CGLX	GATX Rail Canada Corp.	added 4/2002; 7/2005
CGMX	CGTX Inc.	added 7/1982; 1/1994-7/2000; eliminated 4/2002
CGMX	GATX Rail Canada Corp.	added 4/2002; 7/2005
CGNE	Champagne R.R., Inc.	added 4/1993; 1/1994; eliminated 10/1996; 7/2000-7/2005
CGOX	Cargill, Inc.	added 10/1997; 7/2000-7/2005
CG&P	Cincinnati, Georgetown & Portsmouth R.R.	8/1920-7/1930
CG&P	Cincinnati, Georgetown & Portsmouth R.R. (Cincinnati, Georgetown R.R. Co.)	7/1932-7/1935
CGPX	Colonial Grape Products Co.	7/1930
CGR	Canadian Government Rys. (Canadian National Rys.)	8/1920-7/1923
CGR	Intercolonial Ry. of Canada (Canadian National Rys.)	7/1923
CGR	Central Gulf Ry. Inc.	added 1/2001; eliminated 1/2002
CGR	CG Railway Inc.	added 1/2002; 7/2005; eliminated 4/2022
CGR	CG Railway LLC	added 4/2022
CGRX	Canadian General Transit Co., Ltd.	added 4/1961; 4/1961; eliminated 10/1962
CGRX	Consolidated Grain and Barge Co.	added 7/1988; 1/1994-7/2005
CGSX	California Gas Service Co.	added 1/1976; eliminated 1/1979
CGSX	Proflame, Inc.	added 1/1979; 1/1980-7/2005; eliminated 1/2014
CGSX	Amerigas Propane, L.P.	added 1/2014; eliminated 1/2017
CGSX	GLNX Corp.	added 1/2017; eliminated 1/2020
CGT	The Canada and Gulf Terminal Ry. Co.	1/1975-1/1994; eliminated 4/1995; 7/2000-7/2005
CGTX	Canadian General Transit Co., Ltd.	7/1932-1/1980; eliminated 1/1981
CGTX	CGTX Inc.	added 1/1981; 1/1994-7/2000; eliminated 4/2002
CGTX	GATX Rail Canada Corp.	added 4/2002; 7/2005
CGW	Chicago Great Western Ry. Co.	4/1938-10/1966
CGW	Chicago and North Western Transportation Co.	1/1975-1/1994; eliminated 1/1995
CGW	Chicago and North Western Ry. Co.	added 1/1995; eliminated 10/1995
CGW	Union Pacific Ry. Co.	added 10/1995; 7/2000-7/2005
CGWX	Crete Grain Co., Inc.	7/2005 (unlisted)
CGX	Consumers Gas Co. (Consumers Gas Co. of Toronto)	7/1923
CGX	Calor Gas Co.	1/1952-10/1957; eliminated 10/1960
CGX	Calor Gas Ltd.	added 10/1960; eliminated 4/1961
CGX	Suburban Gas of Canada, Ltd.	added 4/1961; 4/1961; eliminated 7/1961
CGX	Suburban Gas Ltd.	added 7/1961; eliminated 10/1963
CHAT	Chattahoochee & Gulf R.R. Co., Inc.	added 10/2003; 7/2005; eliminated 10/2006
CHAT	Chattahoochee Bay R.R. Co., Inc.	added 10/2006
CHAX	John W. Chartrand (Chartrand's Traffic Service)	4/1947-1/1952; eliminated 7/1953
CHAX	Chartrand's Tank Car Service	added 7/1953; 7/1954-10/1957; eliminated 1/1958
CHAX	Chartrand's Tank Car Rentals	added 1/1958; eliminated 4/1958
CHAX	Chartrand's Tank Car Service	added 4/1958; eliminated 10/1958
CHAX	Chartrand's Tank Car Service, Inc.	added 10/1958; 4/1961-7/2000; eliminated 1/2004; 7/2005 (unlisted)
CHBX	The California Conserving Co., Inc.	7/1935-1/1946
CHCX	Chapman Chemical Co.	added 4/1959; 4/1961; eliminated 10/1964
CHCX	Cedar Heights Clay Co.	added 4/1969; 4/1970-1/1980; eliminated 4/1981
CHDX	Church & Dwight Co., Inc.	added 10/1960; 4/1961-7/1965; eliminated 7/1966
CHEX	Chemplex Co.	added 10/1967; 4/1970-1/1980; eliminated 4/1985
CHEX	Northern Petrochemical Co.	added 4/1985; eliminated 7/1985
CHEX	NORCHEM	added 7/1985; eliminated 1/1986
CHEX	NORCHEM, Inc.	added 1/1986; eliminated 10/1986
CHEX	Enron Chemical Co.	added 10/1986; eliminated 4/1987
CHEX	USI Chemicals Co., Inc.	added 4/1987
CHEX	U.S. Industrial Chemicals Co., Division of National Distillers and Chemical Corp.	eliminated 7/1987
CHEX	USI Chemicals Co., Division of National Distillers & Chemical Corp.	added 7/1987; eliminated 7/1988
CHEX	Quantum Chemical Corporation, USI Division	added 7/1988; 1/1994; eliminated 4/1998
CHEX	Equistar Chemicals, LP	added 4/1998; 7/2000-7/2005
CH&G	Chicago, Harvard & Geneva Lake Ry. Co.	7/1923-7/1930
CHH	Cheswick & Harmar	1/1975-1/1980
CHIX	Chicago Tank Car Co.	7/1930-7/1935
CHIX	Consolidated Holdings Co., Inc.	added 4/1975; 1/1980; eliminated 1/1983
CHLX	Cutler-Hammer Inc.	added 7/1958; 4/1961-4/1970; eliminated 7/1972
CHLX	Chemleco, Inc.	added 7/1981; 1/1994-7/2000; eliminated 4/2001; 7/2005 (unlisted)
CHMX	C.H. Masland & Sons	added 10/1978; 1/1980; eliminated 1/1986
CHMX	Charter Meridian Corp.	1/1994 (unlisted)
CHMX	Southern Illinois Railcar Co.	added 4/1995; 7/2000; eliminated 4/2001
CHMX	First Union Rail	added 4/2001; 7/2005
CHNY	Cheney R.R. Co., Inc.	1/1994
CHP	Ferrocarril del Chihuahua Al Pacifico, S.A.	1/1975; eliminated 4/1978
CHP	Ferrocarril del Chihuahua Al Pacifico, S.A. de C.V.	added 4/1978; 1/1980
CHP	Ferrocarril del Chihuahua Al Pacifico, S.A. de C.V. (transferred to Ferrocarriles Nacionales de Mexico)	eliminated 10/1988
CHP	Ferrocarriles Nacionales de Mexico	added 10/1988; 1/1994-7/2000; eliminated 1/2002; 7/2005
CHPX	Champion Coated Paper Co.	7/1930-7/1935
CHPX	The Champion Paper and Fibre Co.	7/1937-4/1938
CHR	Chestnut Ridge Ry. Co.	1/1975-1/1980; eliminated 4/1981; 1/1994-7/2005
CHRC	Chaparral R.R. Co., Inc.	added 7/1990; 1/1994; eliminated 7/1994; 7/2000-7/2005
CHRR	Chesapeake R.R. Co.	7/2000-7/2005
CHRX	Canadian Hidrogas Resources Ltd.	added 7/1969; 4/1970-1/1980; eliminated 1/1983
CHRX	The Chesapeake Division	1/1994-7/2005 (unlisted)
CHS	Charlotte Southern R.R. Co.	added 1/2004; eliminated 4/2004; 7/2005
CHSR	Chillicothe Southern R.R. Co.	added 4/1986; eliminated 10/1987
CHSX	Thomas Chestnut	7/1923
CHSX	Cenex Harvest States Cooperative	added 4/1999; 7/2000-7/2005; eliminated 4/2007
CHSX	CHS Inc.	added 4/2007
CHTS	Penn Eastern Rail Lines Inc.	added 4/1998; 7/2000-7/2005; eliminated 10/2007
CHTS	East Penn Railroad LLC	added 10/2007; eliminated 10/2010; eliminated 10/2014
CHTT	Chicago Heights Terminal Transfer R.R. Co.	1/1975-1/1980
CHTT	Missouri Pacific System	added 4/1981; 1/1994; eliminated 4/1997
CHTT	Union Pacific Ry. Co.	added 4/1997; 7/2000-7/2005
CHTX	Charlotte Refining Co.	1/1952
CHTX	Conshohocken Rail LLC	eliminated 4/2008
CHV	Chattahoochee Valley Ry. Co.	7/1923-10/1966 & 1/1975-1/1980; eliminated 10/1991
CHVX	Chevron U.S.A. Inc.	added 4/1980; 1/1994; eliminated 4/1996
CHVX	Chevron Chemical Co.	added 4/1996; 7/2000; eliminated 7/2003
CHVX	Chevron Phillips Chemical Co. LP	added 7/2003; 7/2005; eliminated 4/2017
CHW	Chesapeake Western Ry.	1/1975; added 1/1980; 1/1980; eliminated 1/1991
CHW	Norfolk Southern Ry. Co.	added 1/1991; 1/1994-7/2005
CHX	Cutler-Hammer Inc.	1/1950-7/1954; eliminated 4/1956
CI	Cambria and Indiana R.R. Co.	1/1975-1/1994; eliminated 10/1999; 7/2000-7/2005
CIAX	Quebec Iron Ore Inc.	not listed
CIBX	The CIT Group/Capital Finance, Inc.	added 7/2008; eliminated 10/2018
CIBX	The CIT Group/Equipment Financing Inc.	added 10/2018
C&IC	Cedar Rapids and Iowa City Ry.	7/1923-7/1936
CIC	Cedar Rapids and Iowa City Ry. Co.	4/1938-7/2005
CIFX	The City Ice and Fuel Co.	7/1932-4/1938; 1/1941-1/1943 (unlisted)
CIGX	The CIT Group/Capital Finance, Inc.	added 7/2008; eliminated 10/2018
CIGX	The CIT Group/Equipment Financing Inc.	added 10/2018
CIIX	Contico International, Inc.	added 10/1985; 1/1994-7/2000; eliminated 10/2000
CIIX	Contico International, L.L.C.	added 10/2000; eliminated 4/2003; 7/2005 (unlisted)
CI&L	Chicago, Indianapolis & Louisville Ry. (Monon Route)	8/1920-7/1932
CI&L	Chicago, Indianapolis & Louisville Ry.	7/1935-7/1936
CIL	Chicago, Indianapolis & Louisville Ry. Co. (Monon R.R.)	4/1938-10/1966
CIL	Louisville and Nashville R.R. Co. (Chicago, Indianapolis & Louisville)	1/1975-1/1980
CIL	Louisville and Nashville R.R. Co.	eliminated 1/1983
CILX	Canadian Industries Ltd.	7/1930-1/1943; 1/1945 (unlisted); 1/1946-7/1954; eliminated 10/1954
CILX	Canadian Industries (1954) Ltd.	added 10/1954; eliminated 7/1956
CILX	Union Tank Car Co.	added 7/1956; 10/1957; eliminated 1/1958
C&IM	Chicago & Illinois Midland Ry. Co.	8/1920-7/1936
C&IM	Chicago & Illinois Midland Ry.	4/1938-1/1952
CIM	Chicago & Illinois Midland Ry. Co.	1/1941-1/1994; eliminated 7/1996
CIM	Illinois & Midland R.R. Inc.	eliminated 4/1997
CIND	Central Indiana Ry. Co.	1/1975
CIND	Consolidated Rail Corp.	1/1980
CIND	The Central R.R. Co. of Indiana	added 4/1992; 1/1994-7/2005; eliminated 1/2008; added 7/2010
CINR	Chicago & Indiana R.R. Co.	added 10/1979; 1/1980; eliminated 4/1980
CINX	Carbonic Industries Corp.	added 7/1972; 1/1975; eliminated 10/1979; 1/1980
CIPX	College Inn Food Products Co.	7/1932
CIPX	College Inn Food Products Co. (Union Refrigerator Transit Co.)	7/1935
CIPX	Central Illinois Public Service Co.	added 10/1974; 1/1975-1/1980; eliminated 4/1993; 1/1994 (unlisted); added 10/1995; eliminated 1/1999
CIPX	Ameren Energy Generating Co.	7/2000-7/2005 (unlisted)
CIR	City of Rochelle, Illinois	7/2000-7/2005
CIRC	Central Iowa Ry. Co.	added 4/1974
CIRC	Central Iowa Transportation Cooperative d/b/a Central Iowa Ry. Co.	1/1975; eliminated 7/1976; 1/1980
CIRR	Chattahoochee Industrial R.R.	1/1975-7/2005
CIRX	Consbec Inc.	added 4/1997; 7/2000; eliminated 10/2001; 7/2005 (unlisted)
CIRY	Central Illinois R.R. Co.	7/2005
CISD	Colonel's Island R.R. Co.	added 10/1982; 1/1994; eliminated 1/1999; 7/2000
CISX	Carnegie-Illinois Steel Corp.	7/1937-1/1950
CITX	PLM Railcar Management Services Canada Limited	added 1/1987; eliminated 4/1991
CITX	PLM International, Inc.	added 4/1991; 1/1994-7/2005; eliminated 1/2006
CITX	The CIT Group/Capital Finance, Inc.	added 1/2006; eliminated 10/2018
CITX	The CIT Group/Equipment Financing Inc.	added 10/2018
CIVX	Cargill, Inc.	added 1/1962; 7/1965-4/1970; eliminated 7/1970
CIVX	Cargill, Inc., Vegetable Oil Division	10/1966
C&IW	Chicago & Illinois Western R.R.	7/1935-1/1952
CIW	Chicago & Illinois Western R.R.	1/1941-10/1966 & 1/1975-1/1980; eliminated 1/1981
CIW	Chicago & Illinois Western R.R. Co.	added 1/1981; eliminated 7/1983
CIW	Illinois Central Gulf R.R. Co.	added 7/1983; eliminated 4/1988
CIW	Illinois Central R.R. Co.	added 4/1988; 1/1994-7/2005
CIWN	The Cincinnati, Indianapolis & Western R.R. Co.	8/1920-7/1923
CIX	Champion-International Co.	added 4/1956; 10/1957; eliminated 10/1958
CIX	Oxford Paper Co., Inc.	added 10/1958; eliminated 1/1959
CIXX	Calciner Industries, Inc.	1/1994-7/2005 (unlisted)
CJPX	General Electric Rail Services Corp.	added 7/2000; 7/2000-7/2005; eliminated 4/2016
CJPX	Wells Fargo Rail Corp.	added 4/2016
CJRR	C&J R.R. Investment Co., Inc.	added 1/1986; eliminated 4/1988
CJRR	CJ Rail Services, LLC	7/2005 (unlisted)
CKBX	Cruikshank Brothers Co.	7/1935-1/1943
CKIN	Chesapeake and Indiana R.R. Co., Inc.	added 10/2004; 7/2005; eliminated 4/2006
CKIX	Cook Industries, Inc.	added 7/1975; eliminated 4/1978
CKIX	C.K. Industries, Inc.	added 10/2000; 7/2005; eliminated 4/2022
CKIX	RESIDCO	added 4/2022
CKKX	Columbia Conserve Co.	7/1935
CKOX	The Carson Carbon Co.	7/1930-7/1932
CKP	Colorado, Kansas and Pacific Ry. Co.	7/2000-7/2005
CKRW	Central Kansas Ry., Inc.	added 10/1993
CKRX	Chickasaw Refining Co.	8/1920
CKRX	Shippers Car Line Corp.	7/1930
CKRX	Canadian Kodiak Refineries Ltd.	added 7/1960; 4/1961; eliminated 10/1963
CKRY	Central Kansas Ry., Inc.	added 4/1993; 1/1994-7/2000; eliminated 10/2001
CKRY	Kansas & Oklahoma R.R., Inc.	added 10/2001; 7/2005
CK&S	Chicago, Kalamazoo & Saginaw Ry.	4/1938
CKSI	Carthage, Knightstown & Shirley R.R. Inc.	added 1/1989; eliminated 10/1989; 1/1994-7/2005
CKSO	Condon, Kinzua & Southern R.R. Co.	1/1975; eliminated 10/1977
CKSX	Clare K. Sullivan	1/1943 (unlisted)
CKTX	C.K. Industries, Inc.	added 4/2018; eliminated 4/2022
CKTX	RESIDCO	added 4/2022
CKX	Coopers Creek Chemical Co.	7/1923; 7/1935-7/1937
C&L	Cornwall & Lebanon R.R. (Penna. R.R. System)	8/1920-7/1923
C&L	Cornwall & Lebanon R.R. (Penna. R.R.)	7/1930
CLAX	Clayton Oil & Refining Co.	7/1923
CLAX	Guardian Leasing, Inc.	7/2005 (unlisted)
CLBX	Can-Lease Produce Transportation Ltd.	added 1/1972; eliminated 7/1974
CLC	Columbia & Cowlitz Ry. Co.	1/1975-7/2005
CLCO	Claremont and Concord Ry. Co., Inc.	7/1965-10/1966 & 1/1975-1/1980; eliminated 1/1989
CLCX	Commercial Car Line	8/1920-7/1935
CLCX	Commercial Molasses Corp.	7/1937-1/1943
CLCX	General American Transportation Corp.	1/1945-1/1946
CLCX	Cornwell Chemical Corp.	1/1952-7/1954; eliminated 10/1954
CLCX	Collier Carbon and Chemical Corp.	added 10/1966; 10/1966-1/1975; eliminated 7/1978
CLCX	Union Chemicals Division, Union Oil Co. of California	added 7/1978; 1/1980; eliminated 1/1987
CLCX	Unocal Chemicals Division, Union Oil Co. of California	added 1/1987; 1/1994; eliminated 7/1994
CLCX	Unocal Petroleum Products & Chemicals Division, Union Oil Co. of California	added 7/1994
CLCX	Chattahoochie Locomotive Co., Inc.	7/2005 (unlisted)
CLEX	Chemical Enterprises, Inc.	added 1/1984; eliminated 4/1990
CLEX	Cleco Corp.	7/2000-7/2005
CLG	Illinois Central Gulf R.R. Co.	1/1975; eliminated 1/1976; 1/1980
CLGR	Central Louisiana & Gulf Ry.	added 10/1982; eliminated 1/1988
CLGX	The Clarendon Gasoline Co.	8/1920
CLIF	Cliffside R.R. Co.	1/1975-1/1994
CLIX	Choctaw Leasing, Inc.	added 1/1964; 7/1965-10/1966; eliminated 4/1968
CLIX	Calumet Lubricants	7/2000 (unlisted)
CLIX	Calumet Lubricants, Inc.	added 4/2001; 7/2005; eliminated 4/2014
CLIX	SMBC Rail Services LLC	added 4/2014; eliminated 7/2015
CLK	Cadillac & Lake City Ry. Co.	7/1965-10/1966 & 1/1975; eliminated 7/1976; added 7/1978; added 10/1978; 1/1980; eliminated 4/1990; 1/1994
CLMX	California Milling Corp.	added 7/1956; 10/1957-4/1961; eliminated 7/1961
CLMX	Cyprus Sierrita Corp.	7/2000-7/2005 (unlisted)
CLNA	Carolina Coastal Ry. Inc.	added 7/1989; 1/1994-7/2000; eliminated 10/2004; 7/2005
CLNX	C.F. Claussen & Sons, Inc.	7/1935-1/1950
CLOX	Canada Linseed Oil Mills, Ltd.	7/1935-7/1954; eliminated 10/1955; added 1/1957; 10/1957-4/1961; eliminated 7/1965
CLOX	Clark Refining & Marketing, Inc.	7/2000-7/2005 (unlisted)
CLP	The Clarendon and Pittsford R.R. Co.	1/1975; added 1/1977; 1/1980-7/2005; eliminated 10/2016
CLPX	Boulder Scientific Co.	1/1994-7/2005 (unlisted)
CLRX	Clarendon Refining Co. (White Oil Corp.)	8/1920-7/1923
CLRX	Chas. L. Read & Co., Inc.	1/1941-10/1966; eliminated 4/1969
CLRX	Chas. L. Read & Co., Division of Hogan Solvents & Chemicals Corp.	added 4/1969; eliminated 10/1969
CLRX	Hogan Solvents & Chemicals Corp.	added 10/1969; 4/1970; eliminated 7/1970
CLRX	Clayton Rail	added 1/1993; 1/1994-7/2000; eliminated 10/2004; 7/2005 (unlisted)
CLSL	Columbia & Silver Creek R.R. Co.	added 7/1982; eliminated 4/1989; added 1/1990; eliminated 10/1991; 1/1994-7/2005
CLSX	Columbia Sugar Co.	8/1920-7/1932
CLSX	Columbia Sugar Co. (Monitor Sugar Co.)	7/1935
CLSX	Monitor Sugar Co.	7/1937
CLSX	Monitor Sugar Division of Robert Gage Coal Co.	4/1938
CLSX	Cargill Inc. — Salt Division	added 1/1991; 1/1994-7/2005
CLTX	Coltexo Corp.	7/1935-4/1961; eliminated 1/1962
CLTX	Cominco Ltd.	added 4/1967; eliminated 7/1968
CLTX	Union Tank Car Co.	added 7/1968; 4/1970; eliminated 4/1970
CLTX	Cloro de Tehuantepec, S.A. de C.V.	added 1/1988; eliminated 4/1989; 1/1994-7/2005 (unlisted)
CLUX	Chillicothe Lumber Co.	added 10/1974; 1/1975; eliminated 10/1977
CLX	Crew Levick Co.	8/1920-7/1935
CLX	Cities Service Oil Co.	7/1937-4/1938
CLX	Crossett Lumber Co.	1/1945 (unlisted); 1/1946-1/1952; eliminated 10/1953
C&M	Cumberland & Manchester R.R. Co. (Louisville & Nashville R.R. Co.)	7/1930-7/1936
CM	The Colorado Midland R.R. Co. (Midland Terminal Ry. Co.)	8/1920-7/1923
CM	Central Montana Rail, Inc.	added 7/1985; 1/1994-7/2005; eliminated 10/2013
CMB	The Cumberland R.R. Co.	7/1923
CMC	CMC R.R., Inc.	7/2000-7/2005
CMCX	Climax Molybdenum Co.	4/1938-1/1943 (unlisted)
CMCX	J.J. Clifford	1/1950
CMCX	Chem-Met Corp.	added 4/1960; 4/1961; eliminated 7/1964
CMCX	Sweetman Construction Co.	added 7/1991; 1/1994-7/2005
CMDX	Cargill, Inc.	added 10/1993; 1/1994-7/2005
CMER	Curtis, Milburn and Eastern R.R. Co.	added 1/1976; 1/1980; eliminated 10/1990
CMEX	Cemex, Inc.	added 7/2005; 7/2005; eliminated 10/2011
CM&G	Chicago, Milwaukee and Gary Ry. Co.	8/1920-7/1923
CM&G	Chicago, Milwaukee and Gary Ry. Co. (Chicago, Milwaukee, St. Paul & Pacific R.R. Co.)	7/1930
CMGN	Central Michigan Ry. Co.	added 1/1988; 1/1994-7/2000; eliminated 4/2004; 7/2005
CMGX	Cities Service Co.	added 1/1971; 1/1975; eliminated 4/1979
CMGX	Cities Service Co., Minerals Group	added 4/1979; 1/1980; eliminated 7/1983
CMHX	CarMath, Inc.	added 1/1997; 7/2000-7/2005
CMIX	Consolidated Minerals, Inc.	added 1/1990; 1/1994; eliminated 1/1996; 7/2000-7/2005 (unlisted)
CMIX	Central Power & Lime, Inc.	added 10/2006; eliminated 4/2013
CMKX	Countrymark Cooperative, Inc.	added 1/1993; 1/1994; eliminated 4/1995
CMLX	The Continental Roofing & Manufacturing Co.	7/1930
CMLX	The Ruberoid Co.	7/1935-1/1945
CMLX	Craggy Mountain Line, Inc.	7/2005 (unlisted)
CMNW	Chicago, Missouri and Western Ry. Co.	added 7/1987; eliminated 4/1990
CMNW	Gateway Western Ry.	added 4/1990; eliminated 7/1992; 1/1994
CMO	Chicago, St. Paul, Minneapolis & Omaha Ry. Co.	4/1938-10/1957
CMO	Chicago, St. Paul, Minneapolis & Omaha Ry. Co. (Chicago and North Western Ry. Co.)	4/1961-10/1966
CMO	Chicago and North Western Transportation Co.	1/1975-1/1994; eliminated 1/1995
CMO	Chicago and North Western Ry. Co.	added 1/1995; eliminated 10/1995
CMO	Union Pacific R.R. Co.	added 10/1995; 7/2000-7/2005
CMPA	Madison R.R., Division of City of Madison Port Authority	added 1/1979; 1/1980; eliminated 7/1990; 1/1994-7/2005
CMPX	Chemical Products Corp.	7/1935-10/1957; eliminated 4/1961
CMPX	Compass Capital Corp.	added 7/2005; 7/2005; eliminated 10/2014
CMPX	First Union Rail	added 10/2014; eliminated 4/2016
CMPX	Wells Fargo Rail Corp.	added 4/2016
CMR	Central Midland Ry. Co.	7/2005 (unlisted); added 10/2007; eliminated 1/2014
CMRX	Cudahy's Milwaukee Refrigerator Line	8/1920
CMRX	Chicago Macaroni Co.	7/1935
CMRX	Cimarron Gas Liquids Co.	added 10/1988; eliminated 10/1993
CMRX	Cimarron Gas Companies Inc.	added 10/1993; 1/1994; eliminated 1/1996
CMRX	The Chemours Co., LLC	added 4/2016; eliminated 7/2020
CMSL	Cape May Seashore Lines	7/2005
CMSN	Crowley Marine Services	7/2000-7/2005
CMSX	The Consolidated Mining and Smelting Company of Canada, Ltd.	7/1935-7/1965; eliminated 10/1966
CMSX	Cominco Ltd.	added 10/1966; 10/1966; eliminated 7/1968
CMSX	Union Tank Car Co.	added 7/1968; 4/1970; eliminated 4/1970
CMTX	John E. Shatford, Agent	7/1935-4/1947
CMTX	N.I.K. Non-Stock Marketing Cooperative	added 1/1991; eliminated 1/1993; 1/1994 (unlisted)
CMTX	Compass Capital Corp.	added 4/2006; eliminated 10/2014
CMTX	First Union Rail	added 10/2014; eliminated 4/2016
CMTX	Wells Fargo Rail Corp.	added 4/2016
CMWX	Commodities Car Co., Inc.	1/1941-1/1975; eliminated 1/1976; 1/1980
CMX	Carnation Co.	7/1935
CMX	Chromium Mining and Smelting Corp. Ltd.	1/1952-10/1966; eliminated 1/1968
CN	Canadian Northern Ry. (Canadian National Rys.)	8/1920-7/1923
CN	Canadian National Rys.	7/1930-7/2005
CNA	Canadian National Rys.	1/1975-7/2005
CNCX	Central Commercial Co.	8/1920-7/1923
CNCX	Columbia Nitrogen Corp.	added 1/1963; 7/1965-1/1980; eliminated 7/1990
CNCX	Arcadian Corp.	added 7/1990; 1/1994; eliminated 7/2006
CNDX	Connecticut Dept. of Transportation	7/2000 (unlisted)
CNE	Central New England Ry. Co.	8/1920-7/1923
CNE	Central New England Ry. Co. (New York, New Haven & Hartford R.R. Co.)	7/1930-7/1932
CNFX	The CIT Group	added 1/2005
CNFX	The CIT Group/Capital Finance Inc.	7/2005; eliminated 10/2018
CNFX	The CIT Group/Equipment Financing Inc.	added 10/2018
CNGX	CONAG Finance, Inc. —Consolidated Natural Gas Transmission Corp.	added 1/1985
CNGX	CONAG Finance, Inc. —Consolidated Gas Transmission Corp.	eliminated 4/1988
CNGX	CONAG Finance, Inc.—CNG Transmission Corp.	added 4/1988; 1/1994-7/2000; eliminated 10/2000
CNGX	CONAG Finance, Inc.—Dominion Transmission Inc.	added 10/2000; eliminated 4/2004
CNHX	Ontario Hydro	1/1980; added 5/1983; 1/1994-7/2000; eliminated 4/2001
CNHX	Ontario Power Generation Inc.	added 4/2001; eliminated 10/2002; 7/2005 (unlisted)
CNIS	Canadian National Rys.	1/1975-7/2005
CNJ	Central R.R. Co. of New Jersey	8/1920-10/1966 & 1/1975
CNJ	Central R.R. Co. of New Jersey, Robert D. Timpany, Trustee	eliminated 4/1976
CNJ	Consolidated Rail Corp.	added 4/1976; 1/1980-1/1994; eliminated 7/1999
CNL	Columbia, Newberry and Laurens R.R. Co.	1/1975-1/1980; eliminated 1/1983
CNLX	Canat Ltd.	added 1/1989; eliminated 1/1992
CNLX	Canadian National Ry. Co.	added 1/1992; eliminated 1/1993
CNLX	CANAC International, Inc.	added 1/1993; 1/1994-7/2000; eliminated 4/2002
CNLX	CN Treasury Operations Ltd.	added 4/2002; 7/2005; eliminated 1/2012
CNLX	CNLX Canada Inc.	added 1/2012
CNMX	Cot-O-Nut Oil & Mfg. Co.	7/1935-7/1937
CNO	Canadian Northern Ontario Ry. (Canadian National Rys.)	8/1920-7/1923
CNOR	Cincinnati Northern	1/1975-7/2005
CNOW	Columbia & Northern Ry. Co.	7/2000-7/2005
CNOX	Canadian Oil Cos. Ltd.	7/1935-4/1961; eliminated 10/1963
CNOX	Shell Canada Ltd.	added 10/1963; 7/1965-1/1980; eliminated 10/1987
CNPX	Canadian International Paper Co.	7/1937-1/1941
CNQ	Canadian Northern Quebec Ry. (Canadian National Rys.)	8/1920-7/1923
CNQ	Canadian National Rys.	1/1994-7/2005
CNRR	California Northern R.R.	7/2000-7/2005
CNRX	Conroe Creosoting Co.	1/1950-1/1952; eliminated 4/1953
CNRX	Canadian Northern Railway, LLC	7/2005 (unlisted)
CNSX	Columbia Naval Stores Co.	8/1920
CNSX	Columbia Naval Stores Co. (Columbia Naval Stores Co. of Delaware)	7/1923-7/1932
CNSX	Columbia Naval Stores Co. (General American Tank Car Corp.)	7/1935
CNSX	Consolidated Oil & Transportation Co., Inc.	added 1/1999; 7/2000; eliminated 4/2003; 7/2005 (unlisted)
CNTP	The Cincinnati, New Orleans and Texas Pacific Ry. Co.	1/1975-7/2005
CNTX	Central Tube Co.	7/1923
CNTX	Continental Tank Car Corp.	7/1965-7/2005; eliminated 1/2006; added 4/2006; eliminated 4/2018
CNUR	C & NC R.R. Corp.	added 7/1998; 7/2000-7/2005
CNVX	Convoyeur National Inc.	7/2000-7/2005 (unlisted)
CNW	Chicago and North Western Ry. Co.	4/1938-10/1966
CNW	Chicago and North Western Transportation Co.	1/1975-1/1994; eliminated 1/1995
CNW	Chicago and North Western Ry. Co.	added 1/1995; eliminated 10/1995
CNW	Union Pacific R.R. Co.	7/2000-7/2005
CNWS	Chicago and North Western Transportation Co.	1/1980
CNWS	Carolina & Northwestern R.R., Inc.	added 10/1990; 1/1994; eliminated 1/1995
CNWX	The Canadian Wheat Board	added 1/1973; 1/1975-7/2005; eliminated 1/2017
CNWX	G3 Canada Ltd.	added 1/2017
CNYK	Central New York R.R. Corp.	added 4/1974; 1/1975
CNYK	The New York, Susquehanna and Western Ry. Corp.	eliminated 4/1996
CNYK	Central New York R.R. Corp.	7/2005
CNYS	Central New York Southern R.R. Corp.	7/1923
CNYX	Central New York R.R. Corp.	1/1980; eliminated 10/1988
CNYX	Central New York R.R. Corp. (transferred to New York, Susquehanna and Western Ry. Corp.)	added 10/1988
CNYX	Central New York R.R. Corp.	1/1994
CNYX	Central New York Locomotive Co.	7/2005 (unlisted)
CNZR	Central New England R.R. Co., Inc.	7/2000-7/2005; added 7/2008
C&O	C. & O. Lines (C. & O. Ry.)	7/1923
C&O	Chesapeake & Ohio Ry. Co.	7/1930-7/1936
C&O	Chesapeake & Ohio Ry.	4/1938-10/1966
CO	Chesapeake & Ohio Ry. Co.	1/1975-1/1980; eliminated 10/1987
CO	CSX Transportation, Inc.	added 10/1987; 1/1994-7/2005
COA	Central Ry. Co. of Arkansas	8/1920-7/1930
COAX	Transcisco Leasing Co.	added 7/1994; eliminated 7/1997
COAX	Trinity Rail Management, Inc.	added 7/1997; 7/2000-7/2005; eliminated 1/2014
COAX	Trinity Industries Leasing Co.	added 1/2014
COBX	Imperial Oil, Ltd.	7/1935-1/1950
COBX	Transit Co., Ltd.	1/1952; eliminated 10/1953
COBX	Union Tank Car Co.	added 10/1953; 7/1954-10/1957; eliminated 4/1959
COBX	Cobre Mining Co., Inc.	eliminated 1/1997
COBX	Cobre Mining Co.	added 1/1997; eliminated 7/1999; 7/2000 (unlisted)
COCX	Carbo Oil Co. (Rock Island Petroleum Co.)	8/1920
COCX	California Cotton Oil Co.	7/1935-4/1961
COCX	California Cotton Oil Corp.	eliminated 7/1965
COCX	Continental Chemical Co.	added 4/1973; 1/1975-1/1980; eliminated 4/1980
COCX	Chevron Oronite Co., L.L.C.	added 1/2001; 7/2005-7/2020
COE	Colorado & Eastern Ry. Co.	added 7/1982; eliminated 5/1983
COE	Colorado & Eastern Rd. Co.	added 5/1983; eliminated 1/1988
COEH	Conecuh Valley R.R.	added 7/2003; eliminated 10/2003; 7/2005-7/2020
COER	American Rail Heritage, Ltd. d/b/a Crab Orchard & Egyptian R.R.	added 1/1978; added 4/1979
COER	Crab Orchard & Egyptian R.R.	1/1980
COER	American Rail Heritage, Ltd. d/b/a Crab Orchard & Egyptian R.R.	1/1994; eliminated 1/1999
COER	Crab Orchard & Egyptian R.R.	added 1/1999; 7/2000; eliminated 4/2004; 7/2005; added 7/2010
COER	Crab Orchard & Egyptian Ry.	7/2020
COGX	Rail Connection, Inc.	added 4/2007; eliminated 7/2015
COGX	Rail Connection LLC	added 7/2015; 7/2020
COHX	Chesapeake & Ohio Historical Society, Inc.	7/2020 (unlisted)
COLI	Colonel's Island	1/1975-1/1980
COLX	Collins Construction Co.	1/1950-1/1952; eliminated 7/1953
COLX	North American Car Corp.	added 1/1966; 10/1966-1/1980; eliminated 7/1982
COLX	Wisconsin Power & Light Co.	1/1994 (unlisted)
COLX	Alliant Energy	added 4/2000; 7/2000-7/2020
COMX	Commerce Transportation System	8/1920
COMX	Commerce Transportation System (North American Car Co.)	7/1923
COMX	Commonwealth Edison Co.	added 4/1995; 7/2000-7/2005; eliminated 10/2006
COMX	Exelon Generation Co., LLC	added 10/2006; eliminated 7/2011
CONX	Continental Oil Co.	7/1930-1/1975; eliminated 1/1980
CONX	Conoco Inc.	added 1/1980; 1/1980-7/2000; eliminated 10/2003
CONX	ConocoPhillips Co.	added 10/2003; 7/2005; eliminated 4/2013
CONX	Phillips 66 Co.	added 4/2013; 7/2020
COOK	Cook Transit	1/1994-7/2005
COOX	Cooperative Producers, Inc.	added 7/1980; eliminated 4/1989
COOX	Chrysler Rail Transportation Corp.	eliminated 1/1993
COOX	U.S. Rail Services, Inc.	added 1/1993; 1/1994; eliminated 4/1994
COOX	USL Capital Rail Services	added 4/1994; eliminated 10/1996
COOX	First Union Rail	added 10/1996; 7/2000-7/2005; eliminated 4/2011
COOX	Greenbrier Management Services LLC	added 4/2011; 7/2020
CO&P	Chicago, Ottawa & Peoria Ry. (Illinois Traction, Inc.—Illinois Valley Division)	7/1923
COP	City of Prineville Ry.	1/1975; added 10/1977; 1/1980-7/2005; eliminated 7/2012; 7/2020
COPR	Copper Range R.R. Co.	1/1950-10/1966
COPX	Choate Oil Corp.	8/1920
COPX	Consolidated Products Co.	1/1950-10/1957; eliminated 1/1958
COPX	Consolidated Products, Division of National Dairy Products Corp.	added 1/1958; eliminated 7/1958
COPX	Canadianoxy Industrial Chemicals Ltd. Partnership	1/1994 (unlisted); added 1/1997; 7/2000; eliminated 4/2002
COPX	Nexen Chemical Canada Limited Partnership	added 4/2002; 7/2005; eliminated 1/2010
COPX	Canexus Chemicals Canada Limited Partnership	added 1/2010; eliminated 7/2016
COPX	Canexus Corp.	added 7/2016; eliminated 7/2018; 7/2020 (unlisted)
COQX	Chalmette Oil & Refining Co., Inc. (Chalmette Petroleum Corp.)	7/1923
COQX	Chalmette Petroleum Corp.	7/1930-7/1937
CORP	Central Oregon & Pacific R.R., Inc.	added 4/1995; 7/2000-7/2005; eliminated 7/2009; added 7/2010; 7/2020
CORX	Caddo Central Oil & Refining Corp.	8/1920-7/1923
CORX	Burford Oil Co. (Crystal Oil Refining Corp.)	7/1930
CORX	Crystal Oil Refining Corp.	7/1932
CORX	Adolph Coors Co.	added 1/1987; eliminated 7/1989
CORX	Coors Brewing Co.	added 7/1989; 1/1994-7/2005; eliminated 7/2009; 7/2020 (unlisted)
CORY	Columbia & Reading Ry. Co.	7/2020
COSX	Cosden & Co.	8/1920-7/1932
COSX	Cosden & Co. Mid-Continent Petroleum Corp.	7/1935
COSX	Mid-Continent Petroleum Corp.	7/1937-7/1954
COSX	D-X Sunray Oil Co.	10/1957; eliminated 10/1959
COSX	Cabot Corp., CAB-O-SIL Division	added 7/1985; 1/1994-7/2000; eliminated 10/2000; 7/2005-7/2020 (unlisted)
COT	Central Ontario Ry. (Canadian National Rys.)	8/1920-7/1923
COTX	The Cudahy Oil Tank Line	7/1923-7/1930
COTX	The Cudahy Oil Tank Line (Cudahy Car Lines)	7/1932-7/1937
COTX	Cudahy Car Lines	4/1938-1/1943
COTX	Cudahy Packing Co.	1/1945-4/1947
COTX	Consolidated Transportation Corp.	added 1/1981; eliminated 1/1989
COTX	Jansen Rail Car, Inc.	added 4/1989; 1/1994; eliminated 1/1996
COTX	GLNX Corp.	added 1/1996; eliminated 7/1998; 7/2000-7/2005 (unlisted); eliminated 10/2015
COVX	Covanta Sustainable Solutions LLC	7/2020 (unlisted)
COWX	Crystal Oil Works	8/1920-7/1930
COX	Craig Oil Co.	8/1920-7/1930
CP	Canadian Pacific Ry.	8/1920-10/1966
CP	CP Rail	1/1975-1/1994
CP	CP Rail System	eliminated 1/1997
CP	Canadian Pacific Ry. Co.	added 1/1997; 7/2000-7/2020
C&PA	Cumberland & Pennsylvania R.R. Co.	8/1920-7/1936
CPA	Cumberland & Pennsylvania R.R.	4/1938-7/1954
CPA	Coudersport & Port Allegany	1/1975-1/1980
CPAA	CP Rail	1/1975-1/1994
CPAA	CP Rail System	eliminated 1/1997
CPAA	Canadian Pacific Ry. Co.	added 1/1997; 7/2000-7/2020
CPAX	Compania Mexicana de Petroleo "El Aguila", S.A.	7/1937-4/1938
CPAX	CITGO Petroleum Corp.	added 7/1993; 1/1994-7/2005; eliminated 4/2008
CPAX	Arrendadora Nacional De Carros De Ferrocarril, S.A. de C.V.	7/2020
CPBX	Cattle Car Leasing Co.	added 4/1968
CPC	Chicago Port Railroad Co.	7/2020
CPCX	Cosden Petroleum Corp.	7/1937-4/1961; eliminated 10/1964
CPCX	Chemical Products Corp.	added 1/1969; 4/1970-1/1975; eliminated 4/1977
CPCX	CPL Corp., Chemical Products Division	added 4/1977; 1/1980; eliminated 10/1980
CPCX	Whittaker Corp., Providence Coatings & Chemicals Division	added 10/1980; eliminated 1/1981
CPCX	CPS Chemical Co., Inc.	1/1994-7/2000 (unlisted)
CPCX	Chevron Phillips Chemical Co. L.P.	added 1/2001; 7/2005; eliminated 4/2017; 7/2020 (unlisted)
CPDR	Carolina Piedmont Division, South Carolina Central R.R. Co., Inc.	added 1/1991; eliminated 10/1991; 1/1994; added 10/1994; 7/2000; eliminated 4/2004; 7/2005; added 7/2010; eliminated 1/2014; 7/2020
CPDX	National Car Co.	1/1945-4/1947
CPDX	Fruit Growers Express Co.	1/1950-7/1954
CPDX	National Car Co.	eliminated 7/1955
CPDX	Chevron U.S.A. Inc.	added 10/1995; 7/2000-7/2020
CPEX	California Petroleum Exchange	8/1920-7/1923
CPF	Cotton Plant-Fargo Ry. Co.	1/1975; eliminated 7/1977
CPFX	Champion Paper and Fibre Co.	7/1937-4/1961; eliminated 1/1962
CPFX	Champion Papers, Inc.	added 1/1962; eliminated 7/1964
CPHX	Ontario Hydro	1/1980; added 5/1983; 1/1994-7/2000; eliminated 4/2001
CPHX	Ontario Power Generation Inc.	added 4/2001; eliminated 10/2002; 7/2005 (unlisted)
CPI	CP Rail	1/1975-1/1994
CPI	CP Rail System	eliminated 1/1997
CPI	Canadian Pacific Ry. Co.	added 1/1997; 7/2000-7/2020
CPIX	Cominco Products Inc.	added 4/1956; 10/1957-7/1965; eliminated 4/1966
CPIX	Continental Polymers Inc.	added 7/1981; eliminated 1/1993
CPIX	ICI Acrylics Inc.	added 1/1993; 1/1994; eliminated 10/1997; 7/2000-7/2020 (unlisted)
CPKX	Central City Pickle Co.	1/1950-1/1952
CPLJ	Camp Lejeune R.R. Co.	1/1975-1/1980
CPLT	Camino, Placerville & Lake Tahoe R.R. Co.	1/1975; added 10/1977; 1/1980; eliminated 1/1987; eliminated 4/1988
CPLX	Currie Products Ltd.	7/1935-10/1966; eliminated 10/1968
CPLX	CanPac Leasing Ltd.	added 4/1973; 1/1975; eliminated 7/1978
CPLX	Roylease Ltd.	added 7/1978; 1/1980; eliminated 10/1981
CPLX	CPLX Leasing Ltd.	added 10/1991; 1/1994-7/2005; 7/2020 (unlisted)
CPMY	Coopersville and Marine Ry. Co.	7/2020
CPOX	City Point Oil Terminal, Inc.	7/1932-7/1937
CPOX	Pennsylvania-Conley Tank Line a Division of General American Transportation Corp.	4/1938
CPOX	Consumer's Power Co.	added 7/1979; 1/1980; eliminated 7/1993
CPOX	Consumers Power Co.	added 7/1993; 1/1994; eliminated 1/1996; added 10/1996; eliminated 7/1997; 7/2000-7/2005 (unlisted)
CPOX	Consumers Energy Co.	added 1/2007; 7/2020
CPPX	Crichton Pine Products Co.	8/1920-7/1923
CPPX	Crystal Pearl Products Co.	7/1937-4/1947
CPPX	Consolidated Papers, Inc.	added 1/1975; 1/1975-1/1980; eliminated 1/1994; 1/1994 (unlisted); 7/2000-7/2020 (unlisted)
CPR	CaterParrott Railnet, LLC	7/2020
CPRS	Canadian Pacific Ry.	7/2000-7/2020
CPRX	Contact Process Co.	8/1920-7/1923
CPRX	Carolina Power & Light Co.	added 7/1977; 1/1980-1/1994; eliminated 7/1998; 7/2000-7/2020 (unlisted)
CPSX	California Cedar Products Co.	1/1952-10/1957; eliminated 7/1959
CPSX	Commercial Plastics Systems, Inc.	added 7/1983; eliminated 10/1984
CPT	CP Rail	added 7/1988; 1/1994
CPT	CP Rail System	eliminated 1/1997
CPT	Canadian Pacific Ry. Co.	added 1/1997; 7/2000-7/2020
CPTC	Chicago Produce Terminal	1/1975; eliminated 10/1978
CPVX	Cook Paint & Varnish Co.	7/1930-1/1975; eliminated 1/1978
CPWX	The Canadian Wheat Board	added 1/1973; 1/1975-7/2005; eliminated 1/2017
CPWX	G3 Canada Ltd.	added 1/2017; 7/2020
CPX	Cleveland Provision Car Co.	8/1920-7/1923
CPX	Cleveland Provision Co.	7/1930
CPX	Central City Pickle Co.	1/1945-4/1947
CPX	Central Packing Co., Inc.	1/1950-10/1957; eliminated 4/1961
CQPA	Central Columbiana & Pennsylvania Ry., Inc.	7/2000; added 4/2002; eliminated 10/2004; 7/2005; eliminated 4/2007; 7/2020
CR	Copper Range R.R. Co.	8/1920-10/1966
CR	Consolidated Rail Corp.	added 4/1976; 1/1980-1/1994; eliminated 7/1999
CR	Norfolk Southern R.R. Co. (Norfolk Southern)	added 7/1999; 7/2000-7/2020
CRAX	Crystal Hopper Associates	added 7/1983; eliminated 7/1986
CRBX	Continental Refining Corp.	8/1920
CRBX	OmniSource Corp.	added 7/2006; eliminated 10/2015; 7/2020 (unlisted)
CR&C	Carlton & Coast R.R.	4/1938
CRC	Cumberland Ry. Co., Sydney and Louisburg Division	10/1966
CRCX	Continental Refining Co.	8/1920-1/1945
CRCX	Calumet Refining Co., a Division of Calumet Industries, Inc.	added 10/1965; 10/1966
CRCX	Calumet Refining Co.	4/1970-1/1975
CRCX	Calumet Refining Co., a Division of Calumet Industries, Inc.	1/1980; eliminated 10/1980
CRCX	Consolidated Rail Corp.	7/2000-7/2020 (unlisted)
CRDX	Central West Refrigerator Despatch	7/1935-10/1957; eliminated 7/1959
CRDX	Chicago Freight Car Leasing Co.	added 7/1959; 4/1961-7/2020
CRE	Consolidated Rail Corp. (Eastern Division)	1/1980-7/2005
CREX	The Cincinnati Refrigerator Express, Inc.	8/1920-7/1923
CREX	Consolidated Railway Equipment Co.	added 1/1956; 10/1957-4/1961; eliminated 10/1962
CREX	Merchants Investment Co.	added 10/1962; 7/1965-1/1980; eliminated 1/1989
CREX	Railmark	added 1/1989
CREX	Citicorp Railmark, Inc.	1/1994-7/2005; eliminated 4/2012; 7/2020 (unlisted)
CRFX	Central Minnesota Rail LLC	7/2020 (unlisted)
CRGX	Cushing Refining & Gasoline Co.	7/1923-1/1943
CRGX	Midland Cooperative Wholesale, Cushing Refining Division	1/1945-1/1952; eliminated 4/1954
CRGX	Midland Cooperatives, Inc., Cushing Refining Division	added 4/1954; 7/1954-10/1957-10/1966
CRGX	Midland Cooperatives, Inc.	eliminated 1/1969
CRGX	Cargill, Inc.	1/1994-7/2020
CRHX	Clapp Riley & Hall Equipment Co.	7/1930-7/1932; 7/1937-4/1961 (unlisted)
CRI	Chicago River & Indiana R.R. Co.	8/1920 & 7/1930-7/1936
CRI	Chicago River & Indiana R.R.	4/1938-7/1965 & 1/1975; eliminated 4/1976
CRI	Consolidated Rail Corp.	added 4/1976; 1/1980; eliminated 1/1983; 1/1994
CRIJ	Carolina Rail Services, Co.	added 4/1987; eliminated 1/1990; 1/1994-7/2005
CRIX	Cherry River Extract Co. (Armour Car Lines)	7/1923
CRIX	North Western Refrigerator Line Co., a Division North American Car Corp.	added 4/1958; eliminated 10/1958
CRIX	North Western Refrigerator Line Division North American Car Corp.	added 10/1958; eliminated 1/1961
CRIX	North American Car Corp.	added 1/1961; 4/1961-1/1980; eliminated 1/1984
CRIX	General Electric Railcar Services Corp.	added 1/1984; eliminated 7/1986
CRIX	Citicorp Railmark, Inc.	added 7/1990; 1/1994-7/2005; eliminated 4/2012; 7/2020 (unlisted); eliminated 7/2022
CRIX	Greenbrier Management Services, LLC	added 7/2022
CRI	Chicago River & Indiana R.R. Co.	7/1923 & 10/1966
CRL	Cudahy Car Lines (temporary)	7/1935
CRL	Chicago Rail Link	added 7/1989; 1/1994-7/2005; eliminated 4/2006; 7/2020
CRLE	Coe Rail, Inc.	added 7/1985; eliminated 1/1990; added 7/1990; 1/1994-7/2005; eliminated 4/2007
CRLE	Michigan Air-Line Ry. Co.	added 4/2007
CRLE	Utah Central Ry. Co.	added 7/2010; 7/2020
CRLX	The Cudahy Refrigerator Car Line (Cudahy Car Lines) (previously C.R.L.)	added 11/1934; 7/1935
CRLX	Cudahy Car Lines	7/1937-1/1943
CRLX	Cudahy Packing Co.	1/1945-7/1965
CRLX	Cudahy Car Lines	eliminated 10/1965
CRLX	Canadian Railserve Ltd.	7/2000-7/2020 (unlisted)
CRMX	Cristales Mexicanos, S.A.	1/1952-7/1954; eliminated 7/1955
CRMX	The Cropmate Co.	added 1/1984; eliminated 4/1986
CRMX	MHC, Inc., Wholly Owned Subsidiary of ConAgra, Inc.	1/1994; eliminated 1/2000; 7/2000 (unlisted)
CRMX	Colorado Railcar Manufacturing LLC	7/2005 (unlisted)
CRMX	Continental Rail Leasing Corp.	eliminated 4/2015
CRMX	JAIX Leasing Co.	added 4/2015; 7/2020
CR&N	Carolina & Northwestern Ry.	4/1938-10/1966
CRN	Carolina & Northwestern Ry. Co.	1/1975-1/1980
CRN	Southern Ry. System	eliminated 1/1991
CRN	Norfolk Southern Ry. Co. (Norfolk Southern)	added 1/1991; 1/1994-7/2020
CRNX	Consumers Refining Co. (Shaffer Oil & Refining Co.)	8/1920
CRNX	Coosa River Newsprint Co.	1/1952-7/1954; eliminated 4/1955
CRNX	Coffeyville Resources Nitrogen Fertilizers, LLC	added 10/2004; 7/2005-7/2020
CROX	Crude Oil Contracting Co.	1/1943
CROX	Southwestern Sugar & Molasses Co.	1/1945
CROX	Crosby Chemicals, Inc.	added 1/1955; 10/1957-1/1980; eliminated 10/1982
CROX	SCM Corp.	added 10/1982; eliminated 1/1983
CROX	Sylvachem Corp.	added 1/1983; eliminated 7/1983
CROX	Macquarie Rail Inc.	added 4/2008; eliminated 4/2015
CROX	First Union Rail	added 4/2015; eliminated 10/2015
CRP	Central Railroad of Pennsylvania	1/1946-7/1954
CRP	Central Railroad of New Jersey	10/1957-7/1965
CRP	Central Railroad of Pennsylvania	1/1975-1/1980
CRPX	Cairo Pickle Co.	added 4/1960; 4/1961; eliminated 1/1962
CRPX	Centennial Gas Liquids, L.L.C.	added 1/1998; 7/2000-7/2005; eliminated 7/2008
CRPX	Southwest Rail Industries, Inc.	7/2020 (unlisted)
CRR	Clinchfield R.R. Co.	4/1938-10/1966 & 1/1975-1/1980; eliminated 1/1983
CRR	Seaboard System R.R., Inc.	added 1/1983; eliminated 7/1987
CRR	CSX Transportation, Inc.	added 7/1987; 1/1994-7/2020
CRRX	Cedar Rapids Refrigerator Line	8/1920-7/1932
CRRX	Canon City & Royal Gorge R.R. LLC	7/2000-7/2020 (unlisted)
CRSX	Cost Rail Service	7/2000-7/2020 (unlisted)
CRTX	Continental Turpentine & Rosin Corp.	7/1930
CRTX	Continental Turpentine & Rosin Corp., Inc.	7/1932-7/1954; eliminated 7/1957
CRUX	Compass Rail VIII Corp.	7/2020 (unlisted)
CRVC	The Cimarron River Valley Ry. Co.	added 4/1985; eliminated 10/1989
CRW	Colorado River Western Ry.	7/1954-7/1965
CRWX	Capitol Refining Co.	8/1920-7/1923
CRWX	Compass Rail VIII Corp.	7/2020 (unlisted)
CRX	The Columbus Rendering Co.	7/1935-4/1938
CRYX	Champlain Realty Co.	8/1920-7/1930
CRYX	Cryo-Trans, Co.	added 4/1986; eliminated 4/1987
CRYX	Cryo-Trans, Inc.	added 4/1987; 1/1994-7/2020
C&S	Colorado & Southern Ry. Co.	8/1920-7/1936
C&S	Colorado & Southern Ry.	4/1938-10/1966
CS	The Colorado and Southern Ry. Co.	1/1975-1/1980; eliminated 4/1982
CS	Burlington Northern R.R. Co.	added 4/1982; 1/1994
CS	Burlington Northern Santa Fe Ry. Co.	7/2000; eliminated 4/2005
CS	BNSF Ry. Co.	added 4/2005; 7/2005-7/2020
CSAX	Crucible Steel Co. of America	7/1923; 1/1943-7/1954; eliminated 7/1956
CSBX	Cargill, Inc. — Salt Division	added 4/1998; 7/2000-7/2020
CSCD	Cascade and Columbia River R.R. Co.	added 10/1999; 7/2000-7/2005; eliminated 4/2006; added 7/2010; 7/2020
CSCX	The Cincinnati Soap Co.	7/1935
CSCX	The Cincinnati Soap Co. (Hewitt Transportation Co.)	7/1937
CSCX	Hewitt Transportation Co.	4/1938
CSCX	Central Silica Co.	added 10/1970; 1/1975-1/1980; eliminated 4/1982
CSCX	Oglebay Norton Co.	added 4/1982; eliminated 4/1989
CSCX	Coal Supply Corp.	added 10/1990; 1/1994-7/2005
CSDX	Sanitary District of Chicago	7/1932-7/1954; eliminated 7/1956
CSDX	Metropolitan Sanitary District of Greater Chicago	added 7/1956; 10/1957-1/1980; eliminated 10/1989
CSDX	Metropolitan Water Reclamation District of Greater Chicago	added 10/1989; 1/1994; eliminated 10/1994; added 10/1996; eliminated 1/1997; 7/2000-7/2020 (unlisted)
C&SE	Colorado & Southeastern R.R. Co.	7/1923
C&SE	Colorado & South-Eastern R.R. Co.	7/1930-7/1936
C&SE	Colorado & Southeastern R.R.	4/1938-7/1954
CSGX	Transit Co., Ltd.	7/1930-1/1952; eliminated 10/1953
CSGX	Union Tank Car Co.	added 10/1953; 7/1954-10/1957; eliminated 1/1958
CSGX	Central Sand and Gravel Co.	added 7/1973; 1/1975-1/1980; eliminated 1/1984
CSHX	Columbia Steel & Shafting Co.	7/1923-7/1930
CSIX	Cook & Swan Co., Inc.	8/1920-7/1923
CSIX	Cook Swan Oil Corp.	7/1930-7/1932
CSIX	Circle Systems, Inc.	7/2005
CSIX	Cycle Systems, Inc.	eliminated 7/2013
CSIX	Cornerstone Systems, Inc.	7/2020 (unlisted)
CSKR	C&S R.R. Corp.	1/1994-7/2020
CSKX	Central States Grain & Trading Co.	added 10/1979; 1/1980; eliminated 1/1981
CSKX	Central States Enterprises, Inc.	added 1/1981; eliminated 4/1982
CSL	Chicago Short Line R.R. Co.	1/1975-7/2000; eliminated 10/2002
CSL	ISG South Chicago & Indiana Harbor Ry. Co. d/b/a South Chicago & Indiana Harbor Ry. Co.	7/2005-7/2020
CSLI	CSX Transportation, Inc.	7/2020
CSLX	Concrete Supply Co.	added 1/1975; 1/1975; eliminated 1/1980
CSLX	Ciment St-Laurent	added 7/2007; eliminated 1/2010
CSLX	Holcim (Canada) Inc.	added 1/2010; 7/2020
CSMX	Chestnut & Smith Corp.	8/1920-7/1930
CSMX	Carol & Andy Muller	added 10/1996; eliminated 7/2000; 7/2000-7/2020 (unlisted)
CSNX	Fruit Growers Express Co.	1/1950-1/1952
CSNX	National Car Co. (Lincoln Packing Co.)	eliminated 4/1953
CSNX	Cities Service Co.	added 4/1978; eliminated 4/1979
CSNX	Cities Service Co., NGL Division	added 4/1979; 1/1980; eliminated 5/1983
CSNX	Cities Service Oil and Gas Corp.	added 5/1983; eliminated 1/1986
CSNX	OXY Cities Service NGL Inc.	added 1/1986; eliminated 7/1988
CSNX	OXY NGL Inc.	added 7/1988
CSNX	OXY USA Inc.	eliminated 4/1992
CSNX	Trident NGL, Inc.	added 4/1992; eliminated 10/1993; 1/1994-7/2020 (unlisted)
CSO	Connecticut Southern R.R. Inc.	added 4/1997; 7/2000-7/2005; eliminated 7/2010; 7/2020
CSOX	Cities Service Oil Co. of Ohio	7/1930
CSOX	Cities Service Oil Co.	7/1937-4/1961; eliminated 7/1962
CSOX	Cities Service Petroleum Co.	added 7/1962; eliminated 4/1963
CSOX	Cities Service Oil Co.	added 4/1963; 7/1965-10/1966; eliminated 10/1967
CSOX	Cities Service Pipe Line Co.	added 10/1967; 4/1970-1/1975; eliminated 4/1978
CSOX	Cities Service Co.	added 4/1978; eliminated 4/1979
CSOX	Cities Service Pipe Line Co.	added 4/1979; 1/1980; eliminated 1/1981
CSOX	Cities Service Co., Petroleum Products Group	added 1/1981; eliminated 7/1983
CSOX	CITGO Petroleum Corp.	added 7/1983; 1/1994-7/2020
CSP	Camas Prairie R.R., Co.	7/1923-1/1980; eliminated 1/1990; 1/1994
CSP	Camas Prairie RailNet, Inc.	7/2000; added 7/2001; eliminated 7/2004
CSP	Nebraska, Kansas & Colorado Railnet Inc.	added 7/2004; 7/2005
CSP	Chicago, St. Paul & Pacific Railroad LLC	7/2020
CSPX	Cities Service Co., Chemicals Group	added 7/1977; eliminated 4/1978
CSPX	Cities Service Co.	added 4/1978; eliminated 4/1979
CSPX	Cities Service Co., Chemicals Group	added 4/1979; 1/1980; eliminated 7/1983
CSPX	Cities Service Co.	added 7/1983; eliminated 7/1984
CSPX	Chesapeake Specialty Products, Inc.	eliminated 1/1997; 7/2000-7/2020 (unlisted)
CSR	Camden & Southern Railroad Inc.	7/2020
CSRX	Cities Service Refining Co.	7/1930-7/1935
CSRX	Cities Service Oil Co.	7/1937-4/1938
CSRX	Conway Scenic R.R.	7/2000-7/2020 (unlisted)
CSS	Chicago South Shore & South Bend R.R.	4/1938-10/1966 & 1/1975-1/1980; eliminated 4/1990
CSS	Chicago SouthShore & South Bend R.R.	added 4/1990; 1/1994-7/2005
CSS	Chicago South Shore & South Bend R.R.	7/2020
CSPX	Cities Service Co., Chemicals Group	added 7/1977; eliminated 4/1978
CSSL	Canada Steamship Lines	1/1975-1/1980
CSTX	Canada Starch Co., Ltd.	7/1937-1/1980; eliminated 4/1981
CSTX	Canada Starch Co. Inc.	added 4/1981; 1/1994; eliminated 1/1995; 7/2000-7/2005; 7/2020 (unlisted)
CSUX	The Continental Sugar Co.	8/1920
CSUX	City of Colorado Springs, Dept. of Public Utilities	added 7/1979; 1/1980-1/1994
CSUX	City of Colorado Springs, Dept. of Electric Generation	eliminated 1/1999; 7/2000-7/2020 (unlisted)
CSVX	Commercial Solvents Corp.	7/1923-7/1954; eliminated 7/1956
CSVX	Union Tank Car Co.	added 7/1956; 10/1957-4/1970; eliminated 7/1973
CSWX	The Conway Springs Water Co.	7/1935-1/1950
CSWX	Central and South West Services Inc.	added 7/1999; 7/2000; eliminated 10/2004
CSWX	Coleto Creek Power WLE, LP	7/2005 (unlisted)
CSX	Carnegie Steel Co.	8/1920-7/1935
CSX	Carnegie-Illinois Steel Co.	7/1937; 4/1938 (unlisted)
CSX	Central Soya Co., Inc.	1/1952
CSX	Central Transportation Co., Inc.	7/1954-1/1980; eliminated 10/1988
CSXE	CSX Transportation, Inc.	1/1994-7/2020
CSXT	CSX Transportation, Inc.	added 10/1987; 1/1994-7/2020
CSXX	Canadian Salt Co., Ltd.	7/1923
CSXX	Canadian Salt Co., Ltd. (Canadian Industries Ltd.)	7/1930
CSYX	Creosote Supply Co., Ltd.	8/1920-7/1923
CSYX	Central Soya Co., Inc.	added 4/1997; 7/2000; eliminated 7/2004
CSYX	Bunge North America	added 7/2004; 7/2005-7/2020
CT	City of Columbia d/b/a Columbia Terminal	added 1/1988; eliminated 7/1989; added 1/1988; 1/1994-7/2020
CTAX	Continental Tank Car Co.	7/1923-7/1935
CTAX	Service Tank Car Co.	7/1937-4/1938
CTAX	Shippers' Car Line Corp. (Service Tank Car Co.)	1/1941-1/1943
CTAX	Coast to Coast Leasing, Inc.	added 4/1969; 4/1970-1/1975; eliminated 7/1977
CTCX	The Conewango Refining Co.	8/1920-7/1930
CTCX	California Tank Car Line	1/1945 (unlisted)
CTCX	California Tank Car Line, Max Schulz, owner	1/1946-4/1961
CTCX	California Tank Car Line	eliminated 7/1965
CTCX	California Tank Car Line, Inc.	added 7/1965; 7/1965-1/1980; eliminated 4/1981
CTCX	North American Car Corp.	added 4/1981; eliminated 1/1984
CTCX	General Electric Railcar Services Corp.	added 1/1984; eliminated 1/1986
CTCX	Endasa, S.A. de C.V.	eliminated 4/1989; 1/1994-7/2005 (unlisted)
CTCX	The CIT Group/Capital Finance, Inc.	added 7/2008; eliminated 10/2018
CTCX	The CIT Group/Equipment Financing Inc.	added 10/2018; 7/2020
CTDX	Connecticut Department of Transportation	7/2020 (unlisted)
CTE	Cen-Tex Rail Link, Ltd.	7/2000-7/2020
CTER	The Indiana & Ohio Rail System	added 4/1995; eliminated 7/1999
CTEX	Canterra Energy, Ltd.	added 1/1984; eliminated 4/1991
CTEX	PLM International, Inc.	added 4/1991; 1/1994-7/2005; eliminated 1/2006
CTEX	The CIT Group/Capital Finance, Inc.	added 1/2006; eliminated 10/2015
CTIE	The Kansas City Southern Ry. Co.	added 1/1984; 1/1994-7/2020
CTIX	Commodity Traders, Inc.	added 4/1965; 7/1965-1/1980; eliminated 7/1981
CTIX	Southeastern Industrial Enterprises, Inc.	7/2005; eliminated 10/2006
CTLX	Canadian Petroleum Tank Line	7/1935-4/1947
CTLX	California Tank Car Line de Mexico, S.A.	added 4/1966; 10/1966-1/1975; eliminated 7/1975
CTLX	Equipo Nacional de Arrendamiento, S.A.	added 7/1975; eliminated 1/1979
CTLX	Endasa, S.A. de C.V.	added 1/1979; 1/1980; eliminated 4/1989; 1/1994-7/2020 (unlisted)
CTM	Chicago Terminal Railroad	7/2020
CTML	Cairo Terminal R.R. Co.	added 10/1982; 1/1994; eliminated 10/1998; 7/2000-7/2005
CTMX	Continental Rail Leasing Corp.	7/2020 (unlisted)
CTN	The Canton R.R.	8/1920-7/1930
CTN	Canton R.R. Co.	7/1932-1/1980; eliminated 7/1993; 1/1994 (unlisted); 7/2000-7/2005; added 1/2017; 7/2020
CTNX	Continental Carbon Co.	added 7/1996; eliminated 1/1999
CTNX	General Electric Railcar Services Corp.	added 1/1999; eliminated 1/2000
CTNX	General Electric Rail Services Corp.	added 1/2000; 7/2000-7/2005; eliminated 4/2006
CTNX	CCC Transport Co.	added 4/2006; 7/2020
CTPX	Certain-teed Products Corp.	added 11/1973; 1/1975; eliminated 4/1977
CTPX	CertainTeed Corp.	added 4/1977; 1/1980; eliminated 4/1986
CTPX	Courtesy Corp.	added 7/1992; eliminated 10/1993; 1/1994-7/2020 (unlisted)
CTR	Clinton Terminal R.R. Co.	7/2000-7/2020
CTRA	Connecticut Rail Systems, Inc.	added 10/1993; eliminated 1/1994; 1/1994 (unlisted)
CTRN	Central of Tennessee Ry. & Navigation Co.	added 4/1993; added 7/1993; 1/1994-7/2000; eliminated 4/2001
CTRN	Union Pacific Railroad Co.	added 4/2001; 7/2005-7/2020
CTRR	Cloquet Terminal R.R. Co., Inc.	added 10/2003; 7/2005-7/2020
CTRW	Carlton Trail Ry. Co.	added 4/1998; 7/2000-7/2020
CTRX	Chemical Transit Co.	added 1/1953; 7/1954; eliminated 4/1955
CTRX	Continental Turpentine & Rosin Corp.	added 7/1957; 10/1957-10/1966; eliminated 4/1967
CTRX	C&T Refinery, Inc.	added 7/1983; 1/1994; eliminated 1/2000
CTRX	C&T Refinery, LLC	added 1/2000; 7/2000; eliminated 10/2004
CTRX	Cargill Inc.	added 10/2004; 7/2005-7/2020
CT&S	Cairo, Truman & Southern R.R. Co.	7/1923-7/1932
CTSE	Chicago, Terre Haute & Southeastern Ry. Co. (Chicago, Milwaukee, St. Paul and Pacific R.R. Co.)	7/1936
CTSE	Chicago, Terre Haute & Southeastern Ry.	4/1938-7/1965
CTSE	Chicago, Terre Haute and Southeastern Ry. Co. (Chicago, Milwaukee, St. Paul and Pacific R.R. Co.)	10/1966
CTSX	Coordinated Transportation Systems, Inc.	added 7/1956; 10/1957; eliminated 1/1958
CTSX	Chem Comp Systems, Inc. d/b/a CTS Cement Manufacturing, Inc.)	1/1994 (unlisted)
CTSX	Chem Comp Systems, Inc.	added 1/1997; eliminated 4/1997
CTSX	Chem Comp Systems, Inc. d/b/a CTS Cement Manufacturing, Inc.)	7/2000-7/2005 (unlisted)
CTSX	CTS Cement Manufacturing Corp.	added 4/2007
CTSX	CTC Cement Manufacturing Corp.	eliminated 1/2008
CTSX	CTS Cement Manufacturing Corp.	7/2020 (unlisted)
CTTX	Canton Tank Car Co.	7/1930-7/1935
CTTX	General American Transportation Corp.	7/1937-1/1946
CTTX	Trailer Train Co.	added 4/1961; 4/1961-1/1975; eliminated 1/1976; added 4/1976; 1/1980; eliminated 1/1992
CTTX	TTX Co.	added 1/1992; 1/1994-7/2020
CTVX	The Cleveland Terminal & Valley Ry., Inc.	7/2000-7/2020 (unlisted)
CTWX	Conshohocken Rail LLC	added 1/2008
CTWX	Conshohocken Recycling & Rail Transfer, LLC	7/2020 (unlisted)
CTX	Crescent Tank Line (General Chemical Co.)	8/1920
CTX	Central Texas Refining Co.	7/1930-7/1932
CTX	Caterpillar Tractor Co.	1/1950-1/1952; eliminated 1/1953
CTXR	Central Texas & Colorado River Railway, LLC	7/2020
CUBX	SMBC Rail Services LLC	7/2020 (unlisted)
CUDX	Cudahy Car Lines	7/1937-4/1938
CUEX	Colorado-Ute Electric Association, Inc.	added 10/1984; eliminated 1/1985; 1/1994 (unlisted)
CUEX	Colorado-Utility Electric Association, Inc.	7/2000-7/2005 (unlisted)
CUMX	Cuero Cotton Oil & Mfg. Co.	7/1937 (unlisted); 4/1947-7/1965; eliminated 1/1966
CUNX	R.F. Cunningham & Co., Inc.	added 4/1991; 1/1994; eliminated 10/1995; added 10/2003; 7/2005; eliminated 10/2005
CUOH	The Columbus & Ohio River Rail Road Co.	added 7/1992; 1/1994-7/2005
CUOH	Ohio Central Railroad	7/2020
CSPX	Cities Service Co., Chemicals Group	added 7/1977; eliminated 4/1978
CURB	Curtis Bay R.R. Co.	1/1975-1/1980
CUST	Chicago Union Station Co.	1/1975-7/2005
CUSX	Custom Car Service Corp.	added 7/1959; 4/1961-4/1970; eliminated 1/1973
CUSX	E.L. Bride Co.	added 1/1973; eliminated 1/1975
CUVA	The Cuyahoga Valley Ry. Co.	1/1975-7/2000; eliminated 10/2002
CUVA	ISG Cleveland Works Ry. Co. d/b/a Cleveland Works Ry. Co.	added 10/2002; 7/2005-7/2020
CV	Central Vermont Ry., Inc.	1/1941-1/1994; eliminated 4/1995
CV	Grand Trunk Western R.R., Inc.	added 4/1995; 7/2000-7/2020
CVAR	Cedar Valley R.R. Co.	added 4/1985; eliminated 1/1992
CVAX	Cryogenic Vessel Alternatives, L.P.	7/2020 (unlisted)
CVC	Central Vermont Ry., Inc.	1/1975-1/1980; eliminated 4/1984
CVC	Canadian National Rys.	added 4/1984; 1/1994-7/2020
CVDO	Chicago, Central & Pacific R.R. Co.	1/1994
CVLY	Clackamas Valley Railway, LLC	7/2020
CVOX	Co-op. Vegetable Oils Ltd.	added 7/1958; 4/1961-4/1970; eliminated 1/1971
CVQ	Central Vermont Ry., Inc.	1/1994; eliminated 4/1995
CVQ	Grand Trunk Western R.R., Inc.	added 4/1995; added 7/1995; 7/2000-7/2020
CVR	Cimarron Valley R.R. L.C.	7/2000-7/2020
CVRC	Progressive Rail Inc. d/b/a Cannon Valley Railroad Co.	7/2020
CVRI	Connotton Valley Ry. Inc.	added 10/2003; eliminated 1/2004; 7/2005-7/2020
CVRX	Locomotive & Tower Preservation Fund, Ltd.	7/2000-7/2005 (unlisted)
CVRY	Caddo Valley R.R. Co.	7/2005
CVSR	Chippewa River R.R. Co.	added 7/1980; eliminated 7/1981
CVSX	Covestro LLC	7/2020 (unlisted)
CVTX	Conservit, Inc.	7/2020 (unlisted)
CVX	A.P. Callagan & Co.	7/1935-7/1936
CVX	Fleishmann Transportation Co. (A.P. Callagan & Co.)	7/1937-1/1943
CVYR	Caddo Valley R.R. Co.	7/2005-7/2020
CW	Colorado & Wyoming Ry. Co.	1/1975-7/2020
CWA	Central Washington R.R. Co.	7/2005-7/2020
CWBX	C.W. Brooks, Inc.	added 7/1993; 1/1994-7/2005; eliminated 1/2015
CWBX	Inspiration Holdings, Inc.	added 1/2015; 7/2020 (unlisted)
C&WC	Charleston & Western Carolina Ry. Co.	8/1920-7/1936
C&WC	Charleston & Western Carolina R.R.	4/1938-7/1965
C&WC	Charleston & Western Carolina Ry. Co. (Atlantic Coast Line R.R. Co.)	10/1966
CWC	Seaboard Coast Line R.R. Co. (Charleston & Western Carolina)	1/1975-1/1980
CWCX	Canandaigua Wine Co., Inc.	added 10/1982; 1/1994-7/2000; eliminated 7/2003
CWCX	Southern Rail Leasing, Inc.	added 7/2003; eliminated 10/2003
CWCX	Walter Haffner Co.	added 10/2003; 7/2005-7/2020
CWCY	Caldwell County R.R. Co.	7/2000; 7/2005-7/2020
CW&E	The Chatham, Wallaceburg & Lake Erie Ry. Co.	8/1920-7/1930
CWE	Chicago & Illinois Midland Ry. Co.	added 4/1979; eliminated 7/1979
CWEX	Commonwealth Edison Co.	7/1930-7/1965
CWEX	Commonwealth Edison Co. of Indiana (Wholly owned subsidiary of the Commonwealth Edison Co.)	added 1/1966
CWEX	Commonwealth Edison Co.	10/1966-7/2000; eliminated 10/2000
CWEX	Midwest Generation LLC	added 10/2000; 7/2005; eliminated 4/2015
CWEX	NRG Power Marketing LLC	added 4/2015; 7/2020
C&WI	Chicago & Western Indiana R.R. Co.	8/1920-7/1936
CWI	Chicago & Western Indiana R.R. Co.	4/1938-1/1980; eliminated 1/1984; 1/1994
CWIX	Canada West Indies Molasses Co., Ltd.	6/1936 (unlisted)
CWIX	Central Winery Inc.	1/1941-1/1943
CWIX	Crow Wing Recycling Inc.	7/2020 (unlisted)
CWJX	National Produce Co. (Merchants Despatch, Inc.	7/1935
CWL	Cornwall R.R. Co.	8/1920-7/1936
CWL	Cornwall R.R.	4/1938-4/1961
CWMX	Chemical Waste Management, Inc.	added 1/1987; 1/1994; 7/2000 (unlisted); 7/2005; eliminated 7/2008; 7/2020 (unlisted)
CWP	Chicago, West Pullman & Southern R.R.	7/1923-7/1936
CWP	Chicago, West Pullman & Southern R.R. Co.	4/1938-1/1994; eliminated 1/1998
CWP	Chicago Rail Link	added 1/1998; 7/2000-7/2005; eliminated 4/2006; 7/2020
CWPX	Consolidated Water Power & Paper Co.	4/1947-7/1954; eliminated 1/1956
CWR	California Western R.R. & Navigation Co.	7/1930-7/1954
CWR	California Western R.R., Inc.	10/1957-1/1994; eliminated 1/1997
CWR	CWRR, Inc.	added 1/1997; eliminated 4/1998
CWR	CWR Inc.	added 4/1998; 7/2000; eliminated 10/2002; 7/2005-7/2020
CWRC	Central Wisconsin R.R. Co.	added 4/1981; eliminated 4/1985
CWRL	Central Western Ry. Corp.	1/1994-7/2005
CWRO	ISG Cleveland Works Ry. Co. d/b/a Cleveland Works Ry. Co.	added 10/2002; 7/2005-7/2020
CWRX	Crystal White Refining Co. (Harvey Crude Oil Co.)	8/1920
CWRX	CWR Transportation Co.	added 1/2007; 7/2020
CWRY	Commonwealth Ry., Inc.	added 1/1990; 1/1994-7/2020
CWSX	War Department, U.S.A., Chemical Warfare Service, Huntsville Arsenal	1/1943
CWSX	War Department, U.S.A., Office of Chief of Transportation	1/1945-4/1947
CWSX	Department of the Army, Office of the Chief of Transportation, Movements Division, Tank Car Section	1/1950-1/1952
CWSX	Department of the Army	added 7/1953
CWSX	Department of the Army, Office of the Chief of Transportation, Railway Transport Division	1/1950-1/1952
CWSX	Department of the Army, Transportation Materiel Command, Marietta, Pennsylvania	eliminated 10/1955
CWSX	Department of the Army, Transportation Supply and Maintenance Command, St. Louis 1, Missouri	added 10/1955; eliminated 10/1956
CWSX	Consolidation Western Steel Division, United States Steel Corp.	added 1/1964; eliminated 7/1964
CWSX	American Bridge Division United States Steel Corp.	added 7/1964; 7/1965-1/1980; eliminated 10/1981
CWSX	USS Fabrication Division United States Steel Corp.	added 10/1981; eliminated 1/1987
CWSX	USS-Posco Industries	added 1/1987; eliminated 4/1990
CWSX	Cardella Waste Service of New Jersey	7/2005 (unlisted)
CWSX	Cardella Trucking Co., Inc.	7/2020 (unlisted)
CWTX	Central West Refrigerator Despatch Co.	added 4/1955; 10/1957; eliminated 7/1959
CWTX	Chicago Freight Car Leasing Co.	added 7/1959; 4/1961-1/1975; eliminated 4/1978
CWTX	Chem West Industries, Inc.	added 4/1981
CWTX	Chemwest Industries, Inc.	eliminated 4/1992
CWTX	ChemWest Industries, Inc.	1/1994-7/2005
CWW	CWW, LLC	7/2020
CWX	Crystal Springs Water Co., Inc.	1/1941-10/1957; eliminated 10/1958
CX	Colorado Southern (Burlington Refrigerator Express Co.)	7/1935-1/1954
CX	Burlington Refrigerator Express Co.	10/1957; eliminated 1/1959
CXIX	Chemical Exchange Co., Inc.	added 10/1980; eliminated 1/1981
CXIX	Chemical Exchange Industries, Inc.	added 1/1981; eliminated 7/1992
CXR	Colorado Pacific Railroad	7/2020
CYCX	Conley Tank Car Co.	8/1920-7/1930
CYCX	Conley Tank Car Co. (Pennsylvania-Conley Tank Line)	7/1932
CYCX	Conley Tank Car Co. (Pennsylvania-Conley Tank Car Co.)	7/1935
CYCX	Pennsylvania-Conley Tank Line, a Division of General American Transportation Corp.	7/1937-1/1945
CYCX	General American Transportation Corp.	1/1946-10/1957; eliminated 7/1958
CYCX	Cyanamid of Canada Ltd.	added 7/1958; 4/1961-1/1980; eliminated 10/1981
CYCY	Crystal City R.R., Inc.	1/1994-7/2005
CYDX	Northbrook Corp.	1/1994 (unlisted)
CYDX	Conrad Yelvington Distributors, Inc.	7/2000-7/2005 (unlisted)
CYDX	ARC Rail 2013-1, LLC	added 7/2018; 7/2020
CYMX	Cytec Carbon Fibers LLC	added 10/2003; 7/2005
CYMX	Cytec Engineered Materials Inc.	7/2020 (unlisted)
CYTX	Construcciones Y Trituaraciones, S.A. de C.V.	added 10/1994; 7/2000; eliminated 1/2005; 7/2005 (unlisted)
CYX	American Cyanamid Co.	8/1920-1/1980; eliminated 5/1983
CYXX	Conrad Yelvington Distributors, Inc.	7/2005 (unlisted)
CYXX	Infinity Rail LLC	7/2020 (unlisted)
CSPX	Cities Service Co., Chemicals Group	added 7/1977; eliminated 4/1978
CZ	Coahuila & Zacetecas Ry.	1/1975-1/1980
CZCX	Gaylord Container Division, Crown Zellerbach Corp.	added 7/1960; eliminated 10/1960
CZCX	Crown Zellerbach Corp.	added 10/1960; 4/1961-1/1980; eliminated 5/1983; 1/1994-7/2005 (unlisted)
CZRY	Carrizo Gorge Ry. Inc.	7/2005-7/2020