Reporting Marks: W

7 Reporting Marks: W

W

WA	The Western Ry. of Alabama	1/1975-1/1980; eliminated 1/1983
WA	Seaboard System R.R., Inc.	added 1/1983; eliminated 7/1987
WA	CSX Transportation, Inc.	added 7/1987; 1/1994-7/2020
WAB	Wabash R.R.	10/1957-7/1965
WAB	Wabash R.R. Co. (Norfolk and Western Ry. Co.)	10/1966-4/1970
WAB	Norfolk and Western Ry. Co.	1/1975-1/1980; eliminated 1/1991
WAB	Norfolk Southern Ry. Co.	added 1/1991; 1/1994-7/2000
WAB	Norfolk Southern Ry. Co. (Norfolk Southern)	7/2005-7/2020
WABX	Westinghouse Air Brake Co.	7/1923
WACR	Washington County R.R. Corp.	added 4/1981; 1/1994; eliminated 7/1997; 7/2000-7/2020
WACX	Albright & Wilson Co.	added 4/1990; 1/1994-7/2000; eliminated 10/2003
WACX	PCS Phosphate Co.	added 10/2003; 7/2005-7/2020
WADX	The Wadley Co.	7/1930-7/1932
WADX	The Wadley Co. (Harbor Tank Line)	7/1935
WADX	American Refrigerator Transit Co.	added 7/1955; 10/1957-1/1975; eliminated 10/1975; 1/1980
WAER	Wabash & Erie R.R.	added 1/1995; eliminated 4/1995; 7/2000-7/2005
WAEX	Cherokee Rail Equipment, LLC	7/2005 (unlisted)
WAFX	Western Ash Co.	added 1/1997; eliminated 7/1997; 7/2000 (unlisted)
WAG	Wellsville, Addison & Galeton R.R. Corp.	10/1957-1/1980; eliminated 4/1980
WAGX	Occidental Chemical Corp.	added 10/1995; eliminated 4/1996
WAGX	PCS Phosphate Co., Inc.	added 4/1996; 7/2000-7/2020
WAKX	Wake Partnership	added 4/1993; 1/1994-7/2005; eliminated 7/2008; eliminated 10/2008
WAL	Western Allegheny R.R. Co.	1/1975-1/1980
WAMX	Webb Asset Management	7/2000-7/2005 (unlisted); added 4/2006; 7/2020
WAND	Wisconsin & Michigan Ry. Co.	added 10/1992; 1/1994; eliminated 1/1997; 7/2000-7/2020
WAPX	Willits & Patterson	8/1920
WAR	Warrenton R.R. Co.	1/1975; added 10/1979; 1/1980; eliminated 7/1987; eliminated 1/1988; added 10/1988; eliminated 7/1991; 1/1994-7/2005
WAS	Waynesburg Southern	1/1975-1/1980
WASX	Wm. A. Smith Construction Co., Inc.	added 7/1985; eliminated 4/1987
WASX	Allegheny Raw Materials, Inc.	7/2020 (not listed)
WATC	The Washington Terminal Co.	1/1975-7/2005
WATR	Waterville	1/1975-1/1980
WATR	Water Carriers	1/1994-7/2005
WAVX	Waverly Oil Works Co.	7/1930-7/1932
WAVX	Waverly Oil Works Co. (General American Tank Car Corp.)	7/1935
WAVX	General American Transportation Corp.	7/1937-4/1938
WAW	Waynesburg & Washington R.R. Co.	1/1975
WAW	Consolidated Rail Corp.	1/1980
WB&A	Washington, Baltimore and Annapolis Electric R.R. Co.	7/1923-7/1935
WBC	Wilkes-Barre Connecting R.R.	1/1975-1/1980
WBCR	Wabash Central R.R. Corp.	added 7/1998; 7/2000-7/2005; eliminated 7/2010; 7/2020
WBCX	Warren Bros. Co.	8/1920
WBCX	Williams Bros. Concrete, Inc.	added 11/1973; 1/1975-1/1980; eliminated 7/1985
WBCX	Williams Bros., Inc.	added 7/1985; eliminated 4/1991
WBCX	Williams Bros. Division, Blue Circle Inc.	added 4/1991; eliminated 1/1994
WBCX	Blue Circle Inc.	added 1/1994; 7/2000-7/2020
WBLX	William Bonifas Lumber Co.	added 4/1953; 7/1954; eliminated 4/1955
WBLX	Kimberly-Clark of Michigan, Inc.	added 4/1955; 10/1957-4/1961; eliminated 7/1961
WBLX	Kimberly-Clark Corp.	added 7/1961; eliminated 4/1965
WBMX	Wilkes-Barre Milling Co.	added 4/1967; 4/1970-1/1975; eliminated 4/1978
WBMX	Lauhoff Grain Co.	added 4/1978; 1/1980-1/1994; eliminated 10/1997; 7/2000-7/2005 (unlisted)
WBRW	Wes' Belt Railway LLC	7/2020
WBRX	W.B. Riley	1/1950
WBRX	William B. Riley Co., Inc.	1/1952-4/1961; eliminated 4/1963
WBTS	Waco, Beaumont, Trinity & Sabine Ry. Co.	1/1975-7/2020
WC	Wisconsin Central Ltd.	added 1/1988; 1/1994-7/2020
WCAX	Westcan Rail Ltd.	7/2000-7/2020 (unlisted)
WCCL	Wisconsin Chicago Link Ltd.	added 4/2000; 7/2000-7/2020
WCCX	Worthington Creamery & Produce Co.	7/1932
WCCX	Worthington Creamery & Produce Co. (North Western Refrigerator Line Co.)	7/1935
WCCX	Wannamaker Chemical Co., Inc.	1/1946 (unlisted); 4/1947
WCCX	Warren Car Co.	added 10/1957; 10/1957-1/1980; eliminated 10/1982
WCCX	Westmoreland Coal Co.	1/1994 (unlisted)
WCCX	Consolidation Coal Co.	added 1/1998; 7/2000-7/2005; eliminated 1/2012
WCCX	Rail Connection, Inc.	added 1/2012; eliminated 7/2015
WCCX	Rail Connection LLC	added 7/2015; 7/2020
WCDX	Westcentral Cooperative Grain Co.	added 1/1966; 10/1966; eliminated 10/1968
WCDX	Far-Mar-Co., Inc.	added 10/1968; 4/1970-1/1980; eliminated 10/1985
WCDX	Farmland Industries, Inc.	1/1994-7/2000; eliminated 4/2005
WCEX	West Coast Express	7/2020 (not listed)
WCFX	Western Co-operative Fertilizers (U.S.), Inc.	added 7/1985; eliminated 10/1992
WCFX	Western Cars (U.S.) Inc.	added 10/1992; eliminated 1/1993
WCFX	General Electric Railcar Services Corp.	added 1/1993; 1/1994; eliminated 1/2000
WCFX	General Electric Rail Services Corp.	added 1/2000; 7/2000-7/2005; eliminated 4/2016
WCFX	Wells Fargo Rail Corp.	added 4/2016; 7/2020
WCGX	Westcentral Cooperative Grain Co.	added 10/1965; eliminated 1/1966
WCHX	W.C. Haffner	1/1945
WCHX	Walter Haffner Co.	4/1947-7/2020
WCIX	Western Chemical Industries, Ltd.	1/1945 (unlisted); 1/1946-4/1947; added 1/1953; 7/1954; eliminated 4/1957
WCIX	Witco Chemical Co.	added 1/1959; eliminated 7/1959
WCIX	Witco Chemical Co., Inc.	added 7/1959; 4/1961-10/1966; eliminated 1/1969
WCIX	Witco Chemical Corp.	added 1/1969; 4/1970-1/1975; eliminated 4/1976
WCKR	Wolf Creek Railroad LLC	7/2020
WCL	Wilson Car Lines	7/1935
WCLC	Waccamaw Coast Line R.R. Co., Inc.	7/2000-7/2020
WCLR	Waccamaw Coastline R.R. Co., Inc.	added 1/1989; eliminated 7/1992; 1/1994
WCLR	Waccamaw Coast Line R.R. Co., Inc.	7/2000-7/2005
WCLR	Waccamaw Coastline Railroad Co., Inc.	7/2020
WCLX	Wilson Car Lines (previously W.C.L.)	added 11/1934; 7/1935-4/1938
WCLX	Wilson Car Lines, Division of Wilson & Co., Inc.	1/1941-1/1980; eliminated 7/1981
WCLX	West Coast Reduction Ltd.	7/2005-7/2020 (unlisted)
WCMX	Western Chemical Manufacturing Co. (General Chemical Co.)	8/1920
WCMX	West End Chemical Co.	1/1952
WCMX	Wyandotte Chemicals Corp.	added 4/1959; 4/1961; eliminated 1/1963; added 10/1963; 7/1965-4/1970; eliminated 7/1971
WCOR	Wellsboro & Corning R.R. Co.	added 4/1993; 1/1994-7/2005; eliminated 10/2009; 7/2020
WCPX	Walker Consolidated Petroleum Co.	7/1923
WCPX	Wayne Chemical Products Co., Division of Wayne Soap Co.	4/1947-1/1950
WCQ	Wisconsin Central Ltd.	1/1994-7/2020
WCRC	Washington Central R.R. Co., Inc.	added 1/1987; 1/1994; eliminated 10/1997
WCRC	Columbia Basin R.R. Co., Inc.	added 10/1997; 7/2000-7/2020
WCRL	West Chester R.R. Co.	7/2000-7/2020
WCRR	Wyoming Connect Railroad LLC	7/2020
WCRX	West Coast Resources, Inc.	added 1/1972; 1/1975; eliminated 10/1975
WCRX	United Grain Corp.	added 10/1975; 1/1980; eliminated 4/1989
WCRX	Southern Ontario Locomotive Restoration Society d/b/a Waterloo Central Railway	7/2020 (not listed)
WCSX	Wheelabrator Coal Services Co.	added 10/1985; 1/1994-7/2000; eliminated 4/2001
WCSX	Savage-Tolk Energy Services	added 4/2001; eliminated 4/2004
WCSX	General Electric Railcar Services	added 4/2004; 7/2005; eliminated 4/2016
WCSX	Wells Fargo Rail Corp.	added 4/2016; 7/2020
WCTR	WCTU Ry. Co.	added 4/1975; 1/1980-7/2005; eliminated 1/2014
WCTR	Rogue Valley Terminal Rd. Corp.	added 1/2014; 7/2020
WCTX	R.J. Roesling & Co.	1/1952; eliminated 7/1953
WCTX	West Central Cooperative	added 4/1980; eliminated 4/1990
WCTX	Resource Recycling Inc.	7/2000-7/2005 (unlisted)
WCTX	Waste Conversion Technologies, Inc.	7/2020 (not listed)
WCX	Warner Chemical Co.	7/1930-7/1935
WCX	Wyandotte Chemicals Corp.	1/1946 (unlisted); 4/1947-1/1950; 1/1952 (unlisted)
WCX	Western Chemicals Ltd.	added 10/1954; 10/1957; eliminated 1/1960
WCXX	West Coast Railway Museum	7/2005 (unlisted)
WCXX	West Coast Railway Association	7/2020 (not listed)
WDAX	Washington Dept. of Agriculture	1/1994-7/2020 (unlisted)
W&DB	Wildwood and Delaware Bay Short Line R.R. Co.	7/1923-7/1932
WDCX	Wm. Davies Co., Inc.	8/1920-7/1932
WDCX	Wm. Davies Co., Inc. (Canada Packers Ltd.)	7/1935
WDCX	Warren-Douglas Chemical Co., Inc.	added 10/1964; 7/1965-4/1970; eliminated 11/1973
WDLX	Waddell Coal Mining Co., Inc.	1/1952-10/1957; eliminated 4/1958
WDLX	Washington Dimensional Ltd.	7/2020 (not listed)
WDPX	W.D. Pawley	1/1945 (unlisted); 1/1946
WDPX	Gascoyne Materials Handling & Recycling LLC	added 7/2008; 7/2020
WDS	Wadley Southern Ry. Co. (Wrightsville & Tennille R.R. Co.)	7/1923-7/1936
WDTX	Washington State Department of Transportation	7/2020 (not listed)
WDX	Wieland Dairy Co. (General American Tank Car Corp.)	7/1930-7/1932
WDX	Wieland's (Borden-Wieland, Inc.)	7/1935
WE	Wheeling and Lake Erie Ry. Co.	added 10/1990; 1/1994-7/2020
WEAX	ACI Co.	added 4/1976; eliminated 1/1979
WEBX	Webb Rail, LLC	7/2020 (not listed)
WECX	Westinghouse Electric Corp.	1/1952-7/2005; eliminated 1/2009; 7/2020 (not listed)
WEDX	Western Dairy Co.	7/1935-1/1941
WEFX	Whole Energy Fuels Corp.	7/2020 (not listed)
WEGX	Puget Sound Egg Packers, Inc. (Union Refrigerator Transit Co.)	7/1935
WEIX	Wilbur-Ellis Co.	added 4/1980; 1/1994; 7/2000-7/2020 (unlisted)
WE&L	Windsor, Essex & Lake Shore Rapid Ry. Co.	7/1923-7/1932
WELX	Welland Chemical, Inc.	added 1/1984; eliminated 1/1989
WELX	White Equipment Leasing Corp.	7/2000-7/2020 (unlisted)
WEMX	Westinghouse Electric & Manufacturing Co.	8/1920-1/1945
WEMX	Westinghouse Electric Corp.	1/1946-1/1950
WEMX	Western Milling, LLC	7/2020 (not listed)
WEOX	White Eagle Oil Corp.	7/1930-7/1932
WEOX	White Eagle Oil Corp. (Socony-Vacuum Oil Co., Inc., White Eagle Division)	7/1935
WEOX	Soncony-Vacuum Oil Co., Inc., White Eagle Division	7/1935-4/1947
WEPX	White Eagle Petroleum Co. (White Eagle Oil and Refining Co.)	8/1920
WEPX	White Eagle Oil and Refining Co.	7/1923
WEPX	White Eagle Oil and Refining Co. (White Eagle Oil Corp.)	7/1930
WEPX	Wisconsin Electric Power Co.	added 4/1968; 4/1970-7/2020
WER	Washington Eastern Railroad, LLC	7/2020
WERX	Western Oil Refining Co.	7/1923
WERX	Western Railroads, Inc.	7/2005-7/2020 (unlisted)
WESX	B.C. Timber Ltd.	added 1/1984; eliminated 7/1984
WESX	Westar Timber Ltd.	added 7/1984; eliminated 7/1986; 1/1994-7/2005 (unlisted)
WF	Wiggins Ferry Co. (East St. Louis Connecting Ry.)	8/1920
WF	The Wiggins Ferry Co. (Terminal R.R. Association of St. Louis)	7/1923-7/1930
WFAX	Western Fuels Association, Inc.	added 4/1979; 1/1980-7/2020
WFB	Burlington Northern Inc.	added 10/1975; 1/1980; eliminated 4/1981
WFBX	Western Fruit Express Co.	added 10/1964; 7/1965-1/1975; eliminated 10/1979; 1/1980
WFCX	Western Fruit Express Co.	added 1/1961; 4/1961-4/1970; eliminated 4/1974; 1/1975
WFCX	Western Farmers Electric Corp.	added 7/1981; 1/1994
WFCX	Western Farmers Electric Cooperative	7/2000-7/2020
WFE	Burlington Northern Inc.	added 10/1975; 1/1980; eliminated 7/1981
WFE	Burlington Northern R.R. Co.	added 7/1981; eliminated 7/1985; added 10/1985; eliminated 4/1995
WFEX	Western Fruit Express Co.	7/1930-1/1980; eliminated 1/1981
WFGX	Watseka Farmers Grain Co. Co-op	added 1/2004; eliminated 4/2004; 7/2005 (unlisted)
WFIX	West Fork Logging Co.	7/1935
WFIX	WFIX Partners	added 4/1981; eliminated 4/1988
WFIX	Pullman Leasing Co.	added 4/1988; eliminated 1/1990
WFIX	Itel Rail Corp.	added 1/1990; eliminated 10/1992
WFIX	General Electric Railcar Services Corp.	added 10/1992; 1/1994; eliminated 1/2000
WFIX	General Electric Rail Services Corp.	added 1/2000; 7/2000; eliminated 1/2001
WFIX	First Union Rail	added 1/2001; 7/2005; eliminated 4/2016
WFIX	Wells Fargo Rail Corp.	added 4/2016; 7/2020
WFLX	West Fork Logging Co.	7/1937-1/1943
WFLX	St. Regis Paper Co., West Fork Logging Division	1/1950-7/1954; eliminated 4/1956
WFMX	Western Fruit Express Co.	added 4/1967; 4/1970; eliminated 4/1974; 1/1975
WF&N	Wichita Falls & Northwestern Ry.	8/1920
WF&N	Wichita Falls & Northwestern Ry. (M.-K.-T. Lines)	7/1923-7/1930
WFPX	Wirt Franklin Petroleum Corp.	7/1930-7/1935
WFPX	Western Food Products Co.	1/1946-7/1965; eliminated 10/1965
WFRX	Wells Fargo Rail Corp.	added 4/2016; 7/2020
WFS	West Isle Line, Inc.	7/2000-7/2020
WFSX	The Wm. Focke's Sons Co.	7/1923
WGBX	Whitaker-Glessner Co.	8/1920-7/1923
WGBX	Whitaker-Glessner Co. (Wheeling Steel Corp.)	7/1930
WGBX	W.G. Block Co.	1/1975-1/1980
WGBX	W.G. Block Co. (captive service)	1/1994 (unlisted)
WGCR	Wiregrass Central R.R. Co.	added 4/1988; 1/1994-7/2005; eliminated 10/2011
WGCR	Wiregrass Central Ry. Corp.	added 10/2011; eliminated 7/2016
WGCR	Wiregrass Central Railway, LLC	7/2020
WGFX	Willard Grain & Feed Inc.	added 7/1984; 1/1994; 7/2000 (unlisted)
WGNS	Wisconsin Great Northern R.R., Inc.	7/2005-7/2020
WGR	Willamina & Grand Ronde Ry. Co.	added 4/1988; 1/1994-7/2000; eliminated 10/2003
WGR	Willamette Valley R.R. Co.	added 10/2003; 7/2005
WGR	Willamette Valley Railway Co..	7/2020
WGRR	Willamina & Grand Ronde R.R. Co.	added 1/1981; eliminated 4/1986
WGRY	Wabash & Grand River Ry. Co.	added 1/1991; eliminated 7/1991; 1/1994
WGSX	Leonard Warden, Distributors	1/1950-4/1961; eliminated 7/1961
WGTX	Wm. Graver Tank Works (Graver Corp.)	8/1920
WGTX	Graver Corp.	7/1923
WGWX	Whitaker-Glessner Co.	8/1920-7/1923
WGWX	Whitaker-Glessner Co. (Wheeling Steel Corp.)	7/1930
WHCX	Western Hay Co. Inc.	7/2005 (unlisted)
WHDX	The Western Heater Despatch	8/1920-7/1923
WHDX	The Western Heater Despatch, series 400-1199 (Chicago & Northwestern Ry.)	7/1923
WHI	Burlington Northern Inc.	added 10/1975; 1/1980; eliminated 7/1981
WHI	Burlington Northern R.R. Co.	added 7/1981; eliminated 7/1985; added 10/1985; eliminated 4/1995
WHIX	Western Fruit Express Co.	1/1950-1/1980; eliminated 1/1981
WHMX	Miner Enterprises	1/1994 (unlisted); added 1/1997; eliminated 4/1997; 7/2000-7/2020 (unlisted)
WHN	Wharton and Northern R.R. Co.	1/1975
WHN	Consolidated Rail Corp.	1/1980-1/1994
WHOE	Walking Horse and Eastern Railroad, Inc.	added 7/1985; eliminated 10/1991; 1/1994-7/2020
WHOX	White Oil Corp.	8/1920-7/1923
WHRC	Windsor & Hantsport Railway Co., Ltd.	added 7/1994; 7/2000-7/2005; eliminated 4/2008; 7/2020
WHRR	Walking Horse Railroad, LLC	7/2020
WHSX	North American Car Corp.	added 7/1966; 10/1966-1/1980; eliminated 1/1984
WHSX	General Electric Railcar Services Corp.	added 1/1984; eliminated 7/1986
WHTX	W.H. Tucker & Son Co.	8/1920-7/1923
WHTX	ADM Milling Co.	added 7/1994; 7/2000; eliminated 10/2002
WHTX	ADM Transportation Co.	added 10/2002; 7/2005-7/2020
WICT	Wisconsin & Calumet R.R. Co., Inc.	added 10/1985; 1/1994; eliminated 4/1995
WICT	Wisconsin & Southern R.R. Co., Inc.	added 4/1995
WICT	Wisconsin & Calumet R.R. Co., Inc.	eliminated 1/1998
WIEX	Wilbur-Ellis Co.	eliminated 10/1995
WIF	West India Fruit & Steam Ship Co.	1/1950-4/1961
WIF	Atlantic Coast Line R.R.	7/1965-4/1970
WIF	West India Fruit & Steamship	1/1975-7/2020
WIGX	Wigeon Car Co.	added 1/1968; 4/1970-1/1980; eliminated 4/1992
WIGX	Western International Gas & Cylinders, Inc.	7/2005-7/2020 (unlisted)
WIIX	Williamette Industries, Inc.	added 10/1991; eliminated 4/1992
WIIX	Williamette Industries, Inc.	added 4/1992; 1/1994-7/2000; eliminated 4/2003
WIIX	Weyerhaeuser Co.	added 1/2004; 7/2005; eliminated 10/2008
WIIX	Domtar	added 10/2008; 7/2020
WILX	Wilshire Oil Co., Inc.	1/1945-1/1946
WILX	Wilford and Sands	added 7/1961; eliminated 7/1962
WILX	Wilmeth Petroleum Co.	added 7/1962; eliminated 1/1965
WIM	Washington, Idaho & Montana Ry. Co.	1/1975-1/1980; eliminated 7/1981
WIMX	Wimpey Minerals USA, Inc.	7/2000 (unlisted)
WIMX	Pennsy Supply Inc.	added 1/2004; eliminated 4/2004; 7/2005-7/2020 (unlisted)
WIR	Washington & Idaho Railway Inc.	7/2020
WIRR	Wisconsin Rapids Railroad, LLC	7/2020
WISX	Wisconsin Power and Light Co.	added 7/1969; 4/1970-1/1980; eliminated 1/1990; 1/1994 (unlisted)
WISX	Alliant Energy	added 4/2000; 7/2000-7/2020
WITX	Witco Carbon Co.	1/1950-7/1954; eliminated 10/1956
WITX	Continental Carbon Co.	added 4/1958; 4/1961-1/1980; eliminated 1/1985
WITX	Continental Carbon Co., wholly owned subsidiary of Witco Chemical Corp.	added 1/1985; eliminated 4/1986
WITX	Continental Carbon Co., wholly owned subsidiary of Witco Corp.	added 4/1986; 1/1994
WITX	Continental Carbon Co.	eliminated 1/1999
WITX	General Electric Railcar Services Corp.	added 1/1999; eliminated 1/2000
WITX	General Electric Rail Services Corp.	added 1/2000; 7/2000-7/2005; eliminated 4/2006
WITX	CCC Transport Co.	added 4/2006; 7/2020
WIWR	Wisconsin Western R.R. Co.	added 10/1982; eliminated 1/1986
WIX	Western Industries Co.	8/1920-7/1923
WIX	Watson Industries Inc.	7/1937 (unlisted)
WJ	West Jersey R.R. Co.	1/1994
WJ	West Michigan R.R. Co.	7/2000-7/2020
WJMX	The W.J. McCahan Sugar Refining & Molasses Co.	7/1935-1/1943
WJMX	William J. McCormack Sand Division, Penn Industries, Inc.	added 10/1971; 1/1975; eliminated 4/1977
WKHX	Rail Connection, Inc.	added 10/2003; 7/2005; eliminated 7/2015
WKHX	Rail Connection LLC	added 7/2015; 7/2020
WKOX	Western Oil Corp.	7/1923
WKPX	Wood Chemical Products Co.	7/1930
WKPX	Southern Pine Chemical Co.	7/1935-7/1937
WKRL	Western Kentucky Ry., L.L.C.	added 4/1995; 7/2000; eliminated 7/2003; 7/2005-7/2020
WKWX	W.K. Warren	7/1930-7/1935
WKWX	W.K. Warren Co.	7/1937-4/1947
WKWX	The William K. Warren Foundation	1/1950-7/1954; eliminated 7/1957
WLCX	Warren Lubricant Co., Inc.	7/1930-7/1932
WLCX	Williams Leasing Co., Inc.	7/2020 (not listed)
WLDX	Weldship Corp.	7/2000-7/2020 (unlisted)
W&LE	The Wheeling & Lake Erie Ry. Co.	8/1920-7/1936
WLE	Wheeling & Lake Erie Ry.	4/1938-10/1957
WLE	Wheeling & Lake Erie Ry. (New York, Chicago and St. Louis R.R. Co.)	4/1961-7/1965
WLE	Wheeling & Lake Erie Ry. (Norfolk and Western Ry.)	4/1970
WLE	Wheeling & Lake Erie	1/1975-1/1980
WLFB	Wolfeboro R.R. Co., Inc.	1/1975-1/1980
WLO	Waterloo R.R. Co.	10/1957-1/1980; eliminated 4/1986
WLO	Waterloo Ry. Co.	added 4/1986; 1/1994-7/2020
WLPX	Westlake Polymers Corp.	1/1994 (unlisted); added 1/1999; 7/2000-7/2020
WLTC	West Texas and Lubbock Ry. Co.	added 7/2002
WLTX	Westlock Terminals (NGC) Ltd.	7/2020 (not listed)
WLX	Wilsil Ltd.	7/1935-4/1938
WM	Western Maryland Ry. Co.	8/1920-1/1980; eliminated 1/1984
WM	Baltimore & Ohio R.R. Co.	added 1/1984; eliminated 7/1987
WM	The Chesapeake and Ohio Ry. Co.	added 7/1987; eliminated 10/1987
WM	CSX Transportation, Inc.	added 10/1987; 1/1994-7/2020
WMBX	Willbros Terminal Co.	added 10/1967; 4/1970; eliminated 7/1974
WMBX	North American Car Corp.	1/1975; added 4/1975; eliminated 7/1976
WMCX	The Westinghouse Machine Co.	8/1920
WMCX	The Westinghouse Machine Co. (Westinghouse Electric & Manufacturing Co.—Machine Works)	7/1923
WMCX	L.H. Wentz (Oil Division)	7/1935
WMCX	Williams Molasses Co.	4/1947-1/1950
WMGX	Wentz & McCasky Gasoline Co.	7/1923
WMGX	L.H. Wentz Oil Division	7/1930-1/1941
WMGX	W.H. Schoenwald	1/1943
WMI	West Michigan R.R. Co.	7/2000-7/2020
WMIX	Waste Management of Illinois, Inc.	added 10/1996; eliminated 4/2000; 7/2000-7/2020 (unlisted)
WMKX	Whiting Milk Co.	4/1947-7/1954; eliminated 1/1957
WM&N	Weatherford, Mineral Wells & Northwestern Ry. Co.	7/1923-4/1938
WMRX	Merchants Despatch Transportation Corp.	added 4/1956; 10/1957-10/1966; eliminated 10/1969
WMSC	White Mountain Scenic R.R.	1/1980-7/2005
WMSX	Western Maryland Scenic Railroad Development Corp.	7/2020 (not listed)
WMWN	The Weatherford, Mineral Wells and Northwestern Ry. Co.	1/1975-1/1980
WMX	Western Meat Co.	8/1920-7/1923
WMX	Westmoreland Coal Co.	added 11/1934; 7/1937-1/1945; 1/1946 (unlisted)
W&N	Wisconsin & Northern R.R. Co.	8/1920
W&N	Wisconsin & Northern R.R. Co. (Minneapolis, St. Paul & Saulte Ste. Marie Ry.)	7/1923
WN	Progressive Rail Inc. d/b/a Wisconsin Northern	added 7/2007; eliminated 10/2014
WN	Progressive Rail, Inc.	7/2020
W&NB	Williamsport & North Branch R.R. Co.	8/1920
W&NB	Williamsport & North Branch Ry. Co.	7/1930-4/1938
WNCX	Wabash National Finance Corp.	7/2000-7/2005 (unlisted)
WNDX	Relco Rank Line, Inc.	added 1/1991; 1/1994; eliminated 10/1997
WNDX	BNSF Logistics, LLC	7/2020 (not listed)
WNF	Winfield R.R. Co.	8/1920-1/1980; eliminated 4/1980
WNFR	Winifrede R.R. Co.	1/1975-1/1980; added 7/1980; 1/1994-7/2000; eliminated 10/2000
WNFR	Kanawha Rail Corp.	added 10/2000; 7/2005; eliminated 7/2015; 7/2020
WNGX	Western Natural Gas Co.	added 4/1975; 1/1980-1/1994; eliminated 10/1996; 7/2000-7/2020 (unlisted)
W&NO	Wharton & Northern R.R. (Co.)	7/1923-4/1970
W&NR	Williamsport & North Branch Ry. Co.	7/1923
WNW	Wichita Northwestern Ry.	7/1935-7/1954
WNYP	Western New York & Pennsylvania R.R. LLC	added 10/2001; eliminated 1/2004; 7/2005-7/2020
WNYX	Western New York Ry. Historical Society	1/1994-7/2020 (unlisted)
WOAX	Gulf States Corp.	7/1930-7/1932
WOB	Burlington Northern Inc.	added 10/1975; eliminated 1/1978; 1/1980
WOBX	Western Oil & Burner Co.	1/1945
WOBX	Western Oil Burner Co.	1/1946
WOBX	Western Oil & Burner Co.	4/1947
WOBX	Western Fruit Express Co.	1/1952-1/1975; eliminated 1/1979
WOCX	Wadhams Oil Co.	7/1935-4/1938
WOCX	Socony-Vacuum Oil Co., Inc., Chicago Division	1/1941-4/1947
WODX	Woburn Degreasing Co.	7/1930-7/1932
WOHO	Wabash & Ohio R.R.	added 1/1995; eliminated 4/1995; 7/2000-7/2005
WOKX	Western Oil Corp. of Texas	7/1932; 7/1937 (unlisted)
WOKX	Hampton Capital, LLC	eliminated 1/2022
WOKX	Progress Rail Leasing Corporation	added 1/2022
WOLX	Westland Oil Co.	1/1950-1/1952; eliminated 4/1953
WOPX	West Oakland Pacific Railroad, LLC	7/2020 (not listed)
W&OV	Warren & Ouachita Valley Ry.	7/1923-4/1970
WOV	Warren & Ouachita Valley Ry. Co.	1/1975-1/1980; eliminated 10/1980
WOWX	Wilburine Oil Works, Ltd.	8/1920-7/1923
WOWX	Valvoline Oil Co. (Warren Refinery)	7/1930
WOX	Warren Oil Co. of Pennsylvania	8/1920
WOX	Warden Oil Co.	7/1932-1/1943; 1/1945 (unlisted)
WOX	General American Transportation Corp.	1/1950-1/1952; eliminated 10/1953
WP	Western Pacific R.R. Co.	7/1965-1/1980; eliminated 10/1987
WP	Union Pacific R.R. Co.	added 10/1987; 1/1994-7/2020
WPCX	Transportation Management, Inc.	1/1975; added 4/1975; eliminated 7/1976
WPCX	Missouri Valley Walnut Co.	added 7/1976; 1/1980; eliminated 1/1982
WPCX	Rouge Dock Co LLC	7/2020 (not listed)
WPEX	Wabash Power Equipment Co.	added 7/1990; 1/1994-7/2005; eliminated 10/2008; 7/2020 (not listed)
WPGX	Western Paving Construction Co.	added 4/1974; 1/1975-1/1980; eliminated 1/1980; 1/1994-7/2020 (unlisted)
WPHX	Waite Phillips Co.	7/1923
WPHX	Wacker Polymers, LP	added 10/2008; eliminated 7/2013; added 10/2014; 7/2020
WPIX	Wholesale Power Inc.	7/2020 (not listed)
WPLX	White Provision Co., Inc.	7/1932-7/1935
WPLX	North American Car Corp.	added 1/1967; 4/1970-1/1980; eliminated 1/1984
WPLX	General Electric Railcar Services Corp.	added 1/1984; 1/1994; eliminated 10/1994
WPMW	Western Pacific R.R. Co.	added 1/1984; eliminated 10/1987
WPMW	Union Pacific R.R. Co.	added 10/1987; 1/1994-7/2005
WPNX	Wilson Provision Co. (North American Car Corp.)	7/1932-7/1935
WPPX	West Penn Power Co.	8/1920-7/1930
WPPX	WestPoint Pepperell, Inc.	added 1/1978; 1/1980; eliminated 4/1982
WPRB	Western Pacific R.R. Co.	7/1965-4/1970
WPRR	Willamette & Pacific R.R., Inc.	added 7/1993; 1/1994-7/2020
WPRX	Wainwright Producers and Refiners Ltd.	added 4/1956; 10/1957-4/1961; eliminated 4/1962
WPRX	Union Tank Car Co.	added 4/1962; eliminated 10/1962
WPRX	Fruit Growers Express Co.	added 7/1968; 4/1970-1/1975; eliminated 7/1978
WPSX	W.P. Stork Refrigerator Line	7/1930-7/1932
WPSX	Wisconsin Public Service Corp.	added 10/1981; eliminated 4/1993; 1/1994-7/2020 (unlisted); added 10/2022
WPT	The Wabash-Pittsburgh Terminal Ry. (The Pittsburgh & West Virginia Ry. Co.)	8/1920-7/1930
WPT	The Pittsburgh & West Virginia Ry. Co.	7/1932
WPWX	Wilson Propane Wholesale Co., Inc.	added 10/1976; eliminated 10/1977
WPWX	Wilson Propane Wholesale Co.	added 10/1977; 1/1980; eliminated 7/1981
WPWX	Fruit Growers Express Co.	added 7/1981; eliminated 4/1982
WPX	Wood Products Co.	8/1920-7/1923
WPY	White Pass & Yukon Route	1/1975-1/1980
WPY	White Pass & Yukon Corp., Ltd.	7/2005-7/2020
WQAX	Warner-Quinlan Co.	8/1920-7/1930
WRAX	The Wine Railway Appliance Co.	7/1930-1/1941
WRBX	W.R. Bonsal Co.	added 4/1968; 4/1970; eliminated 4/1971
WRCX	Warren Refining Co.	8/1920-7/1923
WRCX	Warren Refining Co. (Refiners Car Corp.)	7/1930
WRCX	Wisconsin Rendering Co., Inc.	1/1946-4/1970; eliminated 1/1971
WRDX	Ward Tank Car Line	7/1930-4/1938
WRDX	Ward Tank Line	1/1941
WRDX	Ward Tank Line (Mrs. W.J. Ward, owner)	1/1943
WRDX	Wyodak Resources Development Corp.	added 1/1980; 1/1980; eliminated 10/1982
WRDX	Iowa-Illinois Gas & Electric Co.	added 10/1982; eliminated 7/1983
WRDX	Iowa-Gas & Electric Co.	added 10/1983; 1/1994
WRDX	Iowa-Illinois Gas & Electric Co.	eliminated 4/1996
WRDX	MidAmerican Energy Co.	added 4/1996; 7/2000-7/2005; eliminated 1/2016
WREX	Western Railroad Equipment Co.	added 1/1999; 7/2000-7/2005; eliminated 4/2018
WREX	Relco, LLC	7/2020
WRFX	White River Trading Inc.	7/2000-7/2005 (unlisted)
WRFX	Creative Charters, Inc.	added 10/2005
WRFX	West Railcar and Fabrication LLC	7/2020 (not listed)
WRGX	WindRiver Grain LLC	7/2020 (not listed)
WRKX	Westrock Co.	added 7/2019
WRHX	Creative Charters, Inc.	eliminated 4/2006; 7/2020 (not listed)
WRI	Wheatland Rail Inc.	7/2020
WRIX	Western Rail, Inc.	7/2005-7/2020 (unlisted)
WRKX	WestRock Co.	7/2020
WRL	WRL, LLC	7/2020
WRLX	Winona Refrigerator Car Corp.	7/1935-1/1950
WRLX	General American Transportation Corp.	1/1952-4/1961; eliminated 10/1962
WRLX	Western Rail Leasing Corp.	added 7/1970; eliminated 10/1971
WRLX	Relco Leasing Corp.	added 10/1971; eliminated 4/1972
WRLX	Relco Tank Line, Inc.	1/1975; eliminated 10/1976
WRLX	Relco Tank Line Division of Relco Nevada Corp.	added 10/1976; 1/1980; eliminated 10/1986
WRLX	Relco Tank Line, Inc.	added 10/1986; eliminated 4/1993; 1/1994-7/2005 (unlisted)
WRN	Washington Run R.R. Co.	7/1923-7/1930
WRNX	Warren Petroleum Co.	7/1930-7/1937
WRNX	Warren Petroleum Corp.	4/1938-10/1966; eliminated 1/1970
WRNX	Gulf Oil Co.—U.S., Division of Gulf Oil Corp.	added 1/1970; 4/1970-1/1980; eliminated 7/1982
WRNX	Gulf Refining and Marketing Co., Division of Gulf Oil Corp.	added 7/1982
WRNX	Gulf Oil Products Co., Division of Gulf Oil Corp.	eliminated 7/1985
WRNX	Chevron U.S.A. Inc.	1/1994-7/2005; eliminated 10/2015
WROX	Western Oil Corp.	8/1920
WROX	Western Oil Corp. (Tidal-Western Oil Corp.)	7/1923
WROX	Tidal-Western Oil Corp.	7/1930
WRPI	Western R.R. Properties, Inc.	added 10/1984; 1/1994; eliminated 4/1996; 7/2000-7/2020
WRPX	Warr-Penn Refining Co.	7/1930-7/1932
WRPX	Public Service Co. of Indiana, Inc.	added 10/1978; 1/1980; eliminated 1/1991
WRPX	PSI Energy, Inc.	added 1/1991; 1/1994; eliminated 10/1998; 7/2000 (unlisted); added 10/2000; eliminated 1/2001; 7/2005 (unlisted)
WRRC	Western Rail Road Co.	added 1/1976; 1/1980-7/2020
WRRX	Walden's Ridge R.R. Co.	added 1/2004; eliminated 7/2004; 7/2005-7/2020 (unlisted)
WRS	Western Rail Switching Inc.	7/2005-7/2020
WRSX	Wheeler, Reynolds & Stauffer	7/1937-4/1961; eliminated 1/1962
WRSX	Stauffer Chemical Co. (Western Branch)	added 1/1962; eliminated 1/1963
WRSX	Scholle Corp.	added 4/1973; 1/1975-1/1980; eliminated 4/1989
WRSX	Warren Railcar Service, Inc.	7/2000-7/2020 (unlisted)
WRT	Warrior River Terminal Co.	1/1941-7/1954
WRTX	Western Rail Leasing Corp.	added 7/1978; 1/1980; eliminated 10/1990
WRWK	Warwick Ry. Co.	added 1/1974; 1/1975-1/1980; eliminated 1/1983
WRWK	Providence and Worcester R.R. Co.	added 1/1983; 1/1994-7/2020
WRWX	Trinity Rail Management, Inc.	7/2000-7/2005; eliminated 1/2014
WRWX	Trinity Industries Leasing Co.	added 1/2014; eliminated 10/2017
WRX	Wolff Refrigerator Line (Charles Wolff Packing Co.)	8/1920
WRX	Western Refrigerator Line Co.	7/1935-4/1970; eliminated 1/1973
WRX	Western Refrigerator Line Co. Terminal	added 1/1973; 1/1975-1/1980; eliminated 10/1990; 1/1994-7/2005 (unlisted)
WRY	Waterloo Ry. Co.	1/1994-7/2020
WS	Ware Shoals R.R. Co.	1/1975-1/1980; eliminated 1/1985
WS	Walkersville Southern R.R.	1/1994-7/2020
WSB	West Side Belt R.R. Co. (Pittsburgh & West Virgina Ry.)	8/1920-7/1936
WSCX	Willibald Schaefer Co.	7/1937-4/1938; added 1/1968; 4/1970; eliminated 10/1972
WSCX	Buffalo Brake Beam Co.	added 10/1980; eliminated 5/1983; 1/1994 (unlisted)
WSCX	Consumers Energy Co.	added 4/2007; 7/2020
WSD	Westfield R.R. Co.	7/1923
WSFX	W.S. Forbes & Co., Inc.	8/1920
WSGX	Waste Services Group, LLC	7/2020 (not listed)
WSIX	Watco Switching Indiana	7/2000-7/2020 (unlisted)
WSK	Woodstock Ry. Co.	7/1923-7/1932
WSLX	Wheeling Steel Corp.	7/1930-4/1961; eliminated 1/1965
WSN	Washington Southern Ry. (Richmond, Fredericksburg & Potomac Ry.)	8/1920-7/1923
WSOR	Wisconsin & Southern R.R. Co.	added 10/1980; 1/1994-7/2005; eliminated 4/2018
WSOR	Wisconsin & Southern R.R., LLC	added 4/2018; 7/2020
WSOX	Wisconsin & Southern Leasing Co.	added 7/1981; eliminated 1/1991
WSOX	Upper Merion and Plymouth Leasing Co.	added 1/1991; 1/1994
WSOX	Upper Merion and Plymouth Co.	eliminated 4/1996
WSOX	First Union Rail	added 4/1996; 7/2000-7/2005; eliminated 4/2016
WSOX	Wells Fargo Rail Corp.	added 4/2016; 7/2020
WSPX	Wheelstar Corp.	1/1994-7/2020 (unlisted)
WSR	Warren & Sabine River R.R. Co.	1/1975-1/1994; eliminated 1/1999; 7/2000-7/2020
WSRY	Winamac Southern Ry. Co.	1/1994-7/2020
WSRX	White Star Refining Co.	7/1923-7/1932
WSRX	White Star Refining Co. (Socony-Vacuum Oil Co., Inc., White Star-Ohio Division)	7/1935
WSRX	Socony-Vacuum Oil Co., Inc., White Star-Ohio Division	7/1935-1/1945
WSRX	Socony-Vacuum Oil Co., Inc., White Star Division	1/1946-4/1947
WSS	Winston-Salem Southbound Ry. Co.	8/1920-7/2020
WSSX	Wedron Silica Co.	added 4/1986; 1/1994-7/2005; eliminated 1/2014
WSSX	The CIT Group/Capital Finance, Inc.	added 1/2014; eliminated 10/2018
WSSX	The CIT Group/Equipment Financing Inc.	added 10/2018; 7/2020
WSTX	Whitestone Supply Co.	7/2000-7/2005 (unlisted)
WSWX	Wisconsin Steel Co.	8/1920-4/1938
WSX	Weirton Steel Co.	8/1920-10/1957; eliminated 7/1959
WSX	Weirton Steel Co. Division, National Steel Corp.	added 7/1959; 4/1961
WSX	Weirton Steel Division, National Steel Corp.	7/1965-10/1966
WSX	Weirton Steel Co. Division, National Steel Corp.	eliminated 1/1967
WSX	Weirton Steel Division, National Steel Corp.	added 1/1967; 4/1970-1/1980; eliminated 5/1983; 1/1994-7/2005 (unlisted)
WSYP	White Sulphur Springs & Yellowstone Park Ry. Co.	1/1975; eliminated 10/1975; 1/1980; eliminated 7/1980
WT	Weldwood Transportation Ltd.	1/1975-1/1980
WTA	Wichita Terminal Association	7/2020
WTCO	Western Transportation Co.	1/1975-7/2020
WTCX	Weyerhauser Timber Co.	added 10/1958; eliminated 1/1960
WTCX	Weyerhauser Co.	added 1/1960; 4/1961-4/1970; eliminated 4/1974
WTCX	Atlantic Terminals Inc.	added 4/1974; 1/1975; eliminated 4/1977
WTCX	Weyerhauser Co.	added 4/1977; 1/1980-7/2000; eliminated 10/2000; 7/2005 (unlisted)
WTEX	Waste Control Specialists LLC	7/2020 (not listed)
WTIX	Water Train, Inc.	7/2020 (not listed)
WTJR	Wichita, Tillman & Jackson Ry. Co., Inc.	added 7/1991; eliminated 10/1991; 1/1994-7/2020
WTKX	Warren Tank Car Co.	7/1935-4/1947
WTL	West Texas and Lubbock R.R. Co. Inc.	7/2000-7/2005
WTLC	West Texas and Lubbock R.R. Co.	eliminated 1/2004
WTLC	West Texas and Lubbock Ry. Co.	7/2005
WTLC	West Texas and Lubbock Railroad Co.	7/2020
WTLR	West Texas and Lubbock R.R. Co. Inc.	added 1/1996; eliminated 7/1999; 7/2000-7/2005
WTLX	Washington Tank Car Co.	8/1920
WTLX	White Tank Line	7/1930-7/1932
WTLX	Western Tank Line	4/1947-1/1950
WTLX	Wilmot Transportation & Logistics Ltd.	added 1/2004; 7/2005; eliminated 4/2007
WTLX	WT&L Corp.	added 4/2007; eliminated 7/2012; 7/2020 (not listed)
WTNN	West Tennessee R.R. Corp.	added 10/1984; eliminated 1/1988; 1/1994-7/2000; eliminated 1/2002
WTNN	West Tennessee R.R., LLC	added 1/2002; 7/2005; eliminated 4/2011; 7/2020
WTOH	Western Ohio R.R. Co.	1/1980; eliminated 4/1981
WTPX	Western Tar Products Corp.	7/1937-4/1938 (unlisted)
W&TR	Wrightsville and Tennille R.R. Co.	7/1930-7/1936
WTR	Wrightsville and Tennille R.R. Co.	4/1938-4/1970
WTRM	The Warren & Trumball R.R. Co.	added 7/1994; 7/2000-7/2005
WTRM	Ohio Central Railroad	7/2020
WTRY	Wilmington Terminal R.R., Inc.	added 1/1987; 1/1994-7/2000; eliminated 4/2003; 7/2005-7/2020
WTSE	West Shore R.R. Corp.	added 10/1985; 1/1994; eliminated 4/2000; 7/2000-7/2020
WTTX	Wichita Tank Line Co.	7/1923
WTTX	Trailer Train Co.	added 4/1982; eliminated 1/1992
WTTX	TTX Co.	added 1/1992; 1/1994-7/2020
WTW	Washington Western Ry.	7/1923
WTWX	Waggoner Refining Co.	7/1923
WTWX	Waggoner Refining Co., Inc.	7/1930-7/1932
WTWX	W.T. Waggoner Estate, Tank Car Dept.	7/1935
WTWX	Waggoner Refining Co., Inc.	7/1937-4/1938
WTWX	W.T. Waggoner Estate Refining Dept.	1/1941-1/1946
WTWX	W.T. Waggoner Estate Refining Dept. (Keith Railway Equipment Co.)	4/1947
WTX	John A. Wogan, Inc.	8/1920-7/1923
WTX	Western Tank Line	1/1941-1/1943
WUDX	Western-United Dairy Co.	1/1943-4/1947
WURR	Wallowa Union R.R. Authority	added 10/2003; 7/2005-7/2020
WUT	Wichita Union Terminal Ry., Co.	1/1994-7/2020
WUTX	Western Union Telegraph Co.	7/1937-4/1961 (unlisted)
WV	(The) Wichita Valley Ry. (Co.)	7/1923-1/1952
WV	Fort Worth & Denver Ry.	7/1954
WVC	Durbin and Greenbrier Valley R.R., Inc. d/b/a West Virginia Central R.R.	added 1/1999; 7/2000-7/2005
WVC	Durbin and Greenbrier Valley R.R., Inc.	7/2020
WVCX	Westvaco Chlorine Products, Inc.	7/1930-7/1935
WVCX	Westvaco Chlorine Products Corp.	7/1937-4/1947
WVCX	Westvaco Chemical Corp.	1/1950-1/1952; eliminated 7/1953
WVCX	Westvaco Corp.	added 1/1982; 1/1994-7/2000; eliminated 4/2005
WVCX	Meadwestvaco Corp.	added 4/2005; 7/2005; eliminated 7/2011; added 10/2011
WVCX	WestRock Co.	7/2020
WVN	West Virginia Northern R.R. Co.	1/1975-1/1980; eliminated 1/1988
WVN	West Virginia Northern R.R., Ltd.	added 1/1988; eliminated 1/1992
WVN	Kingwood Northern d/b/a West Virginia Northern R.R., Ltd.	7/2000-7/2005
WVPX	West Virginia Pulp & Paper Co.	7/1935-7/1937; 4/1938-1/1943 (unlisted)
WVR	Willamette Valley Ry. Co.	1/1994-7/2000; eliminated 7/2001; added 10/2003; 7/2005-7/2020
WVRC	Wabash Valley R.R. Co.	added 1/1978; added 4/1978; 1/1980; eliminated 7/1981
WVRD	Willamette Valley Ry. Co.	added 4/1985; 1/1994
WVSR	WV Southern Ry. Co.	added 1/2004; eliminated 7/2004; 7/2005
WW	Winchester and Western R.R. Co.	1/1975; added 4/1979; 1/1980-7/2020
WWBX	W.W. Butler, Inc. (cars no. 100-104) (Merchants Despatch, Inc.)	7/1935
WWBX	W.W. Butler, Inc. (cars no. 500-604) (American Refrigerator Transit Co.)	7/1935
WWBX	WWIB Transportation Services	1/1994-7/2005 (unlisted)
WWBX	Rail Scale, Inc.	7/2020 (not listed)
WWDX	Wescott and Winks Dairy Despatch	7/1932
WWDX	Wescott and Winks Dairy Despatch (North American Car Corp.)	7/1935
WWEX	Wood Waste Energy, Inc.	added 10/1998; eliminated 4/2000
WWEX	Railworks Wood Waste Energy, Inc.	added 4/2000; 7/2000; eliminated 7/2002; 7/2005 (unlisted)
WWLX	LaRoche Industries, Inc.	added 1/1997; 7/2000; eliminated 4/2002
WWLX	Trinity Industries Leasing Co.	added 4/2002; 7/2005; eliminated 1/2017
WWLX	Gavilion Global Ag Holdings, LLC	added 1/2017; 7/2020 (not listed)
WWPX	W. & W. Pickle & Canning Co.	7/1935-7/1954; eliminated 4/1957
WWPX	W. & W. Pickle Co.	added 4/1957; 10/1957-4/1961; eliminated 1/1963
WWPX	Whitfield Pickle Co.	added 1/1963; eliminated 7/1965
WWPX	Willimantic Waste Paper Co.	added 1/2004; 7/2005; eliminated 4/2007; 7/2020 (not listed)
WWR	Washington Western	1/1975-1/1980
WWR	Western Washington Railroad, LLC	7/2020
WWRC	Wilmington & Western Ry. Corp.	added 7/1985; eliminated 1/1993; 1/1994-7/2020
WWSX	Standard Car Truck Co.	added 7/1980; eliminated 1/1988
WWUX	Unimin Corp.	added 7/1992; 1/1994; eliminated 7/2000; 7/2000 (unlisted); added 1/2006; 7/2020; eliminated 1/2021
WWV	Walla Walla Valley Ry. Co.	8/1920-1/1980; eliminated 7/1982
WWV	Burlington Northern R.R. Co.	1/1994
WYCO	Wyoming & Colorado R.R.	1/1994-7/2020
WYCX	Weyerhauser Canada Ltd.	added 1/1972; 1/1975-7/2000; eliminated 7/2004; 7/2005 (unlisted); eliminated 10/2008
WYCX	Domtar	added 10/2008; 7/2020
WYEC	Wye Transportation Co.	1/1994-7/2020
WYO	Wyoming Ry. Co.	7/1923-1/1950
WYS	Wyandotte Southern R.R. Co.	1/1975-1/1980; eliminated 4/1987; 1/1994-7/2020
WYT	Wyandotte Terminal R.R. Co.	1/1975-1/1980; eliminated 10/1981