K

KABX

Kaber Co.

1/1975; added 4/1975; 1/1980; eliminated 7/1993

KABX

Bay State Milling Co.

eliminated 10/1993

KABX

Kaber Co.

1/1994 (unlisted)

KABX

Canadian Resource Distribution Inc.

7/2000-7/2020 (unlisted)

KACX

Kaiser Aluminum & Chemical Corp.

added 4/1959; 4/1961-1/1994; eliminated 7/1994; 7/2000-7/2005 (unlisted)

KAIX

Rinker Materials Corp.

added 1/1989; 1/1994-7/2005; eliminated 10/2006

KALX

Knadler & Lucas (General American Tank Car Corp.)

8/1920-7/1923

KAMX

Kelloggs & Miller

7/1923

KAMX

Kelloggs & Miller, Inc.

7/1930-7/1932

KAMX

Bisbee Linseed Co.

7/1937

KAMX

Kamen, Inc.

added 4/1985; 1/1994-7/2005; 2020 (not listed)

KAPX

K.A. Powell (Canada) Ltd.

added 10/1953; 7/1954-10/1957; eliminated 7/1958

KARX

Hamilton Elevators

added 10/1980; eliminated 10/1989

KARX

General Electric Railcar Services Corp.

1/1994; eliminated 10/1994

KASX

Koch Agronomic Services LLC

added 10/2013; eliminated 4/2014

KASX

Koch Rail LLC

added 4/2014; 7/2020

KATX

Marubeni America Corp.

added 10/1985; eliminated 10/1987

KAW

Kaw River R.R.

7/2005; added 4/2008; 7/2020

KBEC

Kent, Barry, Eaton Connecting Ry., Inc.

added 4/1980; eliminated 1/1984

KBKX

Carey, Baxter and Kennedy, Inc.

7/1937-4/1961 (unlisted)

KBLX

CanAM Minerals, Inc.

added 10/2006; eliminated 4/2008; 7/2020 (not listed)

KBSR

Kankakee, Beaverville and Southern R.R. Co.

added 4/1978; 1/1980-7/2020

KC

The Kanawha Central Ry. Co.

1/1975

KCAX

KCAC, Inc.

added 10/1985; eliminated 1/1987

KCC

Kansas City Connecting R.R. Co.

1/1975-1/1980

KCCX

Kimberly-Clark Corp.

7/1930-7/1935

KCCX

Kimberly-Clark Co.

7/1937-4/1961

KCCX

Kennecott Copper Corp.

added 4/1970; 4/1970-1/1980; eliminated 4/1981

KCCX

Kennecott Corp.

added 4/1981; eliminated 4/1991

KCCX

Kennecott Utah Copper Corp.

added 4/1991; 1/1994-7/2005; eliminated 4/2012

KCCX

Kennecott Utah Copper LLC

added 4/2012; 7/2020

KCDX

Eastman Kodak Co.

added 1/1976; 1/1980-7/2000; eliminated 7/2005; 7/2005 (unlisted)

KCEX

Kazco Enterprises, Inc.

7/2005-7/2020 (unlisted)

KCGX

Kaiser Cement & Gypsum Corp.

added 10/1965; 10/1966-1/1975; eliminated 1/1980

KCGX

Kaiser Cement Corp.

added 1/1980; 1/1980; eliminated 1/1990

KCGX

Mitsubishi Cement Corp.

added 1/1990; 1/1994; eliminated 1/1997

KCGX

Southdown, Inc.

added 1/1997; eliminated 7/1997; 7/2000 (unlisted)

KCGX

Cemex, Inc.

added 7/2005; 7/2005; eliminated 10/2011; 7/2020 (not listed)

KCIX

Kaiser Co., Inc., Iron and Steel Division

1/1945-4/1947

KCIX

Kaiser Steel Corp.

1/1950

KCIX

Koppers Co., Inc.

added 1/1965; 7/1965; eliminated 4/1966

KCIX

Sinclair-Koppers Co.

added 4/1966; 10/1966-4/1970; eliminated 1/1974

KCIX

Arco Polymers, Inc.

added 1/1974; eliminated 10/1974

KCIX

ARCO/Polymers, Inc.

added 10/1974; 1/1975; eliminated 10/1979

KCIX

ARCO Polymers, Inc.

added 10/1979; 1/1980; eliminated 10/1982

KCIX

ARCO Chemical Co.

added 10/1982; 1/1994; eliminated 4/1997

KCIX

Nova Chemicals Inc.

added 4/1997; eliminated 7/2000; 7/2000 (unlisted)

KCLX

Kansas City Power & Light Co.

added 4/1971; 1/1975-1/1994; eliminated 7/1997; 7/2000-7/2020 (unlisted)

KCMO

Kansas City, Mexico & Orient

1/1975-1/1980

KCMX

The Kansas Chemical Manufacturing Co.

8/1920

KCMX

Kidd Creek Mines, Ltd.

added 4/1982; eliminated 7/1986

KCMX

Saskterra Fertilizers Ltd.

added 7/1986; eliminated 10/1990

KCMX

Potash Corp. of Saskatchewan, Inc.

added 10/1990; eliminated 1/1991

KCMX

Saskterra Fertilizers Ltd.

added 1/1991; eliminated 4/1991

KCMX

PLM International, Inc.

added 4/1991; 1/1994; eliminated 1/2004

KCNW

Kelley's Creek & Northwestern R.R. Co.

1/1975-1/1994

KCPX

Kemira Chemicals Canada Inc.

added 7/1999; 7/2000-7/2005; eliminated 4/2012; 7/2020 (not listed)

KCRX

Kansas City Refining Co.

8/1920

KCRX

Kootenay Central Rail Services Ltd.

7/2000-7/2020 (unlisted)

KCS

Kansas City Southern Ry. Co.

7/1965-7/2020

KCSM

Kansas City Southern de Mexico S.A. de C.V.

added 7/2006; eliminated 4/2007

KCSM

Kansas City Southern de Mexico S. de R.L. de C.V.

added 4/2007; eliminated 10/2007

KCSM

Kansas City Southern de Mexico S.A. de C.V.

added 10/2007; 7/2020

KCSX

Kansas City Structural Steel Co.
(White Eagle Oil & Refining Co.)

8/1920

KCT

Kansas City Terminal Ry. Co.

7/1923-1/1975; eliminated 1/1986; 1/1994; eliminated 1/1995

KCTL

Kansas City Transportation Co. LLC

added 4/2006; eliminated 10/2006; added 4/2008; 7/2020

KCTV

KCT Ry. Corp.

added 7/1990; eliminated 7/1992; 1/1994-7/2005

KCWB

Kansas City Westport Belt

1/1975-1/1980

KCWX

Kimberly-Clark of Canada Ltd.

added 7/1977; 1/1980; eliminated 1/1994; 1/1994-7/2005 (unlisted)

KCX

Kingan & Co.

1/1943-4/1947

KCX

Kingsford Chemical Co.

7/1954; eliminated 10/1957

KCX

Kingsford Co.

added 10/1957; 10/1957-4/1961; eliminated 1/1962

KDCX

Kodak Canada, Inc.

added 10/1990; 1/1994; eliminated 1/1995

KDCX

Eastman Chemical Canada, Inc.

added 1/1995; 7/2000; eliminated 1/2004

KDCX

Eastman Chemical Co., Inc.

added 1/2004; 7/2005-7/2020

KDPX

K-Dow Petrochemicals

added 1/2009; eliminated 1/2011

KDEX

KDEX Leasing Co.

added 10/1986; eliminated 1/1988

KDEX

Consolidated Transportation Corp.

eliminated 1/1989

KDEX

Jansen Rail Car, Inc.

added 4/1989; 1/1994; eliminated 1/1996

KDEX

GLNX Corp.

added 1/1996; eliminated 4/2000; 7/2000-7/2005 (unlisted); eliminated 10/2015

KDLX

Karl De Laittre Co. (General American Tank Car Corp.)

8/1920

KDTX

Tomco Railway Car Co., Inc.

added 10/1963; 7/1965-1/1980; eliminated 4/1980

K&E

Kentwood & Eastern Ry. Co.

8/1920

KE

Kansas Eastern R.R. Inc.

7/2000-7/2005

KEBX

Manufacturers Leasing Corp.

added 4/1962; 7/1965-1/1980; eliminated 4/1984

KEBX

Ronald L. Boothman Remainder Trust

added 4/1984; 1/1994-7/2005; eliminated 4/2008; eliminated 7/2008

KECX

Kuner-Empson Co.

7/1937-7/1954; eliminated 10/1956

KEDX

Kedrick Cerry, Inc.

7/2020 (not listed)

KEGX

KEG River Chemical Corp.

7/2020 (not listed)

KELX

Kellogg Company

added 7/1981; 1/1994-7/2005; eliminated 7/2013

KENN

Kennecott Co. R.R.

1/1980-7/2005

KENX

KENX Associates

added 4/1978; 1/1980; eliminated 7/1985

KEX

Kingtan Extract Co.

7/1930

KEYX

Keywell Corp.

1/1994 (unlisted); 7/2000-7/2005

KEYX

Keywell L.L.C.

eliminated 4/2014

KEYX

Keywell Metals LLC

added 4/2014; 7/2020

KFCX

Koch Fertilizer Canada ULC

7/2020 (not listed)

KFGX

Knauf Fiber Glass, GmbH

added 4/1978; 1/1980; eliminated 7/1987; 1/1994-7/2020 (unlisted)

KFIX

J & J Railcar Leasing, LLC

7/2005 (unlisted); added 4/2009; eliminated 4/2015; 7/2020 (not listed)

KFMX

The Kansas Flour Mills Co.

7/1923

KFMX

Oils Unlimited

1/1975-1/1994; 7/2000-7/2005 (unlisted)

KFPX

Koppers Co., Inc.

added 10/1969; 4/1970-1/1980; eliminated 10/1987

KFR

Kettle Falls International Ry. LLC

7/2005-7/2020

KFRX

Chicago Freight Car Leasing Co.

added 1/1970; 4/1970-1/1975; eliminated 1/1983

KFRX

Kirby Family Farm, Inc.

7/2020 (not listed)

KFSX

Kurtz Farm Service

4/1938 (unlisted)

KFTX

J & J Railcar Leasing, LLC

7/2005 (unlisted); added 1/2008; eliminated 4/2015; 7/2020 (not listed)

KGB

Kewaunee, Green Bay & Western R.R. Co.

4/1938-10/1966

KGBX

National Car Co.

1/1943-1/1946

KGCX

Koppers Co., Inc.

added 4/1955; 10/1957-1/1980; eliminated 10/1989

KGCX

INDSPEC Chemical Corp.

added 10/1989; 1/1994; eliminated 1/1998; 7/2000-7/2005; eliminated 1/2019; 7/2020 (not listed)

KGFX

The Kingsford Co.

added 4/1980; 1/1994-7/2000; eliminated 10/2002; added 4/2005; 7/2005; eliminated 7/2007

KGLX

Commonwealth Edison Co.

added 10/1999; 7/2000-7/2005; eliminated 10/2006

KGLX

Exelon Generation Co., LLC

added 10/2006; eliminated 7/2011; added 10/2011; eliminated 7/2013

KGLX

PNCEF, LLC

added 7/2013; eliminated 7/2014

KGLX

Progress Rail Reclamation Co.

added 7/2014

KGLX

Progress Metals Reclamation Co.

eliminated 7/2015

KGLX

Progress Rail Leasing Corp.

added 7/2015; 7/2020

KGNX

General American Transportation Corp.

1/1952-7/1965

KGNX

Hygrade Food Products Corp.
(General American Transportation Corp.)

10/1966

KGNX

General American Transportation Corp.

4/1970; eliminated 1/1972

KGRX

Kasgro Rail Corp.

added 10/1996; 7/2000-7/2005; eliminated 1/2015; 7/2020 (not listed)

KGTR

Kingman Terminal Railroad, LLC

7/2020

KHCX

Chief Petty Paper

added 10/1988; eliminated 1/1991

KHRX

Kamloops Heritage Ry. Society

added 10/2003; eliminated 4/2004; 7/2005-7/2020 (unlisted)

KIIX

Kerley Industries, Inc.

added 10/1984; eliminated 7/1989

KIIX

Koppers Industries, Inc.

added 7/1997; 7/2000-7/2005; eliminated 7/2016

KIMX

Kimmins Contracting Corp.

7/2020 (not listed)

KINX

King Transportation Co.

1/1945-1/1950

KIPX

Fruit Growers Express Co. (reporting marks for Kentucky Independent Packing Co., Inc.)

7/1937-4/1938

KIT

Kentucky & Indiana Terminal R.R. Co.

1/1975-1/1980; eliminated 4/1982

KJCX

KJ Rail Logistics LLC

7/2020 (not listed)

KJR

Berkman Rail Services, Inc. d/b/a Kiski Junction R.R.

added 10/1995; eliminated 7/1998; 7/2000-7/2020

KJRY

Keokuk Northern Real Estate Co.
(d/b/a Keokuk Junction Ry.)

added 1/1982; eliminated 4/1982

KJRY

Keokuk Junction Ry.

added 4/1982; 1/1994-7/2000; eliminated 10/2001; 7/2005-7/2020

KKCX

Keokuk Canning Co.

7/1935-1/1945

KKCX

Glaser, Crandell Co.

1/1946 (unlisted)

KKRR

Knox & Kane R.R. Co.

added 10/1982; 1/1994-7/2005; eliminated 10/2006; 7/2020

KKX

Red 73 Creamery, Inc.
(Merchants Despatch, Inc.)

7/1935

KLEX

Kleysen Transport Ltd.

7/2005 (unlisted)

KLGX

Alan Kelling/KLGX

added 10/1987; eliminated 1/1989

KLLX

TUCO Inc.

7/2005 (unlisted); added 7/2014

KLAX

H. Earl Clack Co.

7/1930-7/1954; eliminated 10/1955

KLEX

Kayway Industries Inc.

7/2020 (not listed)

KLIX

Klan Locomotive Industries LLC

7/2020 (not listed)

KLLX

TUCO, Inc.

eliminated 1/2004; 7/2020

KLRX

Koch Rail LLC

7/2020

KLS

Kalamazoo, Lake Shore & Chicago Ry. Co.

8/1920-7/1923

KLSC

Kalamazoo, Lake Shore & Chicago Ry.

1/1994-7/2005

KLSX

Kerford Limestone Co.

added 7/1980; eliminated 10/1984

KLSX

Weather Shield MFG, Inc.

added 1/2008; 7/2020 (not listed)

KLWX

KLWX, Inc.

7/2020 (not listed)

K&M

Kanawha & Michigan Ry. Co.

8/1920

K&M

Kanawha & Michigan Ry. (New York Central R.R.—Ohio Central Lines)

7/1923

K&M

Kanawha & Michigan Ry. (New York Central R.R.)

7/1930-7/1932

KM

The Kansas and Missouri Ry. and Terminal Co.

1/1975-1/1980; eliminated 10/1984

KM

The Kansas City Southern Ry. Co.

added 10/1984

KM

Kansas and Missouri Ry. and Terminal Co.

1/1994-7/2005

KM

The Kansas City Southern Railway Co.

7/2020

KMBX

Keilman Brothers

10/1957 (unlisted)

KMCX

Knappen Milling Co.

added 7/1964; 7/1965-10/1966; eliminated 7/1968

KMCX

Kerr-McGee Chemical Corp.

reporting marks changed from APMX 1/1971; eliminated 11/1973; added 11/1977; 1/1980; eliminated 4/1993; added 10/1993; 1/1994; eliminated 1/1995

KMCX

Kerr-McGee Coal Corp.

added 1/1995; eliminated 7/1998; 7/2000-7/2005 (unlisted)

KMEX

Koch Methanol LLC

added 10/2013; eliminated 4/2014

KMEX

Koch Rail LLC

added 4/2014; 7/2020

KMFX

Kaolin Mushroom Farms, Inc.

added 1/1974; 1/1975

KMGX

Twin Mountain Rock Co.

added 7/1991; 1/1994; eliminated 1/1997

KMHX

Everest Railcar Services, Inc.

7/2020 (not listed)

KMKX

Intercoastal Capital Corp.

added 4/2007; eliminated 10/2011; 7/2020 (not listed)

KMNX

KaMin LLC

added 7/2008; 7/2020

KMTX

Trans Global Solutions Inc.

7/2020 (not listed)

KMUX

Kershaw Manufacting Co.

1/1994-7/2005 (unlisted)

KMWX

KMW Locomotive Leasing, LLC

added 4/2009; eliminated 4/2018; 7/2020 (not listed)

KMX

Rail Connection Inc.

added 1/2017

KNC

Kingcome Navigation

1/1975

KNCX

Koch Nitrogen Co.

added 7/2003; 7/2005; eliminated 10/2009

KNDX

K & D Salvage Co.

added 1/1973; 1/1975; eliminated 4/1976

KNDX

Golden State Metals, Inc.

added 4/1976; 1/1980; eliminated 4/1989

KNDX

KND Rail Services, Inc.

added 1/1997; 7/2000; eliminated 7/2001; 7/2005-7/2020 (unlisted)

KNOR

Klamath Northern Ry. Co.

1/1975-1/1980

KNOX

Knox Metals Corp.

added 1/1996; eliminated 4/1997; 7/2000 (unlisted)

KNOX

Philip Metals, Inc.

added 4/2001; 7/2005

KNWA

Kanawha River Railroad L.L.C.

added 10/2016; 7/2020

KO

Kansas & Oklahoma R.R., Inc.

added 10/2001; 7/2005-7/2020

KOAX

Coca-Cola U.S.A., a Division of The Coca-Cola Co.

added 4/1971; 1/1975-1/1980

KOAX

Coca-Cola U.S.A.

eliminated 10/1987

KOG

Texas and Pacific Railway Co.

1/1975; eliminated 1/1977

KOG

Missouri Pacific Railroad Co.

added 1/1977; 1/1980

KOG

Missouri Pacific System

eliminated 1/1980

KOHX

Kohrs Packing Co.

7/1930-7/1935

KOHX

Fruit Growers Express Co.

7/1937

KOHX

Kohrs Packing Co.
(cars no. 2601-2621) (National Car Co.)

4/1938

KOHX

Kohrs Packing Co.
(cars no. 3100-3150) (Mather Stock Car Co.)

4/1938

KOHX

Fruit Growers Express Co./Mather Stock Car Co.

1/1941

KOHX

Fruit Growers Express Co.

1/1943-4/1947; 1/1950 (unlisted)

KOHX

Aquafil Co., Division of Kohl Enterprises, Inc.

added 7/1962; eliminated 10/1963

KOLX

Kanoky Oil Co. (General American Tank Car Corporation)

8/1920

KOMX

Keystone Oil & Manufacturing Division

7/1923

KOPX

The Koppers Co.

7/1923-7/1935

KOPX

Koppers Co.

7/1937-4/1938

KOPX

Koppers Co., Inc.

1/1941-1/1952

KOPX

National Equipment Leasing Corp.

added 4/1962; 7/1965-1/1975; eliminated 4/1975; 1/1980

KORX

The Kansas Oil Refining Co.

8/1920-7/1923

KOTX

Kanotex Refining Co.

7/1937-4/1938

KOTX

The Kanotex Refining Co.

1/1941-1/1952; eliminated 10/1953

KOTX

Anderson-Pritchard Oil Corp.

added 10/1953; eliminated 7/1954

KPCX

Koppers Products Co.

8/1920; 7/1935

KPCX

Koppers Co.

7/1937-4/1938

KPCX

Koppers Co., Inc.

1/1941-1/1980; eliminated 10/1989

KPCX

Koppers Industries, Inc.

added 10/1989; 1/1994-7/2005; eliminated 7/2016

KPGX

Kentucky Processing Co.

added 1/1997; eliminated 1/1999; 7/2000 (unlisted)

KPLX

Koppel, Inc.

added 10/1979; 1/1980; eliminated 1/1985

KPLX

Agrex, Inc.

added 1/1985; eliminated 1/1988

KPLX

Western Resources, Inc.

7/2000-7/2020; transferred 10/2021

JECX

Evergy, Inc.

added 10/2021

KPPX

Kraton Polymers U.S. LLC

added 10/2001; 7/2005; eliminated 10/2013; 7/2020 (not listed)

KPR

Kelowna Pacific Ry. Ltd.

7/2005-7/2020

KPRX

Crystal Petroleum & Refining Co.

7/1923

KPRX

Kansas Power Co.

1/1945-1/1946

KPRX

Kansas Power Co.,
Division of Western Light & Telephone Co., Inc.

4/1947-1/1950

KPRX

Western Light & Telephone Co., Inc.

1/1952-7/1954; 10/1957-4/1961 (unlisted)

KPX

Kaw Paving Co.

1/1943-4/1961 (unlisted)

KPXX

Electric Fuels Corp.

added 7/1994; eliminated 7/1996

KPXX

Progress Rail Services Corp.

added 7/1996; 7/2000; eliminated 10/2004

KPXX

The Andersons-Rail Group

added 10/2004; 7/2005; eliminated 4/2011

KPXX

The Andersons, Inc.

added 4/2011; 7/2020; eliminated 1/2022

KPXX

American Industrial Transport, Inc.

added 1/2022

KRC

Keewatin Railway Co.

7/2020

KRCX

Merchants Despatch Transportation Corp.
(reporting marks for Keefe Packing Co.)

7/1937-4/1938; 1/1941 (unlisted)

KRCX

R.M. Johnson Co. d/b/a Kimball Railcar Services

eliminated 1/2005

KRCX

R.M. Johnson Co., Inc.

7/2005-7/2020 (unlisted)

KRDX

K.R. D-X Co.

added 7/1967; 4/1970-1/1980; eliminated 4/1988

KRFX

Kraft Foods, a Division of National Dairy Products Corp.

added 7/1958; eliminated 4/1961; added 7/1961; eliminated 1/1962

KRIX

Kyle Rys., Inc.

added 4/1996; eliminated 10/1998

KRIX

General Electric Railcar Services Corp.

added 10/1998; eliminated 1/2000

KRIX

General Electric Rail Services Corp.

added 1/2000; 7/2000-7/2005; eliminated 1/2016

KRL

Kasgro Rail Lines

added 10/2000; 7/2005; added 4/2010; eliminated 7/2010; 7/2020

KRLX

Kingan Refrigerator Line

8/1920-1/1941

KRLX

National Car Co.

4/1947-1/1950

KRLX

Koch Rail, LLC

added 10/2013

KRLX

Keystone Railcar Inc.

7/2020 (not listed)

KRMX

Kerr-McGee Oil Industries, Inc.

added 7/1956; 10/1957-4/1961; eliminated 7/1961

KRMX

Union Tank Car Co.

added 7/1961; 7/1965-4/1970; eliminated 7/1973

KRMX

Kawasaki Rail Car, Inc.

7/2020 (not listed)

KRPX

Associated Electric Cooperative, Inc.

1/1980

KRPX

Associated Electric Cooperative, Inc. (captive service)

1/1994 (unlisted)

KRR

Kiamichi R.R. Co., Inc.

added 1/1988; 1/1994; eliminated 10/1996

KRR

Kiamichi R.R. Co., L.L.C.

added 10/1996; 7/2000-7/2005; eliminated 4/2012; 7/2020

KRS

Katahdin Railcar Services, LLC

7/2020

KRSX

Kurguz Enterprises Inc. d/b/a Kurguz Railway Services

7/2005-7/2020 (unlisted)

KRTX

Kendall Refining Co.

8/1920; 7/1937-4/1938; 1/1946 (unlisted)

KRWX

Kalamazoo Rendering Works, Inc.

1/1945-7/1954

KRWX

Kalamazoo Rendering Works

eliminated 4/1955

KRWX

Kalamazoo Rendering Works, Inc.

added 4/1955; 10/1957; eliminated 10/1959

KRX

The Kettle River Co.

8/1920

KRXX

Knife River Corp. ? South.

7/2020 (not listed)

KSCX

Kentucky Solvay Coke Co.

8/1920

KSCX

Kentucky Solvay Coke Co. (Ashland By-Product Coke Co.)

7/1923

KSCX

Kaiser Steel Corp.

1/1952-7/1954; eliminated 1/1956; added 7/1966; 10/1966-1/1975; eliminated 7/1978

KSCX

KapStone Charleston Kraft, LLC

added 10/2008; 7/2020

KSH

Kinston & Snow Hill Railroad Co., Inc.

7/2020

KSHX

State Highway Commission of Kansas

7/1932-4/1938

KSHX

Kentucky Steam Heritage Corp.

7/2020 (not listed)

KSMX

Kosmos Portland Cement Co.

4/1947 (unlisted); 1/1950-4/1970; eliminated 4/1972

KSMX

The Flintkote Co., Diamond Kosmos Cement Division

added 4/1972; 1/1975; eliminated 4/1976

KSMX

The Flintkote Co., Eastern Cement Region

added 4/1976; eliminated 4/1978

KSMX

The Flintkote Co./Kosmos Cement Division

added 4/1978; 1/1980; eliminated 4/1981

KSMX

Kosmos Cement Co., Inc.

added 4/1981; eliminated 1/1989

KSPX

K+S Potash Canada GP

7/2020 (not listed)

KSRY

Kosciusko & Southwestern Ry.

7/2005-7/2020

KSW

Kansas Southwestern Ry.

added 4/1992; 1/1994-7/2000; eliminated 4/2001

KSW

Central Kansas Ry., Inc.

added 4/2001; eliminated 10/2001

KSW

Kansas & Oklahoma R.R., Inc.

added 10/2001; 7/2005-7/2020

K&T

Kentucky & Tennessee Ry.

7/1923-7/1936

KT

Kentucky & Tennessee Ry. Co.

4/1938-1/1980; eliminated 10/1993; 1/1994-7/2020 (unlisted)

KTCX

Klamath Gas Co.

added 7/1963; 7/1965-1/1975; eliminated 1/1980

KTER

Kingston Terminal R.R. Corp.

added 7/1980; eliminated 10/1980

KTGX

Keystone Tanning & Glue Co.

1/1943-1/1946

KTIX

Korf Transport Corp.

added 7/1975; eliminated 10/1979

KTIX

Georgetown Steel Corp.

added 10/1979; 1/1980; eliminated 1/1981

KTR

Kendallville Terminal Ry. Co.

7/2005-7/2020

KTTX

Trailer Train Co.

added 1/1964; 7/1965-1/1980; eliminated 1/1992

KTTX

TTX Co.

added 1/1992; 1/1994-7/2020

KTX

Keith Tank Line (Keith Ry. Equipment Co.)

8/1920-7/1937

KTX

Keith Ry. Equipment Co.

4/1938-4/1961; eliminated 4/1963

KTX

Shippers' Car Line Division of ACF Industries, Inc.

added 4/1963; 7/1965-1/1975; eliminated 1/1976

KTX

Shippers' Car Line Division, ACF Industries Inc.

added 1/1976; eliminated 7/1978; added 10/1978; 1/1980; eliminated 4/1988

KTX

ACF Industries, Inc.

added 4/1988; 1/1994; eliminated 7/1997; 7/2000-7/2005 (unlisted)

KUCX

Kentucky Utilities Co.

added 7/1976; 1/1980; eliminated 4/1991; added 10/1992; 1/1994-7/2020

KURX

Kuraray America, Inc.

added 1/2015; 7/2020

KV

Kettle Valley Ry. Co.

8/1920-7/1930

KV

Kettle Valley Ry. Co. (Canadian Pacific Ry.)

7/1932

KVPX

KVP Co., Ltd.

1/1950-10/1966; eliminated 4/1967

KVPX

Brown Forest Industries Ltd., a Division of Brown Co.

added 4/1967; eliminated 1/1969 (reporting marks changed to BFIX)

KVR

Kem Valley R.R.

7/2005-7/2020

KV&W

Kansas City, Kaw Valley & Western Ry. Co.

8/1920-7/1923

KV&W

Kansas City, Kaw Valley & Western R.R. (Co.)

7/1930-10/1957

KVW

Kansas City, Kaw Valley R.R. Inc.

4/1961

KWOX

Keen & Wolfe Oil Co.

7/1923

KWT

K.W.T. Ry., Inc.

added 7/1987; 1/1994-7/2020

KWTR

Keota Washington Transportation Co.

added 1/1982; eliminated 1/1984

KWTX

K&W Trucking Co., Inc.

1/1994 (unlisted)

KWUX

Allis-Chalmers Power Systems, Inc.

added 10/1976; 1/1980; eliminated 1/1983

KWUX

Utility Power Corp.

added 1/1983; eliminated 10/1990

KWUX

Siemens Power Corp.

added 10/1990; 1/1994-7/2000; eliminated 4/2001

KWUX

Siemens Westinghouse Power Corp.

added 4/2001; eliminated 10/2004; 7/2005 (unlisted)

KWUX

Siemens Energy, Inc.

7/2020 (not listed)

K&WV

Kanawha & West Virginia R.R. Co. (Kanawha & Michigan Ry.)

8/1920

K&WV

Kanawha & West Virginia R.R.
(New York Central R.R.—Ohio Central Lines)

7/1923

K&WV

Kanawha & West Virginia R.R. (New York Central R.R.)

7/1930

KXHR

Knoxville & Holston River R.R. Co., Inc.

added 10/1998; 7/2000-7/2020

KYCX

Kirby Chemical Co., Inc.

added 7/1953; eliminated 7/1954

KYCX

Kirby Refining Corp.

added 7/1954; 7/1954; eliminated 7/1956

KYKX

Kykenkee, Inc.

7/2020 (not listed)

KYLE

Kyle R.R. Co.

added 4/1982; added 1/1986; 1/1994-7/2005; eliminated 4/2012; 7/2020

KYRX

Louisville Scrap Material Co., Inc.

added 10/1996; eliminated 4/1999

KYRX

Louisville Scrap Material

added 4/1999; eliminated 10/1999

KYRX

Progress Rail Services Corp.

added 10/1999; 7/2000-7/2005; eliminated 10/2010