List of former tractor manufacturers

This is a list of companies that formerly manufactured and / or sold tractors. Some tractor and / or agricultural machinery companies have discontinued manufacturing, or were bought out or merged with other companies, or their company names may have changed.

A

 * Aaron David Co. (Denmark)
 * Abega (Germany)
 * Abenaque (USA)
 * Acam (Denmark)
 * Acason
 * Accord (Greece)
 * ACME (USA)
 * ACO (South Africa)
 * Acremaster (Australia)
 * Adams-Farnham (USA)
 * Adams Husker (USA)
 * Adams Sidehill (USA)
 * ADN (France)
 * Adriatica (Italy)
 * Advance (USA) – purchased by Rumely
 * Advance-Rumely (USA) – purchased by Allis-Chalmers
 * Aecherli (Switzerland)
 * AF France (France)
 * AGCO (USA) – discontinued
 * AGCO-Allis (USA) – renamed AGCO and discontinued; still built in Argentina
 * Agcostar (USA) – part of AGCO Corporation formed from McConnell
 * Agricultural & General Engineers (AGE) (England, UK)
 * Ager (Italy)
 * Agil (Austria)
 * Agra Farmer (Canada)
 * Agracat (USA) – imported
 * Agrale-Deutz (Brazil) – just Agrale now
 * Agria GmbH (Germany)
 * Agrifull (Italy) – purchased by Fiat
 * Agrimeca (Argentina)
 * Agrimotor (USA)
 * Agrip (France)
 * Agri-Power (USA)
 * AGRISA-Bungartz (Brazil) – became Agrale
 * Agritec (Argentina)
 * Agromed (Turkey)
 * Agromet (Poland)
 * A.H. McDonald & Co. (Australia)
 * Ahlborn
 * Aion (Australia)
 * Ajax (USA)
 * Aktivist (Germany)
 * Albaugh-Dover Square Turn (USA)
 * Albion-Cuthbertson – James A. Cuthbertson (Scotland, UK)
 * ALFA (Spain)
 * Alfa Romeo (Italy)
 * Allaeys
 * Alldays & Onions (England, UK)
 * Allgaier (Germany)
 * Alliance
 * Allis-Chalmers (USA) – purchased by AGCO Corporation
 * Allmand (USA)
 * Almacoa (France)
 * Allwork (USA)
 * Alpenland (Germany)
 * Alpina (Switzerland)
 * Alpina-Oekonom (Switzerland)
 * Alu-Trac
 * Amepic
 * American (USA)
 * American (American Tractor Corporation) (USA) – purchased by J.I. Case
 * American-Abell (Canada)
 * American Harvestor (USA)
 * American Steel (USA)
 * American Tractor (USA)
 * Amiot (France)
 * Amog (Italy)
 * Andrews (USA)
 * Andrews-Kinkade (USA)
 * Anfibio (Brazil)
 * Anglo-Thai New Holland (Thailand)
 * Ansaldo-Fossati (Italy)
 * Antigo (USA)
 * Anton Schlüter München (Germany)
 * Apache (Argentina) – now Apache-Solis
 * Appleton (USA)
 * Arator
 * Argo (Italy)
 * Armington, A.P. (USA)
 * Armstrong Siddeley (England, UK)
 * Arnold-Sandberg (USA)
 * ASHTZ (Russia)
 * Assembled
 * Asso
 * Astoa (Spain)
 * Aston Martin (England, UK)
 * Atlas (USA)
 * Aulendorf (Germany)
 * Aulson (USA)
 * Aultman (USA)
 * Aultman & Taylor (USA)
 * Austin (USA)
 * Austin (France / England, UK)
 * Austin-Leyland (Turkey) (BMC Sanayi)
 * Austrak (Australia)
 * Austro (Austria)
 * Austro-Pimus (Austria)
 * Auto Tractor (USA)
 * Automotive (USA)
 * Auto-Tiller (USA)
 * AutoTrac (Canada)
 * Avance (Sweden) – merged into Munktell
 * Aveling – Marshall (England, UK)
 * Aveling & Porter (England, UK)
 * Aveling-Barford (England, UK)
 * Avery (USA) – purchased by Minneapolis-Moline
 * Avia (Spain)
 * Astoa (Spain)
 * Agria (Spain)
 * Agrimont Group
 * Tractors.ae

B

 * B.F. Avery (USA)
 * Babcock & Wilcox (Spain)
 * Babiole (France)
 * Backus (USA)
 * Badley (USA)
 * Baikonur IMT (Kazakhstan)
 * Bailor (USA)
 * Baird (USA)
 * Bajaj Tempo (India) – divested off and renamed Force Motors
 * Baker, A.D. (USA)
 * Baldwin (Australia)
 * Balilla (Italy)
 * Balmar
 * Balram (India)
 * Bambi
 * Bambia
 * Bantam (USA)
 * Banting Machine Co.
 * Barford & Perkins (England, UK)
 * Bariole (France?)
 * Barreiros (Spain)
 * Baskent (Turkey)
 * Bates (USA)
 * Bates Steel Mule (USA)
 * Bauche (France)
 * Bautz (Germany)
 * Bear (USA)
 * Bearcat (USA)
 * Beaver (USA)
 * Beeman (USA)
 * Belazerus (Belarus)
 * Bell, Robert (USA)
 * Belleville (USA)
 * Beltrail (USA)
 * Ben (Italy)
 * Benz-Sendling (Germany)
 * Berliot (France)
 * Bernardin (Argentina)
 * Bertolini (Italy)
 * Besser (USA)
 * Best (USA) – purchased by Holt; became Caterpillar Inc.
 * Bethlehem (USA)
 * Bettinson (United Kingdom) – Ford conversions
 * Bi.Som.Trac (France)
 * Big Bud (USA)
 * Big Bull (USA)
 * Big Four (USA)
 * Big Lizzie (Australia)
 * Bima (France)
 * Birrell (USA)
 * Bischoff (Germany)
 * Bison (France)
 * BJR (Spain)
 * Blackstone & Co (England, UK)
 * Blanc-Plaiche (France?)
 * Blaw-Knox (England, UK)
 * Blumberg (USA)
 * BM Volvo (Sweden) – evolved into the current Valtra, part of AGCO Corporation
 * BMB (England, UK) (British Motor Boats)
 * BMC (England, UK) – from merger of Austin and Nuffield; later became Leyland, finally Marshall (Tractors)
 * Bobbette (USA)
 * Boenker (USA)
 * Bofors (Sweden)
 * Bohrer
 * Bolgar (Bulgaria)
 * Bolinder (Sweden) – merged with Munktell to become Bolinder-Munktell
 * Bolinder-Munktell (Sweden) – merged with Volvo to become BM Volvo / Volvo BM
 * Bolte (USA)
 * Bori (Slovenia)
 * Boring (USA)
 * Borsig (Germany)
 * BOS Hydro-Trac (Netherlands)
 * Boyett (USA)
 * Bradley (USA)
 * Brandt (France)
 * Brasitalia (Brazil)
 * Braud (France)
 * Braun (Germany)
 * Bray (England, UK)
 * Bready (USA)
 * Breda (Italy)
 * Breed (USA)
 * Bristol (England, UK)
 * British-Canadian (USA)
 * British Wallis (United Kingdom)
 * Brockway (USA)
 * Brons (Netherlands)
 * Brown (Australia)
 * Brown (USA)
 * Bruff – Ford conversions
 * Brummer
 * Bryan (USA)
 * BTG (Germany)
 * BTW
 * Bubba (Italy)
 * Bücher (Switzerland)
 * Buckeye (USA)
 * Buffalo
 * Buffalo-Pitts (USA)
 * BUKH (Denmark)
 * Bührer (Switzerland)
 * Bull (USA)
 * Bull Dog (USA)
 * Bulldawg
 * Bull-Madison (USA)
 * Bullock (USA)
 * Bulltra
 * Bungartz (Germany)
 * Bungartz & Peschke (Germany)
 * Bunton
 * Burn-Oil (USA)
 * Burrell (England, UK)
 * Busatto (Italy)
 * BWS

C

 * C. & G. Cooper (USA)
 * C.L. Best (USA)
 * C.O.D. (USA)
 * Caldwell (Australia) – became Caldwell Vale
 * Caldwell Vale (Australia)
 * Calmescri (Brazil)
 * Calsa (Spain)
 * Cameco (USA) – sold to John Deere
 * Cameron (USA)
 * Camisa
 * Campagnolo (Italy)
 * Canadian (Canada)
 * Canadian-American (Canada / USA)
 * CanTRAN
 * Canycom
 * Carter
 * Case Corporation (USA) – purchased by Tenneco, and later merged with International Harvester to become Case IH
 * Case New Holland (India)
 * Case, J.I (USA) – was purchased by Massey-Harris
 * Cassani (Italy)
 * CAST (Italy)
 * Caterpillar (USA) – sold tractor business to AGCO Corp.
 * Cayuga (USA)
 * CBT – Companhia Brasileira de Tratores (Brazil)
 * CDHL (USA)
 * Centaur (USA)
 * Centenario
 * Century (USA)
 * Ceres (France)
 * Ceres (India) – brand of International Tractors (Sonalika)
 * Certified (USA)
 * Chamberlain (Australia) – purchased by Deere & Company
 * Champ (Thailand)
 * Champion (USA)
 * Champion (France)
 * Chase (USA, 1908–1918; Canada, 1919-1921)
 * Chaseside (England, UK)
 * Chery (China) – became Detank, now Zoomlion
 * Cherry (Japan)
 * CIDEF (Argentina)
 * CIMAC (Italy)
 * Citroen (France)
 * Claeys (Belgium)
 * Clarktor
 * Clayson (England, UK)
 * Clayton & Shuttleworth (England, UK)
 * Cleveland Tractor Company/Cletrac (USA) – purchased by the Oliver Corporation in 1944
 * CMC (Argentina)
 * CNC (France)
 * Cobey (USA)
 * Cockshutt Plow Company (Canada) – purchased by White Farm Equipment
 * Cockshutt Hart-Parr (Canada)
 * Codem (The Netherlands)
 * Coleman (USA)
 * Colpron (Canada) – rebadged Landini's
 * Colt (USA)
 * Common Sense (USA)
 * COMPACT Junior (Austria)
 * Conord
 * Consolidated (USA)
 * Continental (USA)
 * Co-op (USA)
 * Co-op (National Farm Machinery) (USA)
 * Co-op Implements (Canada)
 * Cooper
 * Corbitt (USA)
 * Corliss (USA)
 * County (England, UK)
 * Crawley Agrimotor (England, UK)
 * Crystal Zetor (Czech)
 * Csepel (Hungary)
 * CTM
 * Cultivac
 * Cultor (USA)
 * Custom (USA)
 * Cutherbertson – James A. Cuthbertson (Scotland, UK)

D

 * Daimler (Germany)
 * Daimler-Benz (Germany)
 * Dammann (USA)
 * Danhorse (Denmark)
 * Davey Paxman & Co. (England, UK)
 * David Bradley (plowman) (USA)
 * David Brown Ltd. (England, UK) – purchased by Tenneco and renamed Case
 * DECA (Argentina)
 * Deering (USA) – merged with other manufacturers to form International Harvester
 * Defaut (France)
 * Dongfeng (China) – DFAM
 * Detank (China) – now Zoomlion
 * Detroit (USA)
 * Deuliewag (Germany)
 * Deutz (Germany) – merged with Fahr
 * Deutz-Allis (Germany / USA) – formed when Deutz-Fahr bought Allis-Chalmers; purchased by AGCO and became AGCO-Allis
 * Dexheimer (Germany)
 * DF (China)
 * Diana (Greece)
 * DongFangHong (China) – now YTO
 * Doppstadt (Germany)
 * Dragon (USA)
 * Drexler (Austria)
 * Dromson (Germany)
 * Dufuat
 * Durany (Argentina)
 * DUTRA (Hungary)
 * DUTRA Steyr (Hungary)

E

 * Eagle (USA)
 * Ebro (Spain)
 * Ebro-Kubota (Spain)
 * Eclipse (USA)
 * Edwin Alber
 * Eicher (Germany)
 * Eicher Goodearth (India) – became just Eicher
 * Ekip (Turkey) – became Fatih Traktor
 * El Chiquito (Argentina)
 * EMCO (USA) – later Power Horse
 * Emerson (Canada)
 * Emerson-Brantingham (USA)
 * Empire (USA)
 * Enter (Turkey)
 * Enti (The Netherlands)
 * Epple-Buxbaum (Austria)
 * Erickson (USA)
 * Escanuela (Argentina)
 * Euro-Trac (India)

F

 * Fageol (USA)
 * Fahr (Germany) – merged with Deutz to become Deutz-Fahr
 * Falke-trac (Germany)
 * Farm Ette (USA)
 * Farm System
 * Farmall (USA) – by International Harvester
 * Farmár (Czech)
 * Farmaster (USA)
 * Farmcrest (USA)
 * Farmer's Union Co-op (USA)
 * FarmHandy (USA)
 * Farmliner Daedong (Australia) – built in South Korea
 * Farmobile (USA)
 * Farmwell (England, UK)
 * Farquhar, A. B. (USA) – merged into the Oliver Corporation
 * Fatsia (England, UK) – formerly B.Welsh agri
 * Favias (Spain)
 * FBW (Switzerland)
 * FengShou (China) – now Jiangling, part of Mahindra
 * Ferguson (Ireland)
 * Ferguson-Brown (England, UK)
 * Fiat OM
 * Fiat Someca (France)
 * Fiat-Agrifull (Italy)
 * Fiatagri (Italy)
 * Fiat-Goldstar (South Korea) – now LS-New Holland
 * Field Marshall (England, UK) – became Marshall
 * Finn Ursus
 * FNM (Brazil)
 * Foden (England, UK)
 * Ford SAF
 * Ford (USA) – Ford tractor division bought Sperry-New Holland and became Ford-New Holland, now New Holland, part of CNH Industrial
 * Ford-Ferguson (USA)
 * Fordson tractor (USA / England, UK) – by Ford
 * Fordzon-Putilovec (Russia)
 * Forma (Romania)
 * Fortschritt (East Germany)
 * Foton (China) – now Lovol
 * Four Drive (USA) – also known as Fitch Four Drive
 * Four Wheel Traction (England, UK)
 * Fowler (England, UK)
 * Frick (USA)
 * Froehlich (USA) – purchased by Deere & Company
 * Fundinoza (Argentina)
 * Fujian (China)
 * Futian (China) – changed to Foton, now Lovol
 * Futian Leopard (China) – now Foton or Foton Leopard
 * Futian Oubao (China) – changed to Foton, now Lovol
 * Fuyang Tractor (China)
 * Benniu
 * FWD Wagner (USA)

G

 * Galloway (USA)
 * Gambles Farmcrest (USA)
 * Gardner (England or Belgium)
 * Garner (England, UK)
 * Garrett (USA)
 * Garrett (England, UK) – steam tractors and showmen's engines
 * Gaar-Scott (USA)
 * GBT (USA)
 * GEDA (Romania)
 * GeDe (The Netherlands)
 * Geiser (USA)
 * General (USA)
 * General (England, UK)
 * George (USA)
 * Giaguaro (Italy)
 * Gibbons & Robinson
 * Gibson Mfg. (USA)
 * Gilson (Canada)
 * Glasgow (England, UK)
 * Global (USA)
 * GMW (Sweden)
 * GoldStar (South Korea) – later LG; now LS
 * Graham-Bradley (USA)
 * Gray Tractor Manufacturing Co. (USA)
 * Greaves (India) – later SAME Greaves
 * Greyhound (USA)
 * Griffin (USA)
 * Grissly
 * Grossi (Argentina) – now T&M Grossi
 * Grossi Migra (Argentina) – now T&M Grossi
 * Gualdi (Italy)
 * Güldner (Germany) – later part of Linde
 * Gulliver (Italy) – now SEP
 * Guthelfer (Spain)

H

 * Haas (USA)
 * Hahn-Eclipse (USA)
 * Hanomag (Germany)
 * Hanomag-Barreiros (Spain)
 * Hanzi (China)
 * Happy Farmer (USA)
 * Harrison Machine Works (Belleville, Illinois, USA)
 * Hart-Parr (USA) – merged into the Oliver Farm Equipment Company in 1929; purchased by Oliver Corporation
 * Hattat Agricultural Engines (Turkey)
 * Hatz (Germany)
 * Hefty (USA)
 * Heider (USA)
 * HELA (Germany)
 * HEMOS
 * Herriau
 * Hesston (USA) – tractors were part of Fiat; hay equipment and name purchased by AGCO
 * Highlander (England, UK) – specialist forestry conversions
 * Hindustan (India) – now MGTL
 * Hinomoto (Japan) – acquired by Hitachi and renamed Tierra
 * Hitachi (Japan)
 * Hittner (Croatia)
 * HMT (India)
 * Hofherr HSCS (Germany)
 * Hofherr-Schrantz (Hungary)
 * Holder GmbH (Germany)
 * Holt Manufacturing Company (USA) – merged with Best to form the Caterpillar Tractor Company
 * Homesteader (USA) – Clinton, AR – garden tractors
 * Homier Farm-Pro (USA)
 * Honda (Japan)
 * Richard Hornsby & Sons (England, UK)
 * Horwood Bagshaw (Australia)
 * Howard (Australia) – tractor, rotavators and rotary tillers
 * Howard Farmers (England, UK)
 * HOYO (Romania) – assemble Tai Shan
 * HSCS (Hungary)
 * Huber (USA)
 * Hume (USA)
 * Hydratiller (USA)
 * Hyundai (South Korea)

I

 * IAR (Romania)
 * IFA (Germany)
 * Illinois (USA)
 * IMA (Argentina)
 * Imor (Brazil)
 * Imperial Machine Co. – established 1902 (Minnesota, USA)
 * Imperial (Australia)
 * Imperial Super Drive (Canada)
 * Indo Farm (India)
 * Industrija Motora Rakovica (IMR) (Serbia)
 * Intercontinental (USA)
 * International Harvester (Australia)
 * International Harvester (USA) – agriculture division sold to Tenneco and merged with Case to form Case IH in 1985
 * International TOE (Turkey) – licensed IH
 * Is Bora (Turkey) – Shibauara
 * Ishikawajima-Harima (Japan) – now Shibaura
 * Isoto (Turkey) – license Tuber
 * ITC (USA)
 * Ivel (England, UK) – invented by Dan Albone

J

 * J & H Howard
 * Jackson (USA)
 * JDS (Germany)
 * Eicher
 * Valtra Eicher
 * Jeep (USA)
 * Jela
 * Jelbart (Australia)
 * Jiangling (China)
 * John Blue (USA)
 * John Deere Hattat (Turkey)
 * John Deere Lanz (Germany) – formerly Heinrich Lanz AG, originally Heinrich Lanz Company
 * Johnston (Sweden / France)
 * Juling (China)
 * Jumbo (USA)
 * June (Sweden)
 * JWD (United Kingdom)

K

 * Kaelble (Germany)
 * Karl Blank (Germany)
 * KBZ (Russia)
 * Keck-Gonnerman
 * Kelkel (Germany)
 * Kelly & Lewis (Australia)
 * Kelpie (England, UK)
 * Kemna
 * KHD (Austria)
 * Kínai
 * Kirloskar (India)
 * Kirov Plant (Russia)
 * Kirschmann (USA)
 * Kitten (USA)
 * Kiva (France)
 * Knudson (USA)
 * Kodiak (USA)
 * Kögel (Germany)
 * Kolomenec (Russia)
 * Komatsu (Japan)
 * Komatsu International (Japan)
 * Kommunar (USSR)
 * Komnick (Germany)
 * Koni
 * Köpfli (Switzerland)
 * Koyker
 * Kramer (Germany) – merged with Neuson, who then merged with Wacker AG
 * KTMCO (Iran / Kurdistan) – subsidiary of ITMCO
 * Krasser (Austria)
 * Kuhnhausen (Germany)
 * Kullervo (Finland)
 * Kullmo (Sweden)
 * Kulmus (Germany)
 * Kumiai (Japan)
 * Kunow (USA)

L

 * L&T – John Deere (India) – joint venture, bought out by Deere & Company
 * Labourier (France)
 * Lamborghini (Italy) — tractors were the original product of the current Lamborghini supercar company
 * Landhope (Japan) – by Iseki
 * Landleader (Japan) – by Iseki
 * LandTrac (USA) – by Long
 * LANZ (Germany) – original brand name of Heinrich Lanz AG, bought out in 1956 by John Deere owner Deere & Company
 * Latil (France)
 * Lauer (Germany?)
 * Lauson (USA)
 * Le Percheron (France)
 * Le Pratique (France)
 * Le Robuste (France)
 * Legras (France)
 * Lehr's Big Boy (USA)
 * Lely Multipower (USA)
 * Lely (The Netherlands)
 * Lenar
 * Leo Rumely (USA)
 * LeRoi (USA)
 * LESA (Italy)
 * LeTourneau (USA)
 * Leyland (England, UK) – later Marshall
 * LG (South Korea) – now LS
 * LG-Fiat (South Korea) – now LS-New Holland
 * LG Montana (USA) – now Montana
 * LG-New Holland (South Korea) – now LS-New Holland
 * LHB (Germany)
 * Liaz (Czech)
 * Liberty (USA)
 * Lightforce Deluxe
 * Lightforce Tractore
 * Linn maker of the Linn tractor – Republic Motor Truck Company (USA)
 * Lioness (England, UK)
 * Lister (England, UK)
 * Li-Trac (Germany)
 * Little Giant (USA)
 * Loiseau (France)
 * Loko-Mobil
 * Long (USA)
 * LongAgri (USA)
 * LS Mtron (South Korea)
 * LTS (Germany)
 * Luoyang Fiat (China)
 * LUX-TRAC (Luxembourg)
 * Luzhong (China)

M

 * M.R.S. (USA)
 * MacLaren
 * Macrosa (Argentina)
 * Madson (USA)
 * Mahindra & Manhindra (India)
 * Malkotsis (Greece)
 * Malcus (Sweden)
 * Malves (Brazil)
 * Malyshev Factory (USSR)
 * MAN (Germany)
 * Mancini (Argentina)
 * Mann's Patent Steam Cart and Wagon Company (England, UK)
 * MAP (France)
 * Marshall, Sons & Co. (England, UK) – builders of Field Marshall brand
 * Marshall Tractors (England, UK) – formerly Leyland tractors
 * Martin (Germany)
 * Martin Diesel (Slovak)
 * Massey-Harris (Canada)
 * Massey-Harris-Ferguson (Canada)
 * Matbro (England, UK)
 * Mathis-Moline (France)
 * Maverick (USA)
 * Maxion (Brazil) – backhoes still built using name
 * Maxitrac
 * McConnell (Canada) – sold to AGCO Corporation, later AgcoStar
 * McCormick (USA) – merged with others to form International Harvester
 * McCormick-Deering (USA) – by International Harvester
 * McCormick TOE (Turkey) – licensed IH
 * McDonald (Australia)
 * McKee Ebro (Canada)
 * McLaren (England, UK) – see J&H McLaren & Co.
 * MDW-Fortschritt (East Germany)
 * Mecavia (France)
 * Medved (Russia)
 * MeMo (USA)
 * E. Meili Traktorenfabrik (Switzerland)
 * Mercer (USA)
 * Metis (Slovak)
 * MIAG (Germany)
 * Millennium (USA)
 * Minneapolis (USA) – merged with Moline Plow to form Minneapolis-Moline
 * Minneapolis-Moline (USA) – purchased by White Farm Equipment
 * Minneapolis-Moline Türk Traktör (Turkey)
 * Minnesota (USA)
 * Moffett (Ireland)
 * Mogul (USA)
 * Moline Plow Company (USA) – merged with Minneapolis to form Minneapolis-Moline
 * Monarch (USA) – purchased by Allis-Chalmers
 * Montana (USA)
 * Montana LS (Brazil)
 * Montana Solis (Brazil)
 * Morris-Leyland (Turkey)
 * Motocultores Pasquali (Spain)
 * Motoyuyera (Argentina)
 * Motrac Werke AG. 1937–1969 (Switzerland)
 * Motransa (Spain)
 * Mountain State (USA)
 * Mt. Super (Slovakia)
 * MTW (Germany) – Ritscher
 * Muir-Hill (England, UK)
 * Müller (Brazil)
 * Munktell (Sweden) – merged with Bolinder to form Bolinder-Munktell
 * MVM (Russia)
 * MWM (Motoren Werke Mannheim AG) (Germany)
 * Myth-Holm (England, UK) – formerly Muir-Hill

N

 * Nallahay
 * NanYue (China)
 * Naughton (Australia)
 * Nedalo (Netherlands) – Ford conversions
 * Nelson (USA)
 * New Holland Agriculture (USA)
 * New Holland Tractors (India)
 * Newman (England, UK)
 * Nibbi (Italy)
 * Nichols & Shepherd (USA) – merged to form Oliver Farm Equipment Company in 1929
 * Nordtrak (Germany)
 * Normag (Germany)
 * North Land (USA)
 * Northrop (England, UK)
 * Northwest (USA)
 * Nuffield (England, UK) – later Leyland, and then Marshall Tractors
 * Nuffield Morris (Turkey)

O

 * O&K / Orenstein and Koppel (Germany)
 * Oliver (USA)
 * Oliver Farm Equipment Company (USA)
 * Oliver Corporation (USA) – purchased by White Farm Equipment
 * Oliver Cletrac (USA)
 * Oliver Hart-Parr (USA)
 * OM (France)
 * OMP (Italy)
 * One Man Motor Plow (Canada)
 * Orsi (Italy)
 * Oak Tree Appliances (OTA) (England, UK)
 * OTO (Odero Terni Orlando) (Italy)
 * Ottawa (USA)
 * OUTZ

P

 * PAL (USA)
 * Panda
 * Panther (India)
 * Panzer (USA)
 * Paramount (USA)
 * Parca
 * Parrett (USA)
 * Pasco (Brazil)
 * Pavesi (Italy)
 * Pavesi-Tolotti (Italy)
 * Peerless (USA)
 * Perkis (Turkey) – based on Ursus
 * Perl (Austria)
 * Petropoulos (Greece)
 * PGS (Italy)
 * Phillips (Australia)
 * Phoenix (Australia)
 * Pillman (South Africa)
 * Pioneer (China)
 * Planet, Jr (USA)
 * Platten (Germany)
 * Plymouth (USA) – became Silver King
 * PMA (Algeria) – now Cirta
 * Pöhl (Germany)
 * Pollack (Argentina)
 * Polytrac (Switzerland)
 * Porsche (Germany)
 * Port Huron (USA)
 * Power Track
 * Power-Horse (USA)
 * Power King (USA)
 * President (England, UK) – designed by BMB (British Motor Boats)
 * Price (USA)
 * Primul (USSR)
 * Primus (Germany)
 * Profintern (USSR)
 * PTZ (Kazhakistan)
 * Punjab (India)

Q

 * Quaker Mule (USA)
 * Quattrino
 * Quincy (USA)

R

 * RÁBA (Hungary)
 * RÁBA-Steiger
 * Randi (Italy)
 * Ransomes, Sims & Jefferies (England, UK)
 * Rapid (Spain)
 * RATAR (Yugoslavia)
 * Rayes (USA)
 * Raygo Wagner (USA)
 * Record (Greece)
 * Red Star
 * Reeves (USA)
 * Rein Drive (Canada)
 * Remington (USA)
 * Renault Agri (France) – purchased by Claas in 2003
 * Renault Sonalika International (RSI) – (Mauritius / India)
 * Rhino International (USA)
 * Rice (USA)
 * Richard Continental (France)
 * Richter (Australia)
 * RIMAS (Denmark) – Ford conversions
 * RIP (France)
 * Rite (USA)
 * Ritscher (Germany)
 * Roadless (England, UK)
 * Robey (England, UK) – steam tractors
 * Rock Island (USA) – purchased Heider, was then purchased by Case
 * Rockol (USA)
 * Rogers (USA)
 * Rogowski (Brazil)
 * Rohff (France)
 * Röhr (Germany)
 * ROLA (Sweden)
 * Rollo (Denmark)
 * Rombel (Romania)
 * Rome (USA)
 * Ronaldson Tippett (Australia)
 * Roux
 * Rotania (Argentina)
 * Roths Industries (USA)
 * Royal (Germany)
 * Rubine (Italy)
 * Rumely (USA)
 * Ruris (Romania)
 * Ruston (England, UK)
 * Ruslan (Argentina)
 * Russell & Company (Steam Tractor) - American(USA)
 * Ruston & Hornsby (England, UK)
 * Ruston, Proctor and Company (England, UK) – steam tractors
 * RYCSA (Argentina)

S

 * S.A.M.A. Renault (Spain)
 * S.W.Wood (USA)
 * Sabatier (France)
 * SAME (Italy) – taken over by Deutz-Fahr
 * SAME Greaves (India) – a joint venture, wholly purchased by Same Deutz-Fahr
 * Samson (USA)
 * Sandusky (USA)
 * Santa Matilde (Brazil)
 * Satoh (Japan) – merged with Mitsubishi
 * Saukville (USA)
 * Saunderson (England, UK)
 * SAVA-Nuffield (Spain)
 * Savatrac (Iran)
 * Scemia (France)
 * Schilter (Switzerland)
 * Schindler (Germany)
 * Schluter (Germany)
 * Schneider
 * Schramm (USA)
 * Scott (USA)
 * Scientific Farming Machinery Company (USA)
 * Selene (Italy)
 * Sepa (Italy)
 * Shakti (India)
 * Shaw (USA)
 * Shire
 * Siaco (Italy)
 * SIFT (France)
 * Silvatec (Denmark)
 * Silver King (USA)
 * SIMAR-Bodenfräse (Switzerland)
 * Simpac Trak (Italy)
 * Simpson Jumbo (USA)
 * Sirio (Italy)
 * Škoda (Czech)
 * SLC – John Deere (Brazil) – a joint venture, wholly purchased by Deere & Company
 * SM
 * Smallholder (England, UK)
 * Société Française de Vierzon (France) – purchased by Case
 * Solis Brasil (Brazil) – now just Solis
 * Someca (France) – purchased by Fiat
 * Sonalika International (India)
 * Speedy
 * Squire (Australia)
 * Steiger (USA) – purchased by Case
 * Steinbock (Austria)
 * Sterling (Canada)
 * Steyr-Nigeria (Nigeria)
 * Store (Yugoslavia)
 * Stotz (Belgium)
 * Strong
 * Sultan (Turkey)
 * Sunshine (Australia)
 * Sunshine (Kubota) (Japan)
 * Sunshine Massey Harris (Scotland, UK / Australia)
 * Superson
 * Sutcliff
 * Svedala (Sweden)
 * Svoboda (Czech)
 * Swed-Trac (Sweden)
 * Standard (India)

T

 * TAISSA (Spain)
 * Takra (Finland)
 * TAS (USA / Germany) – also sold as MeMo
 * Tasker
 * Taylor (USA)
 * Terra Power
 * Terratrac (USA) – crawler tractors built by American Tractor Company; purchased by J.I. Case
 * TESA (Spain)
 * Thieman (USA)
 * (USA) – renamed
 * Thorobred (USA)
 * TianTuo (China)
 * Tidaholms (Sweden)
 * Tiger (USA)
 * Tiger (China)
 * Tiger (Ranger) (Japan)
 * TigerTrac (USA)
 * Tirador (Argentina)
 * Titan (USA)
 * Titan (Steiger) (USA)
 * Titano (Italy)
 * Titus (Germany)
 * TMO (Brazil)
 * Tobatta (Brazil)
 * Toft (Australia)
 * Tolpar (Russia)
 * Tom Moore (USA)
 * Toma Vinković (Croatia) – now TTB
 * Toos (Iran)
 * Torpedo (Croatia)
 * Torpedo Deutz (Croatia)
 * Tortone (Argentina)
 * TracZa (Argentina)
 * Track Marshall (England, UK)
 * trac-technik (Germany)
 * Tractocoop (France)
 * Tractomade (Argentina) – licensed by Pauny
 * TMZ Zanello (Argentina)
 * Zanello (Tractomade)
 * Tractor Supply Co. (USA)
 * Tractormobile (USA)
 * Tratoretto (Brazil)
 * Tractors and Farm Equipment limited [TAFE] (India)
 * Tractorul UTB (Romania) – in receivership in 2007
 * Titan
 * Universal UTB
 * Triunfo (Argentina)
 * Trojan (USA)
 * Trusty (England, UK)
 * TTB (Croatia) – now Prima and Hittner
 * TUR (Poland)
 * Turf Boss
 * TurkFiat (Turkey) – now New Holland
 * Turner (England, UK)
 * Twin City tractors (USA) – merged to become Minneapolis-Moline
 * Twister (USA)

U

 * U.T.B. (Romania) – now Universal UTB
 * Uncle Sam (USA)
 * Unigraf Lupo (Argentina)
 * United (USA)
 * UniTrak (Germany)
 * Universal (USA) – built in Ohio
 * UPD
 * Upton (Australia)
 * Ursus Hellas (Greece)
 * Ursus Italtractor (Italy)
 * Urtrak (Germany)
 * Utos (Romania)
 * Uzel (Turkey)

V

 * Valmet (Finland) – now Valtra
 * Valor (France)
 * Valtra Valmet (Finland) – now Valtra
 * Valtrac (France)
 * Vandezande (Belgium)
 * Vanguard (USA)
 * Variotrac (France)
 * Vassalli (Argentina)
 * Vellino (Spain)
 * Vendeuvre (France) – purchased by Allis-Chalmers
 * Verion (Argentina)
 * Versatile (Canada) – purchased by Ford, now owned by RostSelMash
 * Vevey tractors (Switzerland)
 * VeWeMa (Germany)
 * Vick (Brazil)
 * Victor (Japan)
 * Vierzon (France) – purchased by Case
 * Vittorio Cantatore (Italy)
 * Vladimir Factory (Russia)
 * Volgograd Tractor Factory (Russia)
 * Volvo (Sweden) – merged with Bolinder Munktells, now Valtra
 * Volvo BM (Sweden) – now Volvo Construction Equipment
 * Volvo BM Valmet (Harvesters) (Sweden) – now Valtra

W

 * WACO (Austria)
 * Wagner (USA)
 * Wallis (USA) – purchased by Massey-Harris
 * Wallis & Stevens (USA)
 * (England, UK) – steam tractor (note odd spelling of name)
 * Waltanna (Australia)
 * Walter Barrett (USA)
 * Wards (USA)
 * Warrior (Italy)
 * Waterloo Boy (USA) – purchased by John Deere owner Deere & Company
 * Waterloo (Canada)
 * Weber (USA)
 * Webfoot (USA)
 * Welte
 * Werner (Germany)
 * Wesseler (Germany)
 * Western (USA)
 * Wheel Ox (USA)
 * White (USA) – purchased by AGCO Corporation
 * White Oliver (USA)
 * Whiting-Bull (USA)
 * Wikov (Czech / USA) – certain products now manufactured by Wisconsin Engineering
 * WildCat (USA)
 * Williames (Australia)
 * Winget (Australia)
 * Winget (United Kingdom) – noted for site dumpers and plant (was part of Babcock & Wilcox for a time)
 * Wisconsin (USA)
 * Wm Allchin (England, UK)
 * Wood Brothers (USA)
 * Woods & Copeland (USA) – purchased by Rome
 * Woody
 * Worthington Mower Company (USA)
 * Wright (South Africa)

X

 * Xiamen Xiagong Group (China)
 * Sahm
 * Xiagong
 * Xinhu (China)

Y

 * Yankee (USA)
 * Yewers (Australia)

Z

 * Zadrugar (Yugoslavia)
 * Zanello (Argentina)
 * Zanello (Maquinarias) (Argentina) – now Zanello (CMZ)
 * Zanello (Pauny) (Argentina) – now Pauny Rino
 * Zaporozhec (Ukraine)
 * Zebra (USA)
 * Zetor (Czech) – with Zetor Crystal built in Poland by Ursus
 * ZTS (Slovak)