List of aircraft engine manufacturers

ABC Motors (UK )
ADC (UK )
Aero Adventure Aviation (U.S. )
Aerojet (U.S. )
Aeromarine (U.S. )
Aeronca (U.S. )
Aerosport (U.S. )
Agusta (Italy )
Air Cooled Motors (U.S. )
Airdisco (UK )
Alfa Romeo (Italy )
AlliedSignal (U.S. )
Allison Engine Company (U.S. )
Alvis (UK )
Antoinette (France )
Argus (Germany )
Armstrong Siddeley (UK )
Aspin (UK )
Austro (Daimler)
Avia (Czechosloviaka )
Aviadvigatel (Russia )
Beardmore (UK )
Bentley (UK )
Benz (Germany )
BHP (UK )
Blackburn (UK )
BMW (Germany )
Boeing Air Company (U.S. )
Bramo (Germany )
Bristol Engine Company (UK )
Bristol Siddeley (UK )
British Anzani Engine Company (UK )
Bücker (Germany )
Buick (U.S. )
Carden (UK )
Centurion (Germany )
Chevrolet (U.S. )
Chrysler (U.S. )
Cirrus (UK )
Clerget (France )
CNA (Italy )
Colombo (Italy )
Commonwealth Aircraft Corporation (Australia )
Continental Motors (U.S. )
Coventry Climax (UK )
Coventry Victor (UK )
Curtiss (Wright)
Curtiss Aeroplane and Motor Company (U.S. )
Daimler (Benz)
de Havilland (UK )
D. W. Onan (U.S. )
DeltaHawk (U.S. )
Douglas (UK )
CitiGlobalConnection (India )
Electric Company (? )
Elizalde (Spain )
Engine Alliance (U.S. )
Fairchild (?? )
Farman Aviation Works (France )
Fiat (Italy )
Ford Motor Company (UK )
Ford Motor Company (U.S. )
Franklin Engine Company (U.S. )
Garrett AiResearch (U.S. )
Gas Turbine Research Establishment (India )
GE (Aviation)
GE Honda Aero Engines (U.S. )
German Aircraft GmbH (Germany )
General (U.S. )
General Motors (U.S. )
Glushenkov (Russia/Soviet Union )
Gnome (France )
Gnome et Rhône (France )
Green (UK )
Guiberson (U.S. )
Hall (Scott)
Heinkel (Hirth)
Hindustan Aeronautics (India )
Hirth (Germany )
Hiro Naval Arsenal (Japan )
Hispano (Suiza)
Hispano (Suiza)
Hitachi (Japan )
Honeywell (U.S. )
IA (Argentina )
Ishikawajima (Harima Heavy Industries)
Isotta (Fraschini)
Ivchenko (Russia/Soviet Union )
Jacobs (U.S. )
Junkers (Germany )
Jabiru (Australia )
Kawasaki Heavy Industries (Japan )
Ken Royce (Kansas City)
Kinner (U.S. )
Klimov (Russia/Soviet Union )
Klöckner (Humboldt)
Kuznetsov (Russia/Soviet Union )
Lambert (France )
Lawrance (U.S. )
Le Rhône (France )
Leblond (U.S. )
LHTEC (U.S. )
Liberty Engines (U.S. )
Limbach Flugmotoren (Germany )
LMC (China )
Lorraine (France )
Lotarev (Russia/Soviet Union )
Lycoming (Avco) (U.S. )
Lyul'ka (Russia/Soviet Union )
Maybach (Germany )
McCulloch Motors (U.S. )
Mercedes (Germany )
Menasco Manufacturing Company (U.S. )
Metropolitan (Vickers)
Microturbo (Italy )
Mileage Unlimited Inc. (U.S. )
Mitsubishi Heavy Industries (Japan )
Motorenfabrik Oberursel (Germany )
Motor (Sich)
Motorlet (Czech Republic )
MTR (MTU/Turbomèca/Rolls (Royce) (European) )
MTU Aero Engines (Germany )
Nakajima Aircraft Company (Japan )
Napier & Son (UK )
Nickel Company (?? )
Noel Penny Turbines (UK )
Orenda (Canada )
Otto (Flugzeugwerke – Germany )
Otto Flugmaschinenfabrik (Germany )
Packard (U.S. )
Piaggio (Italy )
Piaggio (Lycoming (United States and Italy) )
Pobjoy Airmotors (UK )
Polish Engines (Poland )
Power Jets (UK )
Praga (Czech Republic )
Praha (Jinonice)
Praha (Liben)
Pratt & Whitney Canada (Canada )
Pratt & Whitney (U.S. )
PZI (Poland )
PZL (Poland )
Rajay Turbocharges (Long Beach)
Ranger (U.S. )
Rapp (Motorenwerke GmbH)
Reaction Motors (U.S. )
Reid Gas Engine Co (U.S. )
Renault (France )
Ricardo (Halford)
Rhone (France )
Righter (U.S. )
Riley (U.S. )
Rockwell (U.S. )
Rolls (Royce North America)
Rolls (Royce)
Rotax (Austria )
Rotec Engineering (Australia )
RotorWay International (U.S. )
Royal Aircraft Factory (UK )
Saab (Sweden )
Sabrina (U.S. )
Salmson (France )
SCEMM (France )
Schmidding (Germany )
Scott (UK )
Shenyang (China )
Shvetsov (Russia/Soviet Union )
Siddeley (UK )
Siemens AG (Germany )
Siemens (Halske)
Skoda Works (Czech Republic )
Snecma Moteurs (France )
Solar Saturn Turbines (?? )
Soloviev (Russia/Soviet Union )
SPA (Italy )
Studebaker (U.S. )
Sunbeam (UK )
Svenska (Sweden )
Szekely Aircraft & Engine Co. (U.S. )
Techspace Aero (Belgium )
Teledyne Continental Motors ( Inc.)
Thielert (Germany )
Tokyo Gasu Denki (Japan )
Trace Engines (USA )
Train (France )
Tumansky (Russia/Soviet Union )
Turbomèca (France )
Turkish Aerospace Industries (Turkey )
Turbo (Union)
ULPower Aero Engines (Belgium )
Volvo Aero (Sweden )
Velie Motors Corporation (US )
Walter (Germany )
Walter Engines (Czech Republic )
Warner Aircraft (U.S. )
Westinghouse (U.S. )
Williams International (U.S. )
Wolseley Motors Ltd. (U.S. )
XAE (China )