3I, Iniziative Industriali Italiane – Italy
3Xtrim Aircraft Factory (Zaklady Lotnicze 3Xtrim Sp z oo) (Poland) – From Wytwórnia i Naprawa Konstrukcji Lekkich 1999, currently operational

Aachen Flugzeugbau (Germany) – founded 1914, renamed Aachener Segelflugzeugbau in 1921
Abrams Air Craft Corporation (US), formed 1937, defunct 1940
ABS Aerolight, Sérignan-du-Comtat, France
ABS, ABS Aircraft – Germany, (1985–?)
ABS, ABS Aircraft AG – Switzerland, (1985–?)
AC Mobil 34, AC Mobil 34 – France
ACAZ – Ateliers de Construction Aéronautique de Zeebruges, Belgium
ACBA, Aéro Club de Bas Armagnac – France
Ace, Ace Aircraft Manufacturing and Supply – United States
Ace, Ace Aircraft Manufacturing Company – United States, (1929–1931) > Corben Aircraft Company
Ace, Ace Aircraft Manufacturing Inc – United States
Aceair, Aceair SA – Switzerland
Aces High, Aces High Light Aircraft Ltd – Canada
ACS, Advanced Composites Solutions – United States
ACME, Air Craft Marine Engineering – United States, (1954–?)
Airdale Sportplane and Supply, Rhinelander, Wisconsin, United States
Airo Aviation, Ras Al Khaimah Free Trade Zone, United Arab Emirates
Acme, Acme Aircraft Corp – United States, (1929–?)
Acro Sport, Acro Sport Inc – United States, (?-present)
AD Aerospace, AD Aerospace Ltd – United Kingdom
ADA, Aeronautical Development Agency – India, (1984–present)
Aero Nord, Lorgies, and later Bénifontaine, France
Adam (1), Roger Adam – France, (1948–1955)
Adam (2), Adam Aircraft Industries LLC – United States, (1998, defunct 2008) (AAI)
Adamoli-Cattani, Adamoli-Cattani – Italy
Adams Aero, Adams Aeronautics Company, Inc – United States
Adams, Adams Industries Inc – United States
Adams-Toman, Adams-Toman Aircraft Co – United States
Adams-Wilson, Adams-Wilson Helicopters Inc – United States

Adaro, Adaro – Spain
ADC Aircraft, Aircraft Disposals Company – United Kingdom, (1920–1930)
Adcox, Adcox Aviation Trade School – United States
Adkisson, Earl and Jerry Adkisson – United States
Adler, Adler (Adlerwerke vorm Heinrich Kleyer) – Germany, (1934–?)
Admiralty, British Admiralty Air Department – United Kingdom, (AD)
Advanced Aerodynamics and Structures, Inc. (AASI) (US) – founded 1989, renamed to Mooney Aerospace Group in 2002
Advanced Aeromarine, Advanced Aeromarine – United States, > Keuthan Aircraft
Advanced Aircraft Corporation (AAC) – United States
Advanced Amphibious Aircraft (AAA) – Germany/Italy, (1988–1994)
Advanced Aviation, Advanced Aviation Inc – United States
Advanced Soaring Concepts, Advanced Soaring Concepts – United States
Adventure Air, Adventure Air – United States
Adventure SA, Méré, Yonne, France
AD-Y, Antonov Dnipropetrovsk-Pivdenmash – Ukraine
Aequs, Aequs Aerospace – India
AEA, Aeronautical Engineers Australia Research Pty Ltd – Australia, (1978–present)
AEA, Aerial Experiment Association – Canada, (1907–1909) > Curtiss Aeroplane and Motor Company
AEC, Aircraft Engineering Corp – United States
AEG, Allgemeine Elektrizitäts-Gesellschaft – Germany, (1910–1918) (General Electricity Company)
AEKKEA-RAAB, AEKKEA – Greece (1935–1940)
AER, Aer Aircraft Corp. – United States
Aer Lualdi, Aer Lualdi & C SpA – Italy
Aer Pegaso, Aer Pegaso – Argentina
Aerauto, Aerauto – Italy, (1950–1953)
Aereon, Aereon – United States, (1967–?)
Aerfer, Aerfer-Industrie Aerospaziali Meridionali SpA – Italy, (1955–1969) > Aeritalia
Aerfer, Aerfer-Industrie Meccaniche Aeronautiche Meridionali SpA – Italy
Aerfer-Aermacchi, see AERFER and AERMACCHI – Italy
Aerial Distributors, Aerial Distributors – United States, (1967–?)
Aerial Service Corporation, Aerial Service Corporation – United States, (1920–?) > Mercury Aircraft
Aériane, Aériane – Belgium
Aeritalia, Aeritalia-Società Aerospaziale Italiana pA – Italy, (1969–1981) > Alenia Aeronautica
Aeritalia-Aermacchi, see AERITALIA and AERMACCHI – Italy
Aermacchi, Aermacchi SpA – Italy, (1913–present)
Aermatica Spa, Italy, (2008–present)
'Aermacchi, Aeronautica Macchi SpA – Italy
Aero (1), Aero Design and Engineering Company – United States, (1944–1960) > Rockwell
Aero (2), Aero Vodochody AS – Czech Republic, (1994–present)
Aero (2), Aero Vodochody Národní Podnik – Czechoslovakia/Czech Republic, (1919–1994)
Aero (3), Aero Sp z oo – Poland
Aero Adventure, Aero Adventure Inc – United States
A.E.R.O. Aircraft Services, LLC, United States – manufacturer of Lake amphibian aircraft
Aero Boero, Aero Boero SA – Argentina, (1952–present)
Aero Boero, Aero Boero SRL – Argentina
Aero Boero, Aero Talleres Boero SRL – Argentina
Aero Bravo, Aerobravo Industria Aeronautica Ltda – Brazil, (1993–present)
Aero Commander, Aero Commander Inc – United States
Aero Composites, Aero Composites – United States
Aero Design Associates – United States
Aero Designs, Aero Designs Inc – United States
Aero Gare, Aero Gare – United States
Aero Jaen, Aeronautica de Jaen – Spain
Aero Kuhlmann, Aero Kuhlmann – France
Aero Mercantil, Aero Mercantil SA – Colombia
Aero Mirage, Aero Mirage Inc – United States
Aero Mod, Aero Mod General – United States
Aero Resources – US
Aero Spacelines, Aero Spacelines Inc – United States, (1961–1974) > Tracor
AeroCad, AeroCad Inc – United States
Aero-Cam, Aero-Cam Pty Ltd – (South Africa)
Aerocar, Aerocar Inc – United States
Aerocar International, Aerocar International – United States, (1945–1961)
Aérocentre, Société Nationale de Constructions Aéronautiques du Centre – France, (SNCAC)
Aerochute International, Coburg North, Victoria, Australia
Aero-Club, Aero-Club der Schweiz – Switzerland
Aerocomp, Aerocomp Inc – United States
Aero-Composites, Aero-Composites Technologies Inc – United States
Aero-Craft, Aero-Craft – Unknown
Aero-Difusión, Aero-Difusión SL – Spain (1955– )
Aérodis, Aérodis SARL – France
Aero-Flight, Aero-Flight – United States
Aerion Corporation – United States
Aero-Jodel, Aero Flugzeugbau Hubert Zuerl – Germany
Aerokopter, OOO Aerokopter – Ukraine
AeroLites, Aerolites Inc – United States
Aeromarine, Aeromarine Plane and Motor Co. – United States, (1908–1935) (Prior to 1914 was the Boland Aeroplane and Motor Co.) > Burnelli
Aeromarine-LSA, South Lakeland Airport, Florida, United States
Aeromere, Aeromere SpA – Italy
Aeromot, Aeromot Industria Mecanico-Metalurgica Ltda – Brazil
Aeromot, Aeronaves e Motores SA – Brazil
Aeronautica Agrícola Mexicana SA (AAMSA) (Mexico) – founded 1971, dissolved 1984
Aeronautical Engineering Co., Aeronautical Engineering Co. – United States
Aeroneering – United States
Aeronca, Aeronautical Corporation of America – United States, (1928–1951)
Aeronca, Aeronca Manufacturing Corporation – United States
Aeroplastika, Aeroplastika – Lithuania
Aeropract, Aeropract JSC – Russia
Aeropract, KB Aeropract – Russia
Aeropract, LM Aeropract Samara – Russia
Aeropract, OKB Aeroprakt – Russia
Aeropract, Aeroprakt Firma – Ukraine
Aeropract, Aeroprakt ooo – Ukraine
Aeropro, Aeropro sro – Slovakia
Aeroprogress, Aeroprogress Corporation – Russia
Aeroric, Aeroric Nauchno-Proizvodstvennoye Predpriyatie OOO – Russia
AEROSPACE MANUFACTURING Inc United States
Aeros, Aeros – Ukraine
Aerospace General – (US)
Aérospatiale, Société Nationale Industrielle Aerospatiale – France, (1970–1999) (SONACA) > Aérospatiale-Matra
Aérospatiale-Matra, Aérospatiale-Matra – France, (1999–2000) > EADS
Aerospool, Aerospool spol sro – Slovakia
Aerosport, Aerosport Inc – United States
Aerosport OY, Keila, Estonia
Aerostar, SC Aerostar SA – Romania
Aerostar Aircraft, Aerostar Aircraft Corporation – United States
Aérostructure, Aérostructure SARL – France
Aerosud, Aerosud – (South Africa)
Aerotaller, Aerotaller – Argentina
Aerotec, Aerotec SA Industria Aeronáutica – Brazil, (1962–1987)
Aerotechnik, Aerotechnik CZ SRO – Czech Republic
Aerotécnica – Spain
Aerotek (1), Aerotek Inc – United States
Aerotek (2), Aeronautical Systems Technology – (South Africa)
Aero-Volga, NPO Aero-Volga – Russia
Aesl, Aero Engine Services Ltd – New Zealand
AFIC, AFIC Pty Ltd – (South Africa)
AFU – Switzerland
Ag-Cat, Ag-Cat Corporation – United States
AGO Flugzeugwerke, Ago Flugzeugwerke – Germany
Agro-Copteros, Agro-Copteros Ltda – Colombia
Agrolot, Fundacja Agrolot – Poland
Agrolot, Wyposazen Agrolotniczych – Poland
Agusta, Agusta SpA – Italy, (1907–present)
Agusta, Agusta, Division of Finmeccanica – Italy
Agusta, Costruzioni Aeronautiche Giovanni Agusta SpA – Italy
Ahrens, Ahrens Aircraft Corp. – United States (1975–?)
AI(R), Aero International (Regional) – UK/France/Italy
AIAA, Atelier Industriel de l'Aéronautique d'Alger – Algeria, (1948–1960)
Aichi Kokuki, Aichi Kokuki KK – Japan, (1931–1945) (Aichi Aircraft Company)
AICSA, Aero Industrial Colombiana SA – Colombia
AIDC, Aero Industry Development Center – Republic of China (Taiwan)
AIDC, Aerospace Industrial Development Corporation – Republic of China (Taiwan)
AIEP, Aeronautical Industrial Engineering and Project Management Company Ltd – Nigeria
AII, Aviation Industries of Iran – Iran, (1993–present)
AIL, Aeronautics (India) Ltd – India
AIR, Aircraft Investor Resources LLC – United States
Air & Space, Air & Space America Inc – United States
Air & Space, Air & Space Manufacturing Inc – United States
Air Command, Air Command International Inc – United States
Air Parts, Air Parts (NZ) Ltd – New Zealand
Air Products, Air Products Company Inc – United States
Air Tractor, Air Tractor Inc – United States, (1972–present)
Airbridge – Moscow, Russia
Airbus, Airbus SAS – European Union, (1970–present)
Airbus, GIE Airbus Industrie – European Union
Airco, Aircraft Manufacturing Company – United Kingdom, (1912–1920) > de Havilland
Airconcept, Airconcept Flugzeug und Gerätebau GmbH und Co KG – Germany
Aircraft Armaments Incorporated (AAI) (US) – founded 1950, renamed to AAI Corporation 1985
Aircraft Cooperative, Aircraft Cooperative – United States
Aircraft Designs, Aircraft Designs Inc – United States, (1986–present) (ADI)
Aircraft Hydro-Forming, Aircraft Hydro-Forming Inc – United States
Aircraft Parts, Aircraft Parts and Development Corporation – United States
Aircraft Spruce & Specialty Co, Aircraft Spruce & Specialty Company – United States
Aircraft Technologies, Aircraft Technologies Inc – United States
Airfer, (Airfer Paramotores, Paramotores Air-Future, S.L.), Pontevedra, Spain
Air-Fouga, Air-Fouga – France
Airframes Unlimited, Athens, Texas, United States
AirLony Aircraft Company – Czech Republic
Airmaster, Airmaster Inc – United States
Airplane Factory, The, Tedderfield Airpark, Eikenhof, Johannesburg South, South Africa
Air Plum, Fourilles, France
Airspeed, Airspeed Ltd – United Kingdom, (1931–1951) > de Havilland
Airsport sro, Zbraslavice, Czech Republic
Air Sylphe, Villereau, Nord, France
Airtech (1), Airtech Canada Aviation Services Ltd – Canada
Airtech (2), Aircraft Technology Industries – Indonesia/Spain
Airtime Products, Airlie Beach, Queensland, Australia
AISA, Aeronautica Industrial SA – Spain
AJEP, AJEP Developments – United Kingdom
AJI, American Jet Industries Inc – United States
Akaflieg Berlin, Akademische Fliegergruppe Berlin eV – Germany
Akaflieg Braunschweig, Akaflieg Braunschweig – Germany
Akaflieg Darmstadt, Akademische Fliegergruppe Darmstadt eV – Germany
Akaflieg Hannover, Akaflieg Hannover – Germany
Akaflieg Karlsruhe, Akademische Fliegergruppe Karlsruhe eV – Germany
Akaflieg Munchen, Akademische Fliegergruppe München eV – Germany
Akaflieg Stuttgart, Akaflieg Stuttgart – Germany
Akron, Akron Aircraft Company Inc – United States
Akrotech, Akrotech Aviation Inc – United States
Akrotech Europe, Akrotech Europe SA – France
Alanne, Pentti Alanne – Finland
Alaparma – Italy
Albastar Ltd, Zgornje Gorje, Slovenia
Albatros, Fabrika aviona Albatros – Yugoslavia
Albatros Flugzeugwerke, Albatros Flugzeugwerke – Germany, (1910–1931) > Focke-Wulf
Albatros-Flugzeugwerke, Ostdeutsche Albatros Werke – Germany, (East German Albatros Works)
Alenia, Alenia – Italy, (1981–present)
Alenia, Alenia Aerospazio, Division of Finmeccanica – Italy
Alexander Aircraft Company, Englewood/Colorado Springs, Colorado – United States (1926–1932)
Alfa-M, Alfa-M Nauchno-Proizvodstvennoye Predpriyatie AOOT – Russia
Alisport, Alisport – Italy
All American – US
Alliance Aeroplane Company, Alliance Aeroplane Company Ltd, United Kingdom
Alliant Aviation, Richland, Michigan, United States
Alliant Techsystems, Alliant Techsystems – United States
Allied Aerospace Industries – United States, (?-present)
Allied Aviation – United States
Allison, Allison Gas Turbine Division GMC – United States
Alon, Alon Inc – United States, (1964–1967) > Mooney
Alpavia, Alpavia SA – France, (1959–1966) > Sportavia-Putzer
Alpavia, Société Alpavia – France
Alpha, Alpha – Poland
Alpi, Alpi Aviation Srl – Italy
Alpla, Alpla-Werke Alwin Lechner OHG – Austria
Altair Coelho, Eldorado do Sul, Brazil
AltiGator (2008 - present), Amphios SPRL - Belgium
Alturair, Alturair – United States
Alvarez, Joseph P. Alvarez – United States
Amax, Amax Engineering – Australia
Ambrosini, Societa Aeronautica Italiana Ing. A. Ambrosini & Companie – Italy, (1934–1958)
Amc, Aircraft Manufacturing Company – United States, (1917–1920)
Amd, Aircraft Manufacturing and Development Company Inc – United States
Ameagle, AmEagle Corporation – United States
American Aerolights, United States
American, American Aviation Corporation – United States
American Affordable, American Affordable Aircraft – United States, (AAA)
American Aircraft, American Aircraft Inc – United States
American Airmotive – United States
Ameri-Cana Ultralights – Canada
American Autogyro, American Autogyro Inc – United States
American Champion, American Champion Aircraft Corporation – United States
American Eagle, American Eagle Aircraft Corporation – United States
American General, American General Aircraft Company – United States
American Homebuilts, Hebron, Illinois, United States
American Sportscopter, American Sportscopter Inc – United States
American Utilicraft, American Utilicraft Corporation – United States
Ameur Aviation SA (or simply "Ameur") – France
Ameur Aviation Technologie (or simply "Ameur") – France
Amiot, Amiot – France, (1915–1945) (Amiot-Peneau) > Ateliers Aeronautiques de Colombes, SNCAC
Amoy, Amoy – Unknown, (1930–1935)
Amphibian Airplanes of Canada (AAC) – Canada, (1998–?)
AMS-Flight, AMS-Flight DOO – Slovenia
AMX, AMX International Ltd – Italy/Brazil
Anahuac, Fabrica de Aviones Anahuac SA – Mexico
Anatra – Russia
ANBO – Antanas Gustaitis at the Lithuanian Army Aviation Workshops – Lithuania
Anderson, Anderson Aircraft Corporation – United States
Anderson, Earl Anderson – United States
Anderson-Greenwood, Anderson, Greenwood and Company – United States
Andreasson, Björn Andreasson – Sweden
ANF Mureaux, ANF Mureaux – France, (1918–1937) > SNCAN
Angel, Angel Aircraft Corporation – United States
Anglin, Anglin Engineering – United States
Anglin, Anglin Special Aero Planes Inc – United States
Anglo Normandy, Anglo Normandy Aero Engineering – United Kingdom
Ansaldo – Italy, (1916–1928)
Antoinette, Antoinette – France, (1906–1912)
Antoniewski, Tomek Antoniewski – Poland
Antonov, Antonov OKB – Ukraine, (1947–present)
Antonov Company (before 2010 Aviatsijnyy Naukovo-Tekhnichnyy Kompleks Imeni O.K. Antonova) – Ukraine
AOI, Arab Organisation for Industrialisation, Aircraft Factory – (Egypt)
Apex Aircraft – France
Apollo Ultralight Aircraft, Eger, Hungary
Applebay Sailplanes, Albuquerque, New Mexico, United States
Applegate & Weyant, Applegate & Weyant – United States
Aquaflight, United States (1946)
Aquila, Aquila Technische Entwicklungen GmbH – Germany
Arab British Helicopter Company (ABHCO) (Egypt)
Arado, Arado Flugzeugwerke GmbH – Germany, (1925–1945)
Arc Atlantique, Arc Atlantique Aviation – France
Arctic, Arctic Aircraft Company – United States
Arey, Krasnoyarsk, Russia
ARDC, Air Force Research and Development Center – Philippines
Arkhangelski, Arkhangelski OKB – Russia
Armstrong Siddeley, Armstrong Siddeley – United Kingdom, Possibly engine maker
Armstrong Whitworth, Sir W. G. Armstrong Whitworth Aircraft Ltd – United Kingdom, (1913–1958) > Hawker Siddeley
Arnet Pereyra, Arnet Pereyra Aero Design – United States
Arocet – United States
Arpin, M. B. Arpin & Co. – United Kingdom
Arrow (1), Arrow Airplane & Motors Corporation – United States
Arrow (2), Arrow Aircraft Company – Canada
Arrow Aircraft, Arrow Airplane Company – United States, (1931–1935)
Arrow Aircraft Ltd. – United Kingdom
Arsenal de l'Aeronautique, Arsenal de l'Aeronautique – France, (1936–1953) > SFECMAS
ARV, ARV Aviation Ltd – United Kingdom
ASAP, Aircraft Sales & Parts – Canada
ASJA – Sweden
ASL, ASL Hagfors Aero AB – Sweden
Asso Aerei, Asso Aerei Srl – Italy
Associated Air, Associated Air – United States
ASTA, Aerospace Technologies of Australia Pty Ltd – Australia, (1987–present)
Astra, Astra Societe de Constructions Aeronautiques – France, (1909–1921) > Nieuport
ATB, First Naval Air Technical Bureau (abbreviated Kugisho) – Japan, (1969–1996) > Aeronautical Development Agency
ATEC v.o.s., Libice nad Cidlinou, Czech Republic
Ateliers Aeronautiques de Colombes, Ateliers Aeronautiques de Colombes – France, −1945
Ateliers Aéronautiques de Suresnes (AAS) (France) – founded 1945, now defunct
Ateliers, Ateliers de Construction Aéronautique de Zeebrugge – Belgium, (1923–1933) (ACAZ) (Zeebrugge Aeronautical Construction Company) (ZACCO)
Atlantic-Fokker, Atlantic Fokker Corporation (American Fokker) – United States
Atlas, Atlas Aircraft Company – US (1948)
Atlas, Atlas Aircraft Corporation of South Africa (Pty) Ltd – (South Africa), (1965–present)
Atlas, Atlas Aviation (Pty) Ltd – (South Africa)
Atlas, Atlas Aviation, Division of Denel (Pty) Ltd – (South Africa)
ATR, GIE Avions de Transport Régional – France/Italy, (1981–present)
Aubert, Aubert Aviation – France, (1932–1940, 1945–1959)
Aurora Flight Sciences, Aurora Flight Sciences Corp. – United States (1989–present)
Aurore Sarl, Sauvagnon, France
Auster, Auster Aircraft Ltd – United Kingdom, (1946–1961)
Austflight, Austflight ULA Pty Ltd – Australia
Austin Motors, Austin Motors Ltd. – United Kingdom
Australian Aircraft & Engineering, Australian Aircraft & Engineering – Australia, (1910–1923)
Australian Aircraft Consortium, Australian Aircraft Consortium – Australia, (1982–1985) (A joint venture between the Government Aircraft Factory, the Commonwealth Aircraft Corporation and Hawker de Havilland.) > Hawker de Havilland
Australian Aircraft Kits, Taree, New South Wales, Australia
Australian Autogyro – Australia (1984–?)
Australite, Australite Inc – United States
Auto-Aero, Auto-Aero – Hungary
AutoGyro GmbH, Hildesheim, Germany
Av8er Limited, Woodford Halse, Northamptonshire, United Kingdom
Avcraft, AvCraft Aviation LLC – United States
AVE, Advanced Vehicle Engineers – United States, (1971–1973)
Avia (1), Azionari Vercellese Industrie Aeronautiche – Italy
Avia (2), Avia-Zavody Jirího Dimitrova – Czechoslovakia, (1919–1958)
Avia (3), Nauchno-Proizvodstvennoe Obedinenie Avia – Russia
Avia Baltika, Avia Baltika Aviation Ltd – Lithuania
Aviabellanca, AviaBellanca Aircraft Corporation – United States, (1983–present)
Aviafiber – Switzerland
Aviamilano, Aviamilano Costruzioni Aeronautiche SRL – Italy, (1959–?)
Aviastroitel, AviaStroitel Ltd – Russia
Aviat, Aviat Aircraft Inc – United States
Aviat, Aviat Inc – United States
Aviatik, Österreichische-Ungarische Flugzeugfabrik Aviatik – Austria, (1910–1918) (Automobil und Aviatik)
Aviatika, Aviatika JSC – Russia
Aviatika, Kontsern Aviatika – Russia
Aviation, Aviaton Nauchno-Proizvodstvennaya Aviatsionnaya Firma – Russia
Aviation Association Ilyushin (Russia) – Formed 1992
Aviation Composite Technology, Aviation Composite Technology – Philippines, (1990–?) (ACT)
Aviation Development, Aviation Development International Ltd – United States
Aviation Farm, Aviation Farm Ltd – Poland
Aviation Industries of Iran, Iran
Aviation Scotland, Aviation Scotland Ltd – United Kingdom
Aviation Traders, Aviation Traders (Engineering) Ltd – United Kingdom, (1949–1962)
Avibras, Avribras Aeroespacial SA – Brazil, (1963–1967) (Aviation Brazil)
Avid, Avid Aircraft Inc – United States
Avioane Craiova, SC Avioane Craiova SA – Romania
Aviones Colombia, Aviones de Colombia SA – Colombia
Avions Fairey, Avions Fairey SA – Belgium, (1931–1978) > Aêrospatiale
Avions Fairey, Fairey SA – Belgium
Avions JDM – France
Aviotechnica, Aviotechnica Ltd – Bulgaria/Russia
Avipro, AviPro Aircraft Ltd – United States
AVIS, AVIS Aircraft – Unknown, (1917–1923) -1941
Avro, A. V. Roe & Company – United Kingdom, (1910–1963) > Hawker Siddeley
Avro, A. V. Roe & Company Ltd – United Kingdom
Avro, Avro International Aerospace Ltd – United Kingdom
Avro Canada, Avro Aircraft Canada – Canada, (1945–1962) > Hawker Siddeley
Avtek, Avtek Corporation – United States
Ayres, Ayres Corporation – United States, (?-2001) > Thrush Aircraft
Clément Ader, Ader, Clement – France, (1886–1897)
B/E Aerospace – United States, UK, UAE, www.beaerospace.com
B&B Manufacturing Company – Valencia, Ca, www.bbmfg.com
B&W, Boeing & Westervelt – United States, (1916) > Pacific Aero
Babcock Aircraft Company
British Aircraft Corporation (BAC) Ltd – United Kingdom, (1959–1977) > British Aerospace
Bach Aircraft – United States
Bachem, Bachem – Germany, (1944–1945)
Back Bone, Tallard, France
Backcountry Super Cubs, Douglas, Wyoming, United States
BAE Systems, BAE Systems PLC – United Kingdom, (1999–present)
BAE Systems Australia, BAE Systems Australia Ltd – Australia
BAI, Bureau of Aircraft Industry – Republic of China, (1946–1969) > Air Technical Bureau
Bakeng, Bakeng Aircraft – United States
Bakeng, Gerald Bakeng – United States
Ball-Bartoe – United States
Barkley-Grow, Barkley Grow Aircraft Corporation – United States
Barnett, Barnett Rotorcraft – United States
Barr, Barr Aircraft – United States
Barrows, Bob Barrows – United States
Bartel – Poland
Bartlett Aircraft – United States
Basler, Basler Turbo Conversions Inc – United States
BAT, British Aerial Transport Co. Ltd. – United Kingdom
Bay Aviation, Bay – United States
Bayerische Flugzeugwerke, Bayerische Flugzeugwerke – Germany, (1926–1938) (BFW – Bavarian Aircraft Works) > Messerschmitt
BDC Aero Industrie, Lachute, Quebec, Canada
Bd-Micro, BD-Micro Technologies Inc – United States
Beagle, Beagle Aircraft (1969) Ltd – United Kingdom, (?-1970) > Scottish Aviation
Beagle, Beagle Aircraft Ltd – United Kingdom
Beagle-Auster, Beagle-Auster Ltd – United Kingdom
Beardmore, William Beardmore & Co – United Kingdom
Beaujon Aircraft – United States
Bede, BD Micro Technologies Inc – United States
Bede, Bede Aircraft Corporation – United States
Bede, Bede Aircraft Inc – United States
Bede, Bede Aviation Corporation – United States
Bede, Bede Jet Corporation – United States
Bede, BEDEAmerica Aerosport LLC – United States
Beech, Beech Aircraft Corporation – United States, (1932–1980) > Raytheon > Hawker Beechcraft
Beech-Sferma, see BEECH and SFERMA – United States/France
Beecraft, Bee Aviation Associates, Inc. – United States, (1948–1960)
Beets, Glenn Beets – United States
Beijing Keyuan, Beijing Keyuan Light Aircraft Industrial Company Ltd – China
Belairbus, Belairbus – Belgium, (1979–present)
Bel-Aire, Bel-Aire Aviation – United States
Bell, Bell Aircraft Corporation – United States, (1935–1960)
Bell, Bell Helicopter Company, Division of Bell Aerospace Corporation – United States, (1960–present)
Bell, Bell Helicopter Textron Inc – United States
Bell, Bell Helicopter Textron, Division of Textron Canada Ltd – Canada
Bell, Bell Helicopter Textron, Division of Textron Inc – United States
Bell-Agusta, Bell-Agusta Aerospace Company – United States/Italy
Bellanca, Bellanca Aircraft Corporation – United States, (1927–1983) > AviaBellanca
Bellanca, Bellanca Aircraft Engineering – United States
Bellanca, Bellanca Inc – United States
Bellanca, Bellanca Sales Manufacturing Inc – United States
Bell-Boeing, see BELL and BOEING – United States
Beneš & Hajn, Beneš & Hajn – Unknown, (1923) > Avia
Beneš-Mráz – Czechoslovakia
Bengis, Bengis Aircraft Company (Pty) Ltd – South Africa
Bensen, Bensen Aircraft Corporation – United States, (?-1987)
Bereznyak-Isayev, Alexander Yakovlevich Bereznyak and Alexei Mikhailovich Isayev – Soviet Union
Berger, Hans Berger – Switzerland
Beriev, Beriev OKB – Russia, (1934–present) (Beriev Aircraft Company)
Beriev, Berieva Aviatsionnyi Kompaniya – Russia
Beriev, Taganrogsky Aviatsionnyi Nauchno-Tekhnicheskiy Kompleks Imeni G. M. Berieva – Russia
Berkut, Berkut Engineering Inc – United States
Berliner, Berliner Aircraft Co. – United States, (1926–1929) > Berliner-Joyce
Berliner-Joyce, Berliner-Joyce Aircraft Corp. – United States, (1929–?)
Bernard, Société des Avions Bernard – France
Berwick, FW Berwick and Company Ltd. – United Kingdom
Besson, Besson – France, (1915–1928) > ANF Mureaux
Best Off, Best Off – France, (?-present)
Bharat, Bharat Heavy Electricals Ltd – India
Billie, Billie Aero Marine – France
Bilsam Aviation, Poznań, Poland
Binder, Binder Aviatik KG – Germany
Birdman, Birdman Aircraft, US
Birdman, Birdman Enterprises, Canada
Bisnovat, Bisnovat – Russia
Bitz, Bitz Flugzeugbau GmbH – Germany

Bitz, Fa. Josef Bitz – Germany
Blackburn, Blackburn Aircraft Ltd – United Kingdom, (1914–1949) > General Aircraft Ltd
Blériot, Société Blériot Aéronautique – France, (1906–1914) > Blériot-SPAD
Blériot-SPAD, Blériot-SPAD – France, (1914–1936) > Sud-Ouest
Blériot-Voisin, Blériot-Voisin – France, (1903–1906) > Blériot, Voisin
Bloch, Societé des Avions Marcel Bloch – France, (1930–1936) (1945) > Sud-Ouest, Dassault
Blohm + Voss, Blohm + Voss – Germany, (1930–1969) > Messerschmitt-Bölkow-Blohm
Blue Yonder, Blue Yonder Aviation Inc – Canada
Blume, Walter Blume – Germany
B-N Group, B-N Group Ltd – United Kingdom, (1964–present) (Britten-Norman)
Boeing, Boeing Aircraft Company – United States, (1916–present)
Boeing, The Boeing Airplane Company – United States
Boeing, The Boeing Company – United States
Boeing Canada, Boeing Aircraft of Canada Ltd – Canada
Boeing North American, Boeing North American, Inc. – United States, (1996–present)
Boeing Vertol, Boeing Vertol Company – United States
Boeing-Sikorsky, see BOEING and SIKORSKY – United States
Boeve, Boeve Fiberglass Components Inc – United States
Bohemia, Bohemia – Czechia
Boisavia, Société Boisavia – France
Bolkow, Bölkow-Apparatebau GmbH – Germany, (1948–1968) > Messerschmitt-Bölkow
Bolkow, Bölkow-Entwicklungen GmbH – Germany
Booth Aerospace North America – United States
Bombardier, Bombardier Inc – Canada, (1986–present)
Borel, Etablissements Borel, France > SGCIM
Boulton & Paul Ltd United Kingdom, (1914–1934)
Boulton Paul Aircraft Ltd – United Kingdom, (1934–1961)
Bowers, Peter M. Bowers – United States
Bradley, Bradley Aerospace – United States
Brandenburg, Brandenburg – Germany
Brandli, Max Brändli – Switzerland
Brantly, Brantly Helicopter Corporation – United States
Brantly, Brantly Helicopter Industries USA Company Ltd – United States
Brantly, Brantly International Inc (Helicopter Division) – United States
Brantly-Hynes, Brantly-Hynes Helicopter Inc – United States, (1975–?)
Bratukhin, Bratukhin – Russia, (1940–1951)
Brditschka, H. W. Brditschka OHG – Austria
Brditschka, HB-Brditschka GmbH & Co KG – Austria
Breda, Societa Italiana Ernesto Breda – Italy
Bredanardi, BredaNardi Costruzione Aeronautiche SpA – Italy
Breguet, Société des Ateliers d'Aviation Louis Bréguet – France, (1911–1969) > Dassault-Breguet
Brewster, Brewster Aeronautical Corporation – United States, (1932–1946)
Brian Allen, Brian Allen Aviation – United Kingdom
Briegleb, Gus Briegleb – US
Bristol, Bristol Aircraft Ltd – United Kingdom, (1910–1959) > British Aircraft Corporation
Bristol, The Bristol Aeroplane Company Ltd – United Kingdom
Bristol Helicopter, Bristol Helicopter Ltd. – United Kingdom, (1944–1969) > Westland Aircraft
British Aerospace, British Aerospace – United Kingdom, (1977–1999) (BAe) > BAE Systems
British Aerospace, British Aerospace PLC – United Kingdom
British Aircraft Company, British Aircraft Company – United Kingdom
British Aircraft Manufacturing, British Aircraft Mfg. Co. – United Kingdom, (BAMC)
British Klemm, British Aircraft Klemm Aeroplane Co Ltd. – United Kingdom, > British Aircraft Mfg. Co.
Britten-Norman, Britten-Norman (Bembridge) Ltd – United Kingdom
Britten-Norman, Britten-Norman Ltd – United Kingdom, (1964–present)
BRM Costruções Aeronáuticas, Pero Pinheiro, Portugal
Brochet, Constructions Aéronautiques Maurice Brochet – France
Ken Brock Manufacturing, Stanton, California, United States
Brokaw, Bergon Brokaw – US
Brooklands, Brooklands Aerospace Ltd – United Kingdom
Brooklands, Brooklands Aircraft Ltd – United Kingdom
Brügger, Max Brügger – Switzerland
Brush Electrical, Brush Electrical Engineering Co. Ltd. – United Kingdom, (Originally Anglo-American Brush Electric Light Corporation)
Brutsche Aircraft Corporation, Salt Lake City, Utah, United States
Buchanan, Buchanan Aircraft Corporation Ltd – Australia
Bucker, Bücker Flugzeugbau GmbH – Germany, (1932–1945)
Bucker Prado, Bücker Prado SL – Spain
Bucureşti, Intreprinderea de Avioane Bucureşti – Romania
Budd Manufacturing, Edward G. Budd Manufacturing Company – United States
Buethe, Buethe Enterprises Inc – United States
Buhl, Buhl Aircraft Company – United States
Bul, Bourgogne Ultra Léger Aviation – France
Burgess, Burgess Company – United States, (1911–1916) (Originally Burgess Company and Curtis, Inc.)
Büttner Propeller, Gerald Büttner - Obernkirchen, Obernkirchen, Germany
Burl's Aircraft, Chugiak, Alaska – United States, (1982–Present)
Burnelli, Burnelli Aircraft Co. – United States
Bushby, Bushby Aircraft Inc – United States
Bushby, Bushby Aircraft Inc – United States
C. Itoh, C. Itoh & Co – Japan, (1955–1970) > JAMCO
CAARP, Cooperatives des Ateliers Aéronautiques de la Région Parisienne – France
CAB, Constructions Aéronautiques du Béarn – France
Cable-Price, Cable-Price Corporation – New Zealand
Cabrinha, Cabrinha Aircraft Corporation – United States
Cabrinha, Cabrinha Engineering Inc – United States
CAG, Construcciones Aeronáuticas de Galicia – Spain
Callair, Call Aircraft Company – United States, (1939–1959) > IMCO
Callair, Callair Inc – United States
Calumet, Calumet Motorsports Inc – United States
Camair, Camair Aircraft Corporation – United States
Camair, Camair Division of Cameron Iron Works Inc – United States
CAMCO, Central Aircraft Manufacturing Company – China, CAMCO
Cameron, Cameron & Sons Aircraft – United States
Campana, Campana Aviation – France
CAMS, Chantiers Aéro-Maritimes de la Seine – France
CAMS, Cairns Development Company – United States, (or Cairns Aircraft (E. B. Cams))
Calumet Motorsports, Lansing, Illinois, United States
Canada Air RV, Canada Air RV Inc – Canada
Canadair, Bombardier Aerospace Canadair – Canada, (?-1986) > Bombardier Aerospace
Canadair, Canadair Group of Bombardier Inc – Canada
Canadair, Canadair Inc – Canada
Canadair, Canadair Ltd – Canada
Canadian Aeroplanes, Canadian Aeroplanes Ltd. – Canada
Canadian Car & Foundry, Canadian Car & Foundry Co. – Canada
Canadian Home Rotors, Canadian Home Rotors Inc – Canada
Canadian Vickers, Canadian Vickers Ltd – Canada
Canard Aviation – Switzerland
CANSA, Cansa – Italy
CANT, Cantiere Navale Triestino – Italy, (?-1931) > CRDA
CAO/SNCAO, Societe Nationale de Construction Aeronautique de l'Ouest – France
CAP – Companhia Aéronautica Paulista – Brazil
CAP Aviation, CAP Aviation – France
Capella, Capella Aircraft Corporation, Austin, Texas, United States
Caproni, Caproni – Italy, (1908–1983) > Agusta
Caproni Vizzola, Caproni Vizzola Costruzione Aeronautiche SpA – Italy
Carlson, Carlson Aircraft Inc – United States
CARMAM, Coopérative d'Approvisionnement et de Réparation de Matériel Aéronautique de Moulins – France
Carriou, Louis Carriou – France
Carstedt, Carstedt – United Kingdom
Cartercopters, CarterCopters LLC – United States
CASA, Construcciones Aeronáuticas SA – Spain
Caspar, Caspar-Werke – Germany
Cassutt, Thomas K. Cassutt – United States
CATA, Construction Aéronautique de Technologie Avancée – France
Caudron, British Caudron Co Ltd. – United Kingdom, (Last aircraft made in 1919, went into receivership 1924.)
Caudron, Caudron – France, (1909–?)
Cavalier, Cavalier Aircraft Corp. – United States, (?-1971) > Piper Aircraft
CCF, Canadian Car & Foundry Company Ltd – Canada
CEI, CEI – United States
Celier Aviation, CA – Poland
Celair, Celair (Pty) Ltd – South Africa
Centrair, SA Centrair – France
Central Aircraft Company, Central Aircraft Company Limited – United Kingdom
Centrala Flygverkstaden Malmslätt (CFM) – Sweden
Centrala Verkstaden Malmslätt (CVM) – Sweden
Centre Est, Centre Est Aéronautique – France
Century, Century Aircraft Corporation – United States
CERVA, Consortium Européen de Réalisation et de Vente d'Avions GIE – France
Cessna, Cessna Aircraft Company – United States, (1927–present)
Cessna-Roos, Cessna-Roos Aircraft Company – United States, (1927) > Cessna Aircraft
Clyde Cessna, Clyde Cessna – United States, (1911) (Clyde Vernon Cessna) > Travel Air
Cessna-Reims, Cessna-Reims – United States/France
CFA, Compagnie Française d'Aviation – France
CFM, CFM Aircraft Ltd – United Kingdom
CFM, Cook Flying Machines, CFM Metal Fax Ltd – United Kingdom
CGS Aviation, Grand Bay, Alabama, United States
Chadwick, Chadwick Helicopters – United States
Chalard, Jacques et Renée Chalard – France
Champion, Champion Aircraft Company Inc – United States, (1954–1970) > Bellanca
Champion, Champion Aircraft Corporation – United States
Chance Vought, Chance Vought Aircraft Inc – United States, (1922–1961) > Vought
Chance Vought, Chance Vought Corporation – United States
Changhe, Changhe Aircraft Factory – China
Changhe, Changhe Aircraft Industries Corporation – China
Changhe, Changhe Aircraft Manufacturing Corporation – China
Chasle, Yves Chasle – France
Chayair, Chayair Manufacturing and Aviation – South Africa
Chengdu, Chengdu Aircraft Industrial Corporation – China
Chernov, Opytnyi Konstruktorskoye Byuro Chernov B & M OOO – Russia
Chetverikov, Chetverikov – Russia, (Igor Vyacheslavovich Chetverikov)
Chichester-Miles, Chichester-Miles Consultants Ltd – United Kingdom
Chilton, Chilton Aircraft – United Kingdom, (1937–?)
Chincul, Chincul SACAIFI – Argentina
Chris Tena, Chris Tena Aircraft Association – United States
Chrislea, Chrislea Aircraft Co. Ltd. – United Kingdom
Christen, Christen Industries Inc – United States
Chu, Major General C.J. Chu – Republic of China
Cicaré, Cicaré Helicópteros SA – Argentina
Cierva, Cierva Autogyro Company – United Kingdom, (Juan de la Cierva)
Circa, Circa Reproductions – Canada
Cirrus, Cirrus Design Corporation – United States, (1984–present)
Citroen-Marchetti, Citroen-Marchetti – France
Civil Aviation Department of India – India
Claassen, Claassen – United States
CLASS, Canadian Light Aircraft Sales and Services Inc – Canada
Classic, Classic Aircraft Corporation (WACO Classic Aircraft Corporation) – United States
Classic Fighter, Classic Fighter Industries Inc – United States
Classic Sport, Classic Sport Aircraft – United States
Claudius Dornier, Claudius Dornier Seastar GmbH & Co KG – Germany
Claxton High School – United States
Clément-Bayard – France
Clifford Aeroworks, Clifford Aeroworks – United States
Clutton, Eric Clutton – United Kingdom
CMASA, Costruzioni Meccaniche Aeronautiche Società Anonima – Italy
CNA, Compagnia Nazionale Aeronautica – Italy
CNIAR, Centrul National al Industriei Aeronautice Române – Romania
CNNA, Companhia Nacional de Navegação Aérea – Brazil
Coandă, Henri Coandă – Romania, (1910–1911) (Henri Marie Coandă) > Bristol
COBELAVIA, Compagnie Belge d'Aviation – Belgium
Cobra, Cobra Aviation – Australia
Cody, Samuel Cody – United Kingdom, (Samuel Franklin Cody)
Colemill, Colemill Enterprises Inc – United States
Collins, Collins Aero – United States
Colomban, Michel Colomban – France
Colombia, Columbia Aircraft Company – United States
Colonial, Colonial Aircraft Corporation – United States
COMAC, Commercial Aircraft Corporation of China – China (2008–present)
Commander, Commander Aircraft Company – United States
Commonwealth (1), Commonwealth Aircraft Corporation Pty Ltd – Australia (CAC)
Commonwealth (2), Commonwealth Aircraft Corporation Inc – United States, (1942–1947)
Comper, Comper Aircraft Co. Ltd. – United Kingdom, (1929–?)
Comte, Comte Aircraft Factory – Switzerland
Conair, Conair Group Inc. – Canada
Condor Powered Parachutes, Nicholson, Georgia, United States, (later called Southern Powered Parachutes)
Conroy, Conroy Aircraft Corporation – United States
Consolidated Aeronautics Corporation – manufactured Lake aircraft in the 1960s–70s – United States
Consolidated, Consolidated Aircraft Corporation – United States
Continental Copters, Continental Copters Inc – United States
Convair, Consolidated-Vultee Aircraft Corporation – United States, (1943–1996) > General Dynamics
Convair, Convair Division of General Dynamics Corporation – United States
Corben Sport Plane and Supply Company (US) – founded 1931, sold to Paul Poberezny in 1952
Corby, John C. Corby – Australia
Cosy, Cosy Europe – Germany
Country Air, Country Air Inc – United States
Coupe, Coupé-Aviation – France
Cox-Klemin, Cox-Klemin Aircraft Corporation – United States
Co-Z, Co-Z Development Corporation – United States
Co-Z, Co-Z Europa – Germany
Crae, CRAE Elettromeccanica SpA – Italy
Craiova, Intreprinderea de Avioane Craiova – Romania
Cranfield, Cranfield Institute of Technology, College of Aeronautics – United Kingdom
CRDA, Cantiere Riuniti dell'Adriatico – Italy (1931–?)
Creative Flight, Creative Flight Inc – Canada
Croses, Emilien Croses – France
CSS, Centralne Studium Samolotów – Poland
CTRM, Composites Technology Research Malaysia Sdn Bhd – Malaysia
Cub, Cub Aircraft Company – Canada
Cub Crafters, Cub Crafters Inc – United States
Culp, Culps Specialties – United States
Culver, Culver Aircraft Company – United States
Cunliffe-Owen, Cunliffe-Owen Aircraft – United Kingdom
Curtiss, Curtiss-Wright Corporation – United States, (1929–present)
Curtiss Aeroplane and Motor Company, Curtiss Aeroplane and Motor Company – United States, (1909–1929) > Curtiss-Wright
Curtiss-Reid Aircraft Ltd., Curtiss-Reid Aircraft Ltd. – Canada
Custer Channel Wing Corporation, Hagerstown, Maryland – United States
Custom Flight, Custom Flight Components Ltd – Canada
Custom Flight Limited, Tiny, Ontario, Canada
Cvjetkovic, Anton Cvjetkovic – United States
C.W. Aircraft Ltd – United Kingdom > General Aircraft Ltd
CWL, Centralne Warsztaty Lotnicze – Poland
CZAW, Czech Aircraft Works SRO – Czechia
Cyclone Manufacturing Inc., Mississauga, Ontario, Canada (Aerospace Parts Manufacturing)
CZL, Centralne Zaklady Lotnicze – Poland, (Central Aviation Establishment)
DAC, Dutch Aeroplane Company VOF – Netherlands
Damoure-Fabre, Damoure et Fabre – France
D'Apuzzo, Nicholas E. D'Apuzzo – United States
DAR, Darjawna Aeroplanna Rabotilniza – Bulgaria, (Dargeavna Aeroplanna Rabotilnitsa – Country Airplane Factory)
Darracq, Automobiles Darracq S.A. – France, (Darracq Motor Engineering)
Dart, Dart Aircraft Company – United States
Dart Aircraft Limited – United Kingdom
DASA, Daimler-Benz Aerospace AG – Germany, (1989–2000) > EADS
DASA, Deutsche Aerospace AG – Germany
DASA-Rockwell, see DASA and ROCKWELL – Germany/United States
Dassault, Avions Marcel Dassault – France, (1945–1969) > Dassault-Breguet
Dassault-Breguet, Avions Marcel Dassault-Bréguet Aviation – France, (1969–1990) > Dassault Aviation
Dassault, Dassault Aviation (1990–present) – France
Dassault-Breguet/dornier, see DASSAULT-BREGUET and DORNIER – France/Switzerland
Dätwyler, MDC Max Dätwyler AG – Switzerland
Davis, Leeon D. Davis – United States
Dayton-Wright, Dayton-Wright Airplane Co. – United States, (?-1923) > Consolidated Aircraft
De Havilland, The De Havilland Aircraft Company Ltd – United Kingdom, (1920–1958) (DH) > Hawker Siddeley
De Havilland Australia, The De Havilland Aircraft Company Pty Ltd – Australia, (DHA) > Boeing
De Havilland Canada, Bombardier Aerospace De Havilland – Canada, (1928–1989) (DHC) > Bombardier Aerospace
De Havilland Canada, De Havilland Division of Boeing of Canada Ltd – Canada
De Havilland Canada, De Havilland Inc – Canada
De Havilland Canada, The De Havilland Aircraft of Canada Ltd – Canada
De Schelde, Koninklijke Maatschappij De Schelde – Netherlands
Deborde-Rolland, Yves Deborde et Jean-Louis Rolland – France
Delisle, Club Aeronautique Delisle Inc – Canada
Denel Aerospace Systems, Denel Aerospace Systems, Denel Aviation – South Africa
Denize, Robert Denize – France
Denney, Denney Aerocraft Company – United States
Department of Aircraft Production, Australian government, Australia, (1939–1941) later known as Government Aircraft Factory
Derazona, PT Derazona Aviation Industry – Indonesia
Derringer, Derringer Aircraft Company LLC – United States
Detroit Aircraft Corporation, Detroit Aircraft Corporation – United States, (July 10, 1922 – October 27, 1931)
Deutsche Airbus, Deutsche Airbus GmbH – Germany
DFS, Deutsche Forschungsanstalt für Segelflug – Germany, (1925–1945) (Deutsches Forschungsinstitut fur Segelflug – German Research Institute for Sailplane Flight)
Dewoitine, Constructions Aéronautiques Emile Dewoitine – France
Dewoitine, Société Aéronautique Française, Avions Dewoitine – France
DF Helicopters, DF Helicopters SRL – Italy
DFW, Deutsche Flugzeugwerke – Germany
DG Flugzeugbau, DG Flugzeugbau GmbH – Germany
Diamond, Diamond Aircraft Industries GmbH – Austria
Diamond, Diamond Aircraft Industries Inc – Canada
Distar Air, Ústí nad Orlicí, Czech Republic
Dickey, Shirl Dickey Enterprises – United States
Dijkman-Dulkes, Cor Dijkman-Dulkes – Netherlands
DINFIA, Dirección Nacional de Investigaciones y Fabricaciones Aeronáuticas – Argentina, (1957–?)
DKBA FGUP, Federal Unitary State Enterprise, "Dolgoprudniy Design
Bureau of Automatics" ("DIRIZHABLESTROI USSR ENTERPRISE" in 1932–1940) – key state Russian manufacturer of airships, balloons, aerostats, blimps. – Russian Federation
Dirgantara, PT Dirgantara Indonesia – Indonesia
DM Aerospace, DM Aerospace Ltd – United Kingdom
Doak, Doak Aircraft Company – United States
Donnet – France
Donnet-Denhaut – France
Dorna, H F Dorna Company – Iran
Dornier, AG für Dornier-Flugzeuge – Switzerland
Dornier, Dornier GmbH – Germany, (?-1959) > FUS
Dornier, Dornier Luftfahrt GmbH – Germany, (?-1989) > DASA
Dornier, Dornier-Werke GmbH – Germany
Douglas, Douglas Aircraft Company Inc – United States, (1920–1967) > McDonnell-Douglas
Downer, Downer Aircraft Industries Inc – United States
Dragon Fly, Dragon Fly Srl – Italy
Dream, Dream Aircraft Inc – Canada
Driggs, Driggs Aircraft Corporation – United States
Druine, Avions Roger Druine – France
DSK, DSK Aircraft – United States
DSK Airmotive, DSK Airmotive – United States
Dubna, Proizvodstvenno-Tekhnichesky Kompleks Dubnenskogo Mashinostroitelnogo Zavod AO – Russia
Dufaux, Armand and Henri Dufaux – Switzerland
Duigan, John Duigan – Australia
Dumod, Dumod Corp. – United States
Durand, William H. Durand – United States
Duruble, Roland Duruble – France
du Temple, Félix du Temple – France
Dyke, John W. Dyke – United States
Dyn'Aéro, Société Dyn'Aéro – France
Dynamic Sport, Kielce, Poland
D'Yves Air Pub, La Chapelle-en-Vexin, France
E. D. Abbott – see Abbott
E & K, E & K Sp z oo – Poland
EAA, Experimental Aircraft Association Inc – United States
EAC, Etudes Aéronautiques & Commerciales SARL – France
EADS, European Aeronautic Defence and Space Company – France/Germany/Spain, (2000–present) (EADS)
EADS 3 Sigma (formerly 3 Sigma) – Greece
Eagle, Eagle Aircraft Company – United States
Eagle Aircraft, Eagle Aircraft Australia Ltd – Australia
Eagle Aircraft, Eagle Aircraft International – Australia
Eagle Aircraft, Eagle Aircraft Pty Ltd – Australia
Eagles Wing Corporation, Normandy, Tennessee, United States
Early Bird, Early Bird Aircraft Company – United States
EasyUp, Medford, Oregon, United States
EAY – Empresa Aeronáutica Ypiranga – Brazil
Eberhart, Eberhart – United States
Eclipse, Eclipse Aviation Corporation – United States
Ector, Ector Aircraft Company – United States
Edgar Percival, Edgar Percival Aircraft Ltd. (defunct) – United Kingdom
Edgley, Edgley Aircraft Ltd – United Kingdom
EDRA, EDRA Aeronáutica – Brazil
EDRA, EDRA Helicentro Peças e Manutençao – Brazil
EEL (Entwicklung und Erprobung von Leichtflugzeugen), Putzbrunn, Germany
EHI, EH Industries Ltd – United Kingdom/Italy
Eich, James P. Eich – United States
EIRI, Eiriavion OY – Finland
EIS, EIS Aircraft GmbH – Germany
Ekolot, PPHU Ekolot – Poland
EFW, Eidgenössische Flugzeugwerke Emmen – Switzerland, (Federal Aircraft Factory)
ELA Aviación, ELA Aviación SL – Spain
Elbit, Elbit Systems Ltd – Israel
Elicotteri Meridionali, Elicotteri Meridionali – Italy, (1967–?)
Elitar, Ehlitar OOO – Russia
Ellison-Mahon Aircraft, – US (Seattle, Washington)
Elmwood, Elmwood Aviation – Canada
Emair, Emair Inc – United States
Emair, Emair, Division of Emroth Company – United States
EMBRAER, Empresa Brasileira de Aeronáutica SA – Brazil
EMBRAER-FMA, see EMBRAER and FMA – Brazil/Argentina
Emroth, Emroth Company – United States
ENAER, Empresa Nacional de Aeronáutica – Chile
English Electric, English Electric Aviation Ltd – United Kingdom, (?-1959) > British Aircraft Corporation
English Electric, English Electric Company Ltd – United Kingdom
Enstrom, R. J. Enstrom Corporation – United States
Enstrom, The Enstrom Helicopter Corporation – United States
Epervier, Epervier Aviation SA – Belgium
Epps, Ben T. Epps – United States
ERCO, Engineering and Research Corporation – United States
ERPALS, Erpals Industrie, Etudes et Réalisations de Prototypes pour l'Aviation Légère et Sportive – France
Esnault-Pelterie, Robert Esnault-Pelterie – France
Ethiopian Airlines, Ethiopian Airlines Enterprise – Ethiopia
Ethiopian Airlines, Ethiopian Airlines SC – Ethiopia
Etrich, Etrich – Austria
Euler, Euler – Germany
Eurocopter, Eurocopter Canada Ltd – Canada, (1992–present)
Eurocopter, Eurocopter GIE – France/Germany
Eurocopter, Eurocopter SA – France/Germany
Eurocopter, Eurocopter SAS – France/Germany
Eurocopter-Kawasaki, see EUROCOPTER and KAWASAKI – France/Germany/Japan
Euro-Enaer, Euro-Enaer Holding BV – Netherlands
Eurofighter, Eurofighter Jagdflugzeug GmbH – Germany/UK/Italy/Spain
Euronef, Euronef SA – Belgium
Europa, Europa Aviation Ltd – United Kingdom
Eurospace, Eurospace Costruzioni Srl – Italy
Evangel, Evangel Aircraft Corporation – United States
Evans, Evans Aircraft – United States
Evans, W. Samuel Evans – United States
Evektor-Aerotechnik, Evektor-Aerotechnik AS – Czech Republic
EWR, Entwicklungsring-Süd – Germany
Excalibur, Excalibur Aviation Company – United States
Exclusive, Exclusive Aviation – United States
Experimental Aviation, Experimental Aviation Inc – United States
Explorair, Ebringen, Breisgau-Hochschwarzwald, Baden-Württemberg, Germany
Explorer (1), Explorer Aviation – United States
Explorer (2), Explorer Aircraft Inc – United States
Express, Express Aircraft Company LLC – United States
Express, Express Design Inc – United States
Extra, Extra Flugzeugbau GmbH – Germany
Extra, Extra Flugzeugproduktions- und Vertriebs- GmbH – Germany
F+W Emmen, Eidgenössisches Flugzeugwerk-Fabrique Fédérale d'Avions-Fabbrica Federale d'Aeroplani – B817
Fabrica de Avioanes, Fabrica de Avioanes SET – Romania
Fabrica Militar de Aviones, Fábrica Militar de Aviones – Argentina, (1927–1957) (FMA, or Military Aircraft Factory) > DINFIA > Lockheed Martin Aircraft Argentina SA
Fairchild (1), Fairchild Aircraft Corporation – United States, (1925–1996) > FairchildDornier
Fairchild (1), Fairchild Aircraft Inc – United States
Fairchild (1), Fairchild Aviation Corporation – United States
Fairchild (1), Fairchild Engine & Airplane Corporation – United States
Fairchild (1), Fairchild Industries Inc – United States
Fairchild (1), Fairchild Stratos Corporation – United States
Fairchild (2), Fairchild Aircraft Ltd. (Canada)
Fairchild Dornier, Fairchild Aerospace Corporation – United States/Germany, (1996–2002) > Avcraft, M7 Aerospace
Fairchild Hiller, Fairchild Hiller Corporation – United States
Fairchild Swearingen, Fairchild Swearingen Corporation – United States
Fairey, Fairey Aviation Company Ltd – United Kingdom
Fairtravel, Fairtravel Ltd – United Kingdom
Fajr, Fajr Aviation & Composites Industry – Iran
Falconar, Falconar Air Engineering – Canada
Falconar, Falconar Aircraft Ltd – Canada
Falconar, Falconar Avia Inc – Canada
Fanaero-Chile, Fanaero-Chile – Chile
Farigoux, Georges Farigoux – France
Farman Aviation Works, Farman Aviation Works – France, (1914–1936) > Ateliers Aéronautiques de Suresnes, SNCAC
Farrington, Farrington Aircraft Corporation, Paducah, Kentucky, United States
Fauvel, Fauvel – France
Ferber, Ferber – France, (1906) > Antoinette
Feugray, G. Feugray – France
FFA, FFA Flugzeugwerke Altenrhein AG – Switzerland
FFA, Flug und Fahrzeugwerke AG – Switzerland
FFT, Gesellschaft für Flugzeug- und Faserverbund Technologie – Germany
FFV, Försvarets Fabriksverk – Sweden, (later Förenade Fabriksverken)
FIAT, Fiat SpA – Italy, (?-1969) > Aeritalia
Fieseler, Fieseler Flugzeugbau – Germany
Fieseler, Gerhard Fieseler Werke GmbH – Germany
Fighter Escort Wings, Fighter Escort Wings – United States
Fike, William J. Fike – United States
Finavitec, Patria Finavitec OY – Finland
Fisher, Fisher Flying Products Inc – United States
Fisher Aero, Fisher Aero Corporation – United States
Flaglor, K. Flaglor – United States
Flair, Flair Aviation Company – United States
Fläming Air, Fläming Air GmbH – Germany
Fleet, Fleet Aircraft Inc – United States, (1928–1929) > Consolidated Aircraft > Fleet Aircraft of Canada
Fleet, Fleet Aircraft Ltd – Canada, (1930–1957)
Fleet, Fleet Manufacturing & Aircraft Ltd – Canada
Fleet, Fleet Manufacturing Ltd – Canada
Fleetwings, Fleetwings, Inc. – United States
Fletcher, Fletcher Aviation Company – United States
Fletcher, Fletcher Aviation Corporation – United States
Flettner, Flettner – Germany
Flight Design, Flight Design GmbH – Germany
Flight Engineers, Flight Engineers Ltd – New Zealand
Flightworks, Flightworks Corporation – United States
Flitzer, Flitzer Aero Publishing Company – United States
FLS, FLS Aerospace (Lovaux) Ltd – United Kingdom
FLSZ, Flight Level Six-Zero Inc – United States
Flug und Fahrzeugwerke, Flug und Fahrzeugwerke – Switzerland
Flug Werk, Flug Werk GmbH – Germany
Flugzeug Union Süd, Flugzeug-Union Süd GmbH – Germany
Flyer, Flyer Industria Aeronautica Ltda – Brazil
Fly Castelluccio Paramotor Paragliding and Trike srl, Ascoli Piceno, Italy
Flygindustri, AB Flygindustri – Sweden, (1925–1935) (AFI) > Malmö Flygindustri
Flygkompaniets tygverkstäder Malmslätt (FVM) – Sweden
Flying Machines s.r.o., Czech Republic.
FMA, Fábrica Militar de Aviones – Argentina
FMA, Fábrica Militar de Aviones SA – Argentina
Focke Achgelis, Focke-Achgelis – Germany
Focke-Wulf, Focke-Wulf Flugzeugbau AG – Germany
Focke-Wulf, Focke-Wulf GmbH – Germany
Fokker, Fokker BV – Netherlands
Fokker, Fokker-VFW BV – Netherlands
Fokker, NV Koninklijke Nederlandsche Vliegtuigenfabriek Fokker – Netherlands
Fokker, NV Koninklijke Nederlandse Vliegtuigenfabriek Fokker – Netherlands
Folland, Folland – United Kingdom, (1937–1959)
Ford Motor Company, Ford – United States, (1925–?)
Fornaire, Fornaire Aircraft Company – United States
Forney, Forney Aircraft Manufacturing Company – United States
Foster Wikner, Foster Wikner – United Kingdom