C-AstralSloveniaCall Aircraft CompanyAmerika Serikat
CanadairKanadaCanadian Aeroplanes Ltd.Kanada
Canadian Car and FoundryKanada
Canadian VickersKanada
CANSAItalia
Cantieri Aeronautici e Navali TriestiniKerajaan ItaliaCantieri Riuniti dell'AdriaticoItalia
CaproniItalia
CASASpanyolCaspar-WerkeJerman
CaudronPrancis
CekoslowakiaCekoslowakia
Celestino Rosatellimanusia
CessnaAmerika Serikat
Changhe Aircraft Industries CorporationTiongkokChantiers Aéro-Maritimes de la SeinePrancisChantiers aéronavals Étienne Romano1929Charles Fauvelmanusia
Chase AircraftAmerika Serikat
Chengdu Aircraft CorporationTiongkok
ChinculArgentinaChristen IndustriesAmerika Serikat
Chungshan Institute of Science and TechnologyTaiwanCierva Autogiro CompanyBritania Raya
Cirrus AircraftAmerika Serikat
Claudius Dorniermanusia
Clément AdermanusiaColonial Aircraft CorporationAmerika SerikatColumbia Aircraft CorporationAmerika SerikatColumbia Aircraft Manufacturing CorporationAmerika Serikat
COMACTiongkokComco IkarusJerman
Commonwealth Aircraft Corporation1936Compañía Española de Sistemas AeronáuticosSpanyolComper Aircraft Company1929
Conair GroupKanadaConnecticut AircraftNew Haven
Consolidated AircraftAmerika SerikatConstructions Aéronautiques du Béarn1948ConvairAmerika SerikatCornerstone Research GroupAmerika SerikatCorvus Hungary LLC2011Culver Aircraft CompanyAmerika SerikatCunningham-Hall Aircraft CorporationAmerika Serikat
Curtiss Aeroplane and Motor CompanyAmerika Serikat
Curtiss-WrightAmerika Serikat
Czech Sport AircraftCekoČKD-PragaCekoslowakia
CanadairKanadaCanadian Aeroplanes Ltd.KanadaCanadian Car and FoundryKanadaCanadian VickersKanadaCANSAItaliaCantieri Aeronautici e Navali TriestiniKerajaan ItaliaCantieri Riuniti dell'AdriaticoItaliaCaproniItaliaCASASpanyolCaspar-WerkeJermanCaudronPrancisCekoslowakiaCekoslowakiaCelestino RosatellimanusiaCessnaAmerika SerikatChanghe Aircraft Industries CorporationTiongkokChantiers Aéro-Maritimes de la SeinePrancisChantiers aéronavals Étienne Romano1929Charles FauvelmanusiaChase AircraftAmerika SerikatChengdu Aircraft CorporationTiongkokChinculArgentinaChristen IndustriesAmerika SerikatChungshan Institute of Science and TechnologyTaiwanCierva Autogiro CompanyBritania RayaCirrus AircraftAmerika SerikatClaudius DorniermanusiaClément AdermanusiaColonial Aircraft CorporationAmerika SerikatColumbia Aircraft CorporationAmerika SerikatColumbia Aircraft Manufacturing CorporationAmerika SerikatCOMACTiongkokComco IkarusJermanCommonwealth Aircraft Corporation1936Compañía Española de Sistemas AeronáuticosSpanyolComper Aircraft Company1929Conair GroupKanadaConnecticut AircraftNew HavenConsolidated AircraftAmerika SerikatConstructions Aéronautiques du Béarn1948ConvairAmerika SerikatCornerstone Research GroupAmerika SerikatCorvus Hungary LLC2011Culver Aircraft CompanyAmerika SerikatCunningham-Hall Aircraft CorporationAmerika SerikatCurtiss Aeroplane and Motor CompanyAmerika SerikatCurtiss-WrightAmerika SerikatCzech Sport AircraftCekoČKD-PragaCekoslowakia