1worldspace (1WSP)
Type: Commercial
Fondazione: 1960
USA
Ad Astra Rocket Company (AARC)
Type: Commercial
Fondazione: 2005
USA
Aerojet (Aerojet)
Type: Commercial
Fondazione: 1942
USA
Aeronautics and Space Research and Diffusion Center (CIDA-E)
Type: Government
Fondazione: 1975
URY
Aérospatiale ()
Type: Government
Fondazione: 1970
FRA
Aevum (AEV)
Type: Commercial
Fondazione: N/A
USA
Agency for Defense Development (ADD)
Type: Government
Fondazione: 1970
KOR
Airbus Defence and Space (ADS)
Type: Multinational
Fondazione: 2014
FRA,ITA,DEU,ESP,GBR
Algerian Space Agency (ASAL)
Type: Government
Fondazione: N/A
DZA
Alliant Techsystems (ATK)
Type: Commercial
Fondazione: N/A
USA
AlYahSat (ALYAH)
Type: Commercial
Fondazione: N/A
ARE
Amazon Leo (Amazon)
Type: Private
Fondazione: 2019
USA