Accion Systems
Airbus
Aliena Pte Ltd.
ArianeGroup
Astra
Busek
Co. Inc.
CU Aerospace
ENPULSION GmbH
Moog Inc.
Neutron Star Systems
Northrop Grumman
Orbion Space Technology
Phase Four Inc.
Safran
Sitael S.p.A
Thales Alenia Space