Aerojet is a major rocket and missile propulsion manufacturer based primarily in Sacramento, California with divisions in Redmond, WA; Orange, VA; Gainesville, VA; and Camden, AR. Their products include a wide range of propulsion, from main engines used on a number of NASA vehicles and ballistic missiles, down to stationkeeping thrusters for spacecraft. The propulsion devices also include rocket motors as large as the EELV ATLAS 5 strap-on rocket boosters to providing almost all of the Army's tactical missile rocket motors.

Aerojet General Corporation