Those are very old aerospace companies. They predate NASA. Aerojet was von Kármán's rocket company, founded in 1936. Rocketdyne was founded in 1955. Both are no

Those are very old aerospace companies. They predate NASA. Aerojet was von Kármán's rocket company, founded in 1936. Rocketdyne was founded in 1955. Both are now owned by L3Harris.