Redstone: Designer: Army Ballistic Missile Agency (Now Marshall Spaceflight Center) Manufacturer: Chrysler

Atlas: Convair and its successor interests (General Dynamics, Lockheed, ULA)

Saturn V: NASA Marshall, Boeing, North American and Douglas

Ariane: EADS Astrium and Arianespace/CNES (French Space Agency)

So, yeah, they've always been commercial, but they haven't always been commerically driven or (entirely) commercially managed.