From Macross Compendium
A manufacturer of aircraft, particularly variable aircraft. Stonewell and Bellcom were the primary contractors for the VF-1 Valkyrie. By 2011, after the initial development and production of the VF-1 Valkyrie, Bellcom merged as an aircraft development division of Stonewell. In 2012, the aircraft development divisions of Stonewell Bellcom and Shinnakasu merged to form Shinsei Industry.
Rockwell International is the primary contractor of the Space Transportation System (Space Shuttle system). Its North American Aircraft division was the contractor for X-31A and XB-70 Valkyrie. Bell is the manufacturer and developer of helicopters and other VTOL aircraft, including the XV-15 and V-22 Osprey.