航空航太器和結構部件

頂級製造商

• Southwest Machine & Plastic Co Inc
• United Aeronautical Corporation
• Boeing Company, The
• U S Army Aviation and Missile
• Northrop Grumman Systems Corporation
• Essner Manufacturing, L.p.
• Boeing Company, The
• Sikorsky Aircraft Corporation
• Boeing Company, The
• Bell Helicopter Textron Inc.