Below is a partial list of aerospace companies & government agencies, many of which are located in Southern California

• Boeing (including Canoga Park, Huntington Beach, Long Beach, & Seal Beach in Southern California)
• Lockheed Skunk Works
• Northrop Grumman
• TRW
• Hughes
• Raytheon
• Aerospace Corporation
• Bombardier
• Gulfstream
• AASI
• General Dynamics
• NASA

  NASA Centers

  NASA Headquarters, Washington, DC.
  Ames Research Center, Moffett Field, CA.
  Dryden Flight Research, Center, Edwards, CA.
  Glenn Research Center at Lewis Field, Cleveland,OH
  Goddard Institute for Space Studies, New York, NY
  Goddard Space Flight Center, Greenbelt, MD.
  Independent Validation & Verification Facility,Fairmont, WV.
  Jet Propulsion Laboratory, Pasadena CA.
  Johnson Space Center, Houston, TX.
  Kennedy Space Center , FL.
  Langley Research Center, Hampton, VA.
  Marshall Space Flight Center , Huntsville, AL.
  Moffett Federal Airfield , Mountain View, CA.
  Stennis Space Center , MS.
  Wallops Flight Facility , Wallops Island, VA.
  White Sands Test Facility , White Sands, NM.