Defense and aerospace:

• Lockheed Martin (incl. Skunkworks)
• Northrop Grumman
• Boeing
• L3Harris
• Nasa Armstrong Flight Research Center (formerly Dryden Research Center)
• Edwards AFB
• USAF Plant 42
• General Atomics Aeronautical Systems
• Mojave Space Port (Virgin Galactic, Stratolaunch)
• Sierra Nevada Corporation

And in the area, not defense-related:

• BYD
• Rio Tinto (U.S. Borax mine)
• Numerous solar farms and renewable