- ASTRIUM - EADS Space Transportation
- Astroark
- Beyond-Earth Enterprises
- Bigelow Aerospace
- Civilian Space Exploration Team
- Colony fund
- Ecliptic Enterprises
- Kistler Aerospace Corporation
- Orbital Recovery Corporation
- Reaction Engines Ltd. (SKYLON)
- Space Adventures
- Space Dev (Space design business)
- Space Entrepreneurship Network
- Space Exploration Technologies (Space-X and the Falcon-V)
- Space Hab Space hardware contractors)
- Space Tourist
- Wickman Space & Propulsion Company (Sharp spaceplane)
- XCOR
- X-Rocket Company
- Rus-tourism - a Russian tourist company with many space-related activities