1. Bigelow Aerospace
2. Blue Origin
LLC
3. bluShift Aerospace Inc.
4. CAS Space
5. Equatorial Space Systems
6. Exos Aerospace Systems & Technologies Inc.
7. Near Space Corporation
8. Payload Aerospace SL
9. PD AeroSpace
LTD
10. Rocket Breaks Ltd.
11. Space Adventures Inc.
12. Space Exploration Technologies Corp.
13. SPACE WALKER Inc
14. Swedish Space Corporation
15. The Boeing Company
16. United Launch Alliance
LLC
17. Virgin Galactic
18. World View Enterprises
Inc
19. XCOR Aerospace
20. Zero 2 Infinity
S.L.
21. Zero Gravity Corporation