List is sorted by rating
Rating (?)
Tweets (*)
pr *
  • SpaceDev Corp.
  • www.spacedev.com
  • Offering turn-key space missions from earth-orbit to deep-space.
3.8
(si*)
-
5
  • Tethers Unlimited, Inc.
  • www.tethers.com
  • Small business that designs, develops and builds space transportation systems using space tethers to transfer energy and momentum to payloads without the use of rocket propellant.
3.8
(si*)
<5
6
  • Tecnologia Aeroespacial Mexicana
  • www.tecaeromex.com
  • Design and construction of hydrogen peroxide rockets, distillation units, and penta metallic catalyst packs. [choose between Spanish and English]
3.6
(si*)
-
3
3.6
(si*)
-
3
3.4
(si*)
<5
5
  • TransOrbital, Inc.
  • www.transorbital.net
  • A commercial venture dedicated to the development of space transportation technologies. Working in concert with others to facilitate the colonization and commercial development of space in the 21st Century.
3.4
(si*)
-
4
  • SpaceAge Control, Inc.
  • www.spaceagecontrol.com
  • Miniature and subminiature position transducers and air data probes.
3.4
(si*)
-
4
  • Space Tourism
  • www.interglobal.org
  • Interglobal 21st-Century Mall - Future space activities
3.3
(si*)
<5
3
  • Swiss Propulsion Laboratory
  • www.spl.ch
  • Focused on research and development of systems to transport small civilian payloads into a low-earth orbit. Development of liquid bi-propellant engines and solid boosters.
3.3
(si*)
-
4
  • Orbitica
  • www.orbitica.com
  • French and English site which sells gps, satellite phones, pagers, and meteo receivers.
3.3
(si*)
-
3