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Analytical Graphics - http://www.stk.com/
Leader in space software - download free Satellite Tool Kit |
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SpaceDev Corp. - http://www.spacedev.com/
For profit space development emphasizing low-cost mission solutions, off-the-shelf-components and inexpensive mission design, construction and operations. |
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Tethers Unlimited, Inc. - http://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. |
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TransOrbital, Inc. - http://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. |
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HMX Inc. - http://www.hmx.com/
Development and testing of liquid and hybrid rocket engine designs. |