Space Station & Colony

List of companies that are active in building sustainable space habitat, or intending to establish a space colony in Mars or Moon.

United States
American space technology startup company, based in North Las Vegas, Nevada that manufactures and develops expandable space station modules. Bigelow Aerospace was founded by Robert Bigelow in 1998 and is funded in large part by the profit Bigelow gained through his ownership of the hotel chain.
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Russia
OAO S. P. Korolev Rocket and Space Corporation Energia, also known as RSC Energia, is a Russian manufacturer of spacecraft and space station components.
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United States
An American privately held electronic systems provider and systems integrator specializing in microsatellites, telemedicine, and commercial orbital transportation services. Sierra Nevada Corporation operates under the leadership of Chief Executive Officer, Fatih Ozmen and President, Eren Ozmen. The company contracts with the US military, NASA and private spaceflight companies.
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United States
Space Exploration Technologies Corporation, better known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California, United States.
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