See also:

• Science: Technology: Space: Launch Vehicles: Experimental and Futuristic  (9)
• Science: Technology: Space: Launch Vehicles: X-prize  (13)

• Blue Origin - Aerospace research and development company working on spacecraft and launch systems with the ultimate goal of contributing to an enduring human presence in space.
• The Colony Fund - Public venture capital fund for the space entreprenurial sector
• Cygo's Space Initiative - Organization and forum focused on mining the asteroids.
• EarthColony1 - Nonprofit plan to establish the first near-earth space colony to preserve human culture and forward human expansion into space.
• The Eros Project - Space property rights - attempt at legal recognition for a claim to the asteroid Eros.
• 4Frontiers Corporation - Technology company focused on developing self-sustaining permanent Mars settlement.
• Galactic Mining Industries Inc. - Established to colonize space through profit from mining extraterrestrial resources.
• Kennedy II Lunar Exploration Project (K2LX) - Proposal to develop the Moon; funding in part through real estate sales.
• The L5 Development Group - A privately funded, for profit, space exploration and development program whose initial business plan is to build space colonies at L5 and manufacture solar power satellites to meet the Earth's energy needs
• Lifeboat Foundation - Arguments why life on Earth may become extinct in the coming century, and a plan to save humanity through colonies in space.
• LiftPort - The Space Elevator Company - Company devoted to building a vital and highly profitable infrastructure for off-world industry. The Space Elevator is a key enabling technology for any work done off the planet, whether in near-earth orbit, at geosynchronous distances, or far beyond the moon.
• Orbital Development - Greg Nemitz's space development company.
• 1000 Planets Inc. - Company news and activities - a for-profit space venture looking at space transportation and colonization opportunities.