- Virgin Galactic
 - Commercial space craft developed by Richard Branson's Virgin Group. Learn about SpaceShipOne and the development of SpaceShipTwo spacecraft and its carrier WhiteKnightTwo. - United Space Alliance
- A Boeing/Lockheed Martin joint venture chartered to manage and conduct space operations work involving the operation and maintenance of multi-purpose space systems.
- SpaceDev
- Engaged in near-term commercial space exploration and the long-term development of space.
- SpaceX - Space Exploration Technologies
- SpaceX is developing a family of launch vehicles intended to reduce the cost and increase the reliability of access to space ultimately by a factor of ten, with design and manufacturing facilities located in Southern California and propulsion development and structural test facilities located in Central Texas.
- Bigelow Aerospace
- Bigelow Aerospace's goal is to bring human space flight into the arena of commercial business. Follow the progress of their Genesis I spacecraft, designed to be an inflatable habitat, which was launched into space on July 12, 2006.
- Pioneer Rocketplane
- Dedicated to revolutionizing aviation and space launch with a new transatmospheric vehicle.
- TransOrbital, Inc.
- TrailBlazer lunar orbiter, authorised by U.S. for commercial flights to the Moon, to conduct lunar exploration and mapping, as well as delivery of scientific and personal items.
- International Launch Services
- Joint venture between Lockheed Martin, Khrunichev Space Centre and RSC Energia, both of Russia, managing Atlas and Proton space launch services.
- Blue Origin
- Developing vehicles and technologies that will help enable an enduring human presence in space. Blue Origin's initial research efforts are focused on reusable liquid propulsion systems, low cost operations, life support, abort systems, and human factors.
- RSC Energia
- Rocket and space technology company.
- Eurockot
- Launch service provider for low earth orbits.
- Kistler Aerospace Corporation
- Developing a fleet of fully reusable launch vehicles to provide lower cost access to space for Earth orbiting sattelites.
- HMX, Inc
- Developers of Roton, a proposed design for a single-stage-to-orbit, reusable launch vehicle.
- Applied Aerospace Structures Corp. (AASC)
- Manufactures lightweight spacecraft, and aircraft structures.
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