- Benson Space Company
 - Developing the Dream Chaser spaceship for commercial civilian suborbital flights and possible future orbital missions. - Space Adventures, Ltd.
- A private space exploration company. Space Adventures, Ltd. provides opportunities for actual private spaceflight and space tourism. Clients fly on zero-gravity flights, suborbital flights, on voyages to Earth orbit to the ISS, and eventually on expeditions that circumnavigate the moon.
- Space Tour
- Promoting businesses around the world with its space tourism sweepstakes. Competing for the X PRIZE.
- Spacetopia Inc.
- Features zero gravity flight programme, journeys to the edge of space, and other adventure tours.
- Starchaser Industries Ltd
- Engaged in the building of a spaceship capable of carrying three people into space.
- Virgin Galactic
- Undertaking the challenge of developing space tourism for everybody, with privately built spaceships, modeled on the history-making SpaceShipOne craft.
- Wildwings
- Features bird watching tours, deep sea exploration, expedition cruises, and more. Accepting bookings for future sub-orbital space flights.
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