Commercial spacetravel

At this moment there are four large commercial space travel company's

At first we have Virgin Galactic which is a very well known company recently they have been a lot in the media because of their new spacecraft, Spaceship Two.
Virgin Galactic is the world's first spaceline. Giving you the groundbreaking opportunity to become one of the first ever non-professional astronauts. Virgin Galactic will own and operate its privately built spaceships, modelled on the remarkable, history-making SpaceShipOne.
Virgin's vast experience in aviation, adventure, luxury travel and cutting-edge design combined with the unique technology developed by Burt Rutan will ensure an unforgettable experience unlike any other available to mankind.
With safety at the forefront, our unique spacecraft is being designed at Rutan's base in Mojave, California alongside a concerted research and development programme.
"The deal with Mojave Aerospace Ventures is just the start of what we believe will be a new era in the history of mankind, one day making the affordable exploration of space by human beings a real possibility." Richard Branson.
It is these spaceships that will allow affordable sub-orbital space tourism for the first time in the history of the universe.
Website: http://www.virgingalactic.com/htmlsite/index.php

Bigelow Aerospace is also a well known company.
Bigelow Aerospace is dedicated to developing next-generation crewed space complexes to revolutionize space commerce and open up the final frontier to all of humanity. At Bigelow Aerospace, we're building the future today!
website: http://www.bigelowaerospace.com/

Space adventures is also offering space flights, you even can travel to the moon but it will cost you a 100 million dollar.
Space Adventures' vision is to open spaceflight and the space frontier to private citizens.
Over the next decade Space Adventures will fly more people to space than have made the journey since the dawn of the Space Age. Our clients will fly on suborbital flights, on voyages to Earth orbit and on historic expeditions that circumnavigate the moon. Flights will leave from spaceports both on Earth and in space, visiting private space stations, and aboard dozens of different vehicles. By continually providing newly available space experiences and improving existing space experiences, Space Adventures will continue to lead the private spaceflight industry that it begun in 2001 with the flight of the world's first space tourist.
website: http://www.spaceadventures.com/

And last but not least Spacedev this is the largest commercial space travel company.
SpaceDev (OTCBB:SPDV) is an entrepreneurial space systems company that develops high performance, innovative components and systems that are changing how we get to, explore, and use space. Our products range from spacecraft actuators that power the Mars rovers, to hybrid rocket technologies that powered the first commercial astronaut to space, and from microsatellites controlled by the Internet to Dream Chaser™, a winged and piloted orbital commercial spacecraft. SpaceDev products innovate, enable and perform.
website: http://www.spacedev.com/