These are the companies working toward space travel.

See what the companies have built
Mission profile Historic missions Future missions 68 miles 61 miles 62 miles Traditional boundarybetween atmosphere and space 7 miles Airliners cruising altitude 23 miles Weather balloons 116 miles Alan Shepard’sfirst suborbital flight (1961) 203 miles Yuri Gagarin’sfirst orbital flight (1961) 220 miles Internationalspace station Higher orbit or interplanetarytravel 176 miles Mercury programmaximum altitudeorbit (1961-1963)
60 ft. 224 ft. Existing hardware In development 28 ft. 385 ft. 133 ft. Dream Chaser Atlas V NewShepard OrbitalTransportationSystem Stratolaunchcarrier Lynx 30 ft. Falcon Antares Pegasus Human to scale SpaceShipTwo Falconheavy

SpaceX

Dragon
capsule

Orbital

Pegasus

Virgin Galactic

White
Knight
Spaceship
Two

Sierra Nevada

Dream
Chaser

Blue Origin

Biconic
space vehicle

XCOR

Lynx

Stratolaunch

Carrier
aircraft
Multi-stage
booster

Status

SOURCE: NASA, SpaceX, Virgin Galactic, Sierra Nevada, Orbital Systems, Blue Origin, XCOR, Stratolaunch Systems.