Private spaceflight companies include non-governmental or privately-owned entities focused on developing and/or offering equipment and services geared towards spaceflight, both robotic and human.
This list includes both inactive and active entities.
LEO: Low Earth orbitGTO: Geostationary transfer orbitHCO: Heliocentric orbitVTOL: Vertical take-off and landingSSTO: Single-stage-to-orbitTSTO: Two-stage-to-orbitSSTSO: Single-stage-to-sub-orbit (1/3) (Uncrewed: April 29, 2015)
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