During the early years of spaceflight only nation states had the resources to develop and fly spacecraft.
In the 1990s the Russian government sold their majority stake in RSC Energia to private investors (although it has recently renationalized the Russian space sector in 2013–2014.
[1]) These events for the first time allowed private organizations to purchase, develop and offer space launch services; beginning the period of private spaceflight in the late-1980s and early-1990s.
There are 10 major companies that build large, commercial, Geosynchronous satellite platforms: In addition to those above, the following companies have successfully built and launched (smaller) satellite platforms: Under Development (Hybrid Rocket) HANBIT-Nano HANBIT-Micro HANBIT-Mini Commercial wings of national space agencies: SmallSat off-the-shelf solutions including ADCS (reaction wheels range), SADM, deployable structure and electric propulsion (Plasma Jet Pack) Supplier of space systems and ISS payload NightPod Drive electronics for Sentinel 1 and BepiColombo MTM.
Booster attachment struts, including separation function, for Ariane 5.