| Radio Amateur Club de L'Espace (RACE) |
 France |
Academic / research |
|
0 |
1 |
0 |
| RCA Global Communications Inc. (RCA Globcom) |
 United States |
Commercial |
1975 |
0 |
1 |
0 |
| Rogue Space Systems Corp. (Rogue Space) |
United States |
Commercial |
2020 |
0 |
1 |
0 |
| Romanian InSpace Engineering (RISE) |
 Romania |
Commercial |
2022 |
0 |
1 |
0 |
| Royal Thai Air Force (RTAF) |
 Thailand |
Government / agency |
1913 |
0 |
1 |
0 |
| Russian Institute for Space Device Engineering (RISDE) |
|
Government / agency |
1978 |
0 |
1 |
0 |
| Salish Kootenai College (Salish Kootenai) |
United States |
Academic / research |
1977 |
0 |
1 |
0 |
| Satoro Space (Satoro) |
 Taiwan |
Commercial |
2020 |
0 |
1 |
0 |
| SatRec Initiative (SatRec Initiative) |
 South Korea |
Commercial |
1999 |
0 |
1 |
0 |
| Scanway S.A. (Scanway) |
 Poland |
Commercial |
2020 |
0 |
1 |
0 |
| Scuola Universitaria Professionale della Svizzera, Dipart. Tecn. Innovative (SUPSI DTI) |
 Switzerland |
Academic / research |
1997 |
0 |
1 |
0 |
| Secretaria de Comunicaciones y Transportes (SCT) |
 Mexico |
Commercial |
1891 |
0 |
1 |
0 |
| Seiren Co. Ltd. (Seiren) |
 Japan |
Commercial |
1889 |
0 |
1 |
0 |
| Sejong University (Sejong U.) |
South Korea |
Academic / research |
1940 |
0 |
1 |
0 |
| Sen Corporation Ltd (Sen) |
 United Kingdom |
Commercial |
2007 |
0 |
1 |
0 |
| Sergio Arboleda University (USergioArb) |
 Colombia |
Academic / research |
1984 |
0 |
1 |
0 |
| SES Global (SES Global) |
 Luxembourg |
Commercial |
2001 |
0 |
1 |
0 |
| Seventh Ministry of Machine Building Industry (CASC) |
 China |
Government / agency |
1964 |
0 |
1 |
0 |
| Shanghai Landspace Hongqing Technology Co., Ltd. (Hongqing Keji) |
China |
Commercial |
|
0 |
1 |
0 |
| Siberian State Aerospace University (SibGAU) |
 Russia |
Academic / research |
1960 |
0 |
1 |
0 |
| Singapore Technologies Electronics Ltd (ST Electronics) |
 Singapore |
Commercial |
1969 |
0 |
1 |
0 |
| Sino Satellite Communications Co. (Sinosat) (Sinosat) |
China |
Commercial |
1994 |
0 |
1 |
0 |
| SITAEL SpA. (SITAEL SpA) |
 Italy |
Commercial |
2014 |
0 |
1 |
0 |
| SkyTerra Comms (SkyTerra Comms) |
United States |
Commercial |
2003 |
0 |
1 |
0 |
| Slovenian Centre of Excellence for Space Sci. and Techs. (Space-SI) |
 Slovenia |
Academic / research |
2010 |
0 |
1 |
0 |
| SmartSat Cooperative Research Centre (SmartSat CRC) |
 Australia |
Academic / research |
|
0 |
1 |
0 |
| Solomon Kilohertz LLC (Solomon KHz) |
 Solomon Islands |
Commercial |
|
0 |
1 |
0 |
| Sorun Corporation (Sorun) |
Japan |
Commercial |
2001 |
0 |
1 |
0 |
| Southern U. of Science and Technology (SUSTech) |
China |
Academic / research |
2010 |
0 |
1 |
0 |
| Space Academy Nepal (Antarikchya) |
 Nepal |
Academic / research |
2024 |
0 |
1 |
0 |
| Space and Planetary Exploration Lab, University of Chile (SPEL/UCH) |
 Chile |
Academic / research |
|
0 |
1 |
0 |
| Space Forge (Space Forge) |
United Kingdom |
Commercial |
2018 |
0 |
1 |
0 |
| Space Imaging Inc (SpaceIm) |
United States |
Commercial |
1994 |
0 |
1 |
0 |
| Space Inventor A/S (Space Inventor) |
 Denmark |
Commercial |
2015 |
0 |
1 |
0 |
| Space Lintech (Space LinTech) |
South Korea |
Commercial |
2021 |
0 |
1 |
0 |
| Space Machines Co. (Space Machines) |
Australia |
Commercial |
|
0 |
1 |
0 |
| Space Oriented Higashiosaka Leading Association (SOHLA) |
Japan |
Commercial |
2003 |
0 |
1 |
0 |
| Space Systems International - Monaco S.A.M. (SSI Monaco) |
 Monaco |
Commercial |
2009 |
0 |
1 |
0 |
| SpaceLocker (SpaceLocker) |
France |
Commercial |
2022 |
0 |
1 |
0 |
| SPOT Image (SPOT Image) |
France |
Commercial |
1982 |
0 |
1 |
0 |
| SRM (Sri Ramaswamy Memorial) University (SRM Uni.) |
 India |
Academic / research |
2006 |
0 |
1 |
0 |
| Stanford University (Stanford) |
United States |
Academic / research |
1885 |
0 |
1 |
0 |
| Star Vision (STAR VISION) |
China |
Commercial |
|
0 |
1 |
0 |
| Starcloud LLC (Starcloud) |
United States |
Commercial |
2024 |
0 |
1 |
0 |
| Starfish Space (Starfish Space) |
United States |
Commercial |
2019 |
0 |
1 |
0 |
| Stellenbosch University (Stellenbosch) |
 South Africa |
Academic / research |
1866 |
0 |
1 |
0 |
| Students for the Exploration and Development of Space (HSV) (SEDS-HSV) |
United States |
Academic / research |
|
0 |
1 |
0 |
| Sultan Qaboos University (Sultan Qaboos U) |
 Oman |
Academic / research |
1986 |
0 |
1 |
0 |
