| Sfera Space Information Technologies (Sfera-KIT) |
 Russia |
Commercial |
2022 |
0 |
0 |
0 |
| Shaanxi Silk Road Tiantu Sat. Tech. Co. Ltd. (Silu Tiantu) |
 China |
Commercial |
2019 |
0 |
0 |
0 |
| Shandong Insitute of Industrial Technology (Shandong changye) |
China |
Commercial |
|
0 |
0 |
0 |
| Shandong Province Government (Shandong) |
China |
Government / agency |
1945 |
0 |
0 |
0 |
| Shanghai Bureau of Astronautics (SHBOA) |
China |
Government / agency |
1980 |
0 |
0 |
0 |
| Shanghai Commsat Tech Dev Co Ltd. (Jiutian Shanghai) |
China |
Commercial |
2016 |
0 |
0 |
0 |
| Shanghai Electric Power Inst. (SDJU) |
China |
Academic / research |
1953 |
0 |
0 |
0 |
| Shanghai Inst of Machine and Electrical Design (SIMED/Shanghai) |
China |
Academic / research |
1958 |
0 |
0 |
0 |
| Shanghai Jiao Tong University (SJTU) |
China |
Academic / research |
1896 |
0 |
0 |
0 |
| Shanghai kexue daxue (Shangkeda) |
China |
Academic / research |
2013 |
0 |
0 |
0 |
| Shanghai OK wei hangtian keji YG (SPACEOK) |
 United States |
Commercial |
|
0 |
0 |
0 |
| Shanghai Satellite Technology (Weixing Keji) |
China |
Commercial |
|
0 |
0 |
0 |
| Shantou Institute of Electronics Technology (CALT/Shantou) |
China |
Commercial |
|
0 |
0 |
0 |
| Sharif University of Technology (SUT) |
 Iran |
Academic / research |
1966 |
0 |
0 |
0 |
| Sheffield University (Sheffield) |
 United Kingdom |
Academic / research |
1905 |
0 |
0 |
0 |
| Sheldahl Inc. (former GT Schjeldahl) (Sheldahl) |
United States |
Commercial |
1974 |
0 |
0 |
0 |
| Shenzhen Origin Space Tech. Co. Ltd. (Origin Space) |
China |
Commercial |
2019 |
0 |
0 |
0 |
| Shinshu University (Shinshu U) |
 Japan |
Academic / research |
1949 |
0 |
0 |
0 |
| Sierra Lobo, Inc. (Sierra Lobo) |
United States |
Commercial |
1994 |
0 |
0 |
0 |
| SilverSat (SilverSat) |
United States |
Academic / research |
2016 |
0 |
0 |
0 |
| Sirius Educational Center (OTs Sirius) |
Russia |
Academic / research |
2014 |
0 |
0 |
0 |
| SK Telecom (SK Tel) |
 South Korea |
Commercial |
1997 |
0 |
0 |
0 |
| SKB-30 (G B Kisunko) (SKB-30) |
|
Government / agency |
1960 |
0 |
0 |
0 |
| SKB-385 (Makeev) (SKB-385) |
|
Government / agency |
1959 |
0 |
0 |
0 |
| SKB-385, Zlatoust (SKB-385) |
|
Government / agency |
1949 |
0 |
0 |
0 |
| Skolkovo Institute of Science and Technology (Skol. Inst.) |
Russia |
Academic / research |
2011 |
0 |
0 |
0 |
| Sky and Space Global Ltd (Australia) (Sky Space Global) |
 Australia |
Commercial |
2016 |
0 |
0 |
0 |
| SKY Perfect JSAT Group (JSAT) |
Japan |
Commercial |
|
0 |
0 |
0 |
| SkyFox Labs s.r.o. (SkyFox Labs) |
 Czechia |
Commercial |
2014 |
0 |
0 |
0 |
| Skyline Celestial (Skyline Cel) |
United States |
Commercial |
2020 |
0 |
0 |
0 |
| Skyrora (SKR) |
United Kingdom |
Commercial |
2017 |
0 |
0 |
1 |
| Slovak Air Force (Slovak AF) |
 Slovakia |
Government / agency |
1993 |
0 |
0 |
0 |
| Slovak Organization for Space Activities (SOSA) |
Slovakia |
Academic / research |
2013 |
0 |
0 |
0 |
| Smithsonian Astrophysical Observatory (SAO) |
United States |
Government / agency |
1955 |
0 |
0 |
0 |
| SN Southeast Aero Construction (SNCASE) |
 France |
Commercial |
1937 |
0 |
0 |
0 |
| SN Southwest Aero Construction (SNCASO) |
France |
Commercial |
1945 |
0 |
0 |
0 |
| SNECMA Motors (SNECMA) |
France |
Commercial |
1966 |
0 |
0 |
0 |
| Snowdon Consulting Ltd. (Snowdon SCL) |
 New Zealand |
Commercial |
|
0 |
0 |
0 |
| Soci\'et\'e d'Etudes de la Propulsion par Reaction (SEPR) |
France |
Commercial |
1964 |
0 |
0 |
0 |
| Soci\'et\'e Europ\'eene de Propulsion (SEP) |
France |
Commercial |
1969 |
0 |
0 |
0 |
| Soci\'et\'e pour l'etude et la r\'ealisation d'engins ballistiques (SEREB) |
France |
Commercial |
1959 |
0 |
0 |
0 |
| Société d'étude et de réalisation d'engins balistiques |
France |
Commercial |
1959 |
0 |
0 |
3 |
| Societe Nationale de Constructions Aeronautiques du Nord (SNCAN) |
France |
Commercial |
1921 |
0 |
0 |
0 |
| Societe Nationale de Poudres et Explosifs (SNPE) (SNPE) |
France |
Commercial |
1971 |
0 |
0 |
0 |
| Soka Daigaku (Soka U) |
Japan |
Academic / research |
1969 |
0 |
0 |
0 |
| Solaris Mobile (Solaris Mobile) |
 Ireland |
Commercial |
2008 |
0 |
0 |
0 |
| Sonoma State University (Sonoma State) |
United States |
Academic / research |
1960 |
0 |
0 |
0 |
| Sony Computer Science Laboratories, Inc. (Sony CSL) |
Japan |
Commercial |
|
0 |
0 |
0 |
