| Military-Topographic Service of the Soviet Army | RU | gov defense | - | 0 |
| Ministry of General Machine Building | RU | gov defense | 1965 | 0 |
| Western Union Telegraph Corp. | US | academic | - | 0 |
| Fairchild Space and Electronics | US | commercial | - | 0 |
| Priroda Center GUGK | RU | gov civil | - | 0 |
| Netherlands Institute for Aeronautics and Spaceflight | NL | ngo | - | 0 |
| Fokker Space | NL | commercial | 1955 | 0 |
| Arsenal Design Bureau | RU | commercial | 1711 | 0 |
| Aeronutronic Ford Western Development Labs | US | commercial | - | 0 |
| RCA Global Communications Inc. | | commercial | - | 0 |
| PT Perusahaan Umum Telekomunikasi (PT Perumtel) | ID | commercial | 1974 | 0 |
| Ministry of Comms. Union Radio Comms. | RU | gov civil | - | 0 |
| Ford Aerospace, Palo Alto | US | commercial | - | 0 |
| Aeritalia Space Systems | IT | commercial | 1969 | 0 |
| MESH Consortium (MATRA, ERNO, SAAB, HSD) | FR | commercial | 1960 | 0 |
| Moscow Aviation Institute, Student KB Iskra | RU | academic | - | 0 |
| Moscow Power Engineering Institute | RU | academic | 1930 | 0 |
| Institute of Geology of the Czech Academy of Sciences | CZ | academic | - | 0 |
| Meteorological Service | RU | gov civil | - | 0 |
| NPO Molniya, Tushino Mash. Zavod. | RU | commercial | 1976 | 0 |
| Toshiba Komukai Works | JP | commercial | - | 0 |
| Ministry of Astronautics Industry | CN | gov defense | 1988 | 0 |
| Meta Futura Aerospace | | commercial | - | 0 |
| Emart | KR | commercial | - | 0 |
| Space Data Corp. | US | commercial | - | 0 |
| GTE Spacenet Corp | US | commercial | - | 0 |
| France Telecom | FR | commercial | - | 0 |
| Max Planck Institut fur Extraterrestrische Physik | DE | academic | - | 0 |
| Weber State University | US | commercial | 1974 | 0 |
| Secretaria de Comunicaciones y Transportes | MX | gov civil | - | 0 |
| Contel ASC Inc. | US | commercial | - | 0 |
| Defense Systems Inc | US | commercial | - | 0 |
| Japanese Amateur Radio League | JP | ngo | 1926 | 0 |
| Koku Ucyu Gijyutsu Kenkyujyo (National Aerospace Lab) | JP | gov civil | 1955 | 0 |
| DBP Telecom | DE | commercial | 1989 | 0 |
| Ministry of Aerospace Industry | CN | gov defense | 1956 | 0 |
| Directorate of Defense Research & Development | IL | gov defense | - | 0 |
| JCSAT (Japan Communications Satellite Corp), Nippon | JP | commercial | - | 0 |
| Space Communications Corp | JP | commercial | - | 0 |
| Korolev Aviation Institute | RU | academic | - | 0 |
| British Satellite Broadcasting | GB | commercial | - | 0 |
| PO Polyot | RU | commercial | - | 0 |
| Ministry of Geology and Conservation | RU | gov civil | - | 0 |
| Topographics Service of the Russian Armed Froces | RU | gov defense | - | 0 |
| Rosgidromet NITs Planeta | RU | gov civil | - | 0 |
| ESIEESPACE, Ecole Sup. d'Ingenieurs en Electron. et Electrotechnique | FR | academic | - | 0 |
| Voenno-Vosdushniye Sili | US | commercial | - | 0 |
| Samara State Aerospace University | RU | academic | 1942 | 0 |
| Complex-MIT, Moscow Inst of Thermal Tech. | RU | gov defense | 1946 | 0 |
| Tether Applications | US | commercial | 1989 | 0 |