| Aurora Research Institute, Aurora College (Aurora College) |
 Canada |
Academic / research |
1981 |
0 |
0 |
0 |
| Auspace Pty (Auspace) |
 Australia |
Commercial |
1983 |
0 |
0 |
0 |
| Aussat Pty, Australia (Aussat) |
Australia |
Commercial |
1982 |
0 |
0 |
0 |
| Australian Space Agency (AUSA) |
Australia |
Government / agency |
2018 |
0 |
0 |
0 |
| Austrian Space Agency (ALR) |
 Austria |
Government / agency |
1972 |
0 |
0 |
0 |
| Austrian Space Forum (OeWF) |
Austria |
Academic / research |
2006 |
0 |
0 |
0 |
| Avant Space (Avant Space) |
 Russia |
Commercial |
2021 |
0 |
0 |
0 |
| Avco Corporation (Avco) |
 United States |
Commercial |
1956 |
0 |
0 |
0 |
| Avibras Industria Aeroespacial (Avibras) |
 Brazil |
Commercial |
1961 |
0 |
0 |
0 |
| Avions Marcel Dassault (Dassault) |
 France |
Commercial |
1951 |
0 |
0 |
0 |
| Axiom Space (AXS) |
United States |
Commercial |
2016 |
0 |
0 |
0 |
| Azerbaijan National Aerospace Agency (AMAKA) |
 Azerbaijan |
Government / agency |
1992 |
0 |
0 |
0 |
| B\"olkow-Entwicklungen KG (Bolkow) |
 Germany |
Commercial |
1956 |
0 |
0 |
0 |
| Babcock Integrated Technology Ltd. (Babcock) |
 United Kingdom |
Commercial |
2008 |
0 |
0 |
0 |
| BAe Electronic Systems, Nashua (BAE NH) |
United States |
Commercial |
2000 |
0 |
0 |
0 |
| BAE In-Space Missions (In-Space BAE) |
United Kingdom |
Commercial |
2021 |
0 |
0 |
0 |
| Ball Aerospace & Technologies Corp. (BLL) |
United States |
Commercial |
1956 |
0 |
0 |
0 |
| Baltic State Technical U. "Voenmekh" D.F. Ustinov (BGTU) |
Russia |
Academic / research |
1932 |
0 |
0 |
0 |
| Bangkok Christian College (Bangkok Cr.Col.) |
 Thailand |
Academic / research |
1902 |
0 |
0 |
0 |
| Bayern-Chemie GmbH (Bayern-Chemie) |
Germany |
Commercial |
1969 |
0 |
0 |
0 |
| BAZOOMQ Space Research Lab (BAZOOMQ) |
 Armenia |
Academic / research |
2020 |
0 |
0 |
0 |
| BD SENSORS sro. (BD SENSORS) |
 Czechia |
Commercial |
|
0 |
0 |
0 |
| Beijing Aerospace Ark Space Technology Co. Ltd (Ark Space) |
 China |
Commercial |
2018 |
0 |
0 |
0 |
| Beijing Bayi School (Bayi School) |
China |
Academic / research |
|
0 |
0 |
0 |
| Beijing Caton Universal Technology Co. Ltd. (Caton Univ. Tech) |
China |
Commercial |
2016 |
0 |
0 |
0 |
| Beijing Comsat Technology Development Co. Ltd. (Beijing TWK) |
China |
Commercial |
2018 |
0 |
0 |
0 |
| Beijing Inst. of Technology (BIT) |
China |
Academic / research |
1940 |
0 |
0 |
0 |
| Beijing Institute of Remote Sensing Info. (GS Aerospace Reco (BYXYS) |
China |
Government / agency |
|
0 |
0 |
0 |
| Beijing Jianyuan Tech Co Ltd. (Space Epoch) (SEpoch) |
China |
Commercial |
2019 |
0 |
0 |
0 |
| Beijing Jiutian Satellite Tech Development Co Ltd. (Jiutian) |
China |
Commercial |
2017 |
0 |
0 |
0 |
| Beijing Qiansheng Exploration Tech Co Ltd. (Qiandao Tansuo) |
China |
Commercial |
2018 |
0 |
0 |
0 |
| Beijing Smart Satellite Technology Co Ltd. (SMART) |
China |
Commercial |
2018 |
0 |
0 |
0 |
| Beijing University of Aeronautics and Astronautics (Beihang) |
China |
Academic / research |
1952 |
0 |
0 |
0 |
| Beijing Xingyuan Aerospace Tech Co. Ltd. (Xingyuan HT) |
China |
Commercial |
|
0 |
0 |
0 |
| Beijing Zero Gravity Lab (Ling Zhong) |
China |
Commercial |
2015 |
0 |
0 |
0 |
| Belarus Space Agency (BSA) |
 Belarus |
Government / agency |
2015 |
0 |
0 |
0 |
| Belgian Air Component (Luchtcomponent) |
 Belgium |
Government / agency |
2002 |
0 |
0 |
0 |
| Belgian Air Force (Belg. Luchtmacht) |
Belgium |
Government / agency |
1949 |
0 |
0 |
0 |
| Belgian Institute for Space Aeronomy (BIRA) |
Belgium |
Government / agency |
|
0 |
0 |
0 |
| Belgorod State University (BelSU) |
Russia |
Academic / research |
1876 |
0 |
0 |
0 |
| Bell Aircraft (Air Force Plant 38) (Bell) |
United States |
Commercial |
1935 |
0 |
0 |
0 |
| Bell Textron (Bell) |
United States |
Commercial |
1935 |
0 |
0 |
0 |
| Ben-Gurion University of the Negev (Ben-Gurion U.) |
 Israel |
Academic / research |
1969 |
0 |
0 |
0 |
| Benchmark Space (Benchmark) |
United States |
Commercial |
2014 |
0 |
0 |
0 |
| Bendix Systems Div. (Bendix) |
United States |
Commercial |
|
0 |
0 |
0 |
| Bergische Universit\"at Gesamthochschule Wuppertal (BUGW) (Wuppertal) |
Germany |
Academic / research |
1972 |
0 |
0 |
0 |
| Berlin Space Technologies GmbH (Berlin Space T.) |
Germany |
Commercial |
2014 |
0 |
0 |
0 |
| Bern University (Bern) |
 Switzerland |
Academic / research |
1834 |
0 |
0 |
0 |
