| Space Agencies |
| Aerospace Cadets of the Philippines |
| Agencia Bolivariana para Actividades Espaciales |
| Astronaut ranks and positions |
| Australian Space Research Institute |
| Austrian Space Agency |
| Bhoo |
| Brazilian Space Agency |
| British National Space Centre |
| British space programme |
| Bulgarian Space Agency |
| CNES |
| COMSTAC |
| California Space Authority |
| Canadian Space Agency |
| China National Space Administration |
| Chinese space program |
| Comisión Nacional de Actividades Espaciales |
| Consultative Committee for Space Data Systems |
| Czech Space Office |
| Danish National Space Center |
| Ecuadorian Civilian Space Agency |
| Environmental Science Services Administration |
| European Space Agency |
| Florida Space Authority |
| GISTDA |
| German Aerospace Center |
| Global Educational Network for Satellite Operations |
| Hungarian Space Office |
| Indian Space Research Organisation |
| Institute of Space and Astronautical Science |
| Instituto Nacional de Técnica Aeroespacial |
| International Space Science Institute |
| Iranian Space Agency |
| Israeli Space Agency |
| Italian Space Agency |
| Japan Aerospace Exploration Agency |
| Kentucky Space |
| Korea Aerospace Research Institute |
| Malaysian National Space Agency |
| Agencia Espacial Mexicana |
| NASA |
| National Aerospace Laboratory |
| National Institute of Aeronautics and Space |
| National Space Organization (Taiwan) |
| National Space Research and Development Agency |
| Netherlands Institute for Space Research |
| Norwegian Space Centre |
| Romanian Space Agency |
| Russian Federal Space Agency |
| Soviet space program |
| Space Florida |
| Space Research Centre |
| Space Test Program |
| Space and Upper Atmosphere Research Commission |
| Swedish National Space Board |
| National Space Agency of Ukraine |
| United Nations Office for Outer Space Affairs |
| United States Naval Research Laboratory |
| Universities Space Research Association |
