| Baumanets | R&D space technology satellite primarily for students (Roscosmos) |
| BBC | Black Body Calibration (Meteosat) |
| BCCP | Business Continuity and Contingency Plan (USA) |
| BMD | Basic Meteorological Data |
| BMTC | Australia Bureau of Meteorology Training Centre |
| BTD | Brightness Temperature Differences |
| BUFR | Binary Universal Form for data Representation |
| BSS | Broadcasting Satellite Service |
- China Meteorological Administration
- China National Space Administration
- Centre National d'Etudes Spatiales
- The European Space Agency
- EUMETSAT
- India Meteorological Department
- Intergovernamental Oceanographic Commission of UNESCO
- Indian Space Research Organisation
- Japan Aerospace Exploration Agency
- Japan Meteorolocical Agency
- Korea Meteorological Administration
- National Aeronautics and Space Administration
- U.S. National Oceanic and Atmospheric Administration
- Federal Space Agency
- Russian Federal Service for Hydrometeorology and Environmental Monitoring
- World Meteorological Organization