International Collaboration:
- International GNSS Service – IGS,
- European Space Agency – ESA,
- Jet Propulsion Laboratory, NASA, Pasedena, USA,
- International Earth Rotation and Reference Systems Service (IERS – International Earth Rotation Service) Frankfurt am Main, Germany,
- Polytechnic University of Catalonia, Spain,
- Aerospace Information Research Institute (AIR), Chinese Academy of Sciences, Beijing, China,
- University of Bath, United Kingdom,
- Wuhan University, China,
- Astronomical Institute, University of Bern, Switzerland,
- NRCan/EMR – Natural Resources Canada, Ottawa, Canada,
- George Mason University, USA,
- University of Massachusetts Lowell, USA,
- National Central University, Taiwan,
- Technical University of Munich, Germany.
National Collaboration:
- Space Research Centre of the Polish Academy of Sciences (CBK PAN), Warsaw,
- Head Office of Geodesy and Cartography (GUGiK), Warsaw,
- Institute of Geodesy and Cartography (IGiK), Warsaw,
- Warsaw University of Technology,
- Military University of Technology, Warsaw,
- Wrocław University of Environmental and Life Sciences,
- Gdańsk University of Technology.