1. National Aeronautics and Space Administration (NASA): International Space Station (ISS).
www.nasa.gov/mission_pages/station
2. European Space Agency (ESA): Automated Transfer Vehicle (ATV).
www.esa.int/Our_Activities/Human_Spaceflight/ATV
3. European Space Agency (ESA).
www.esa.int
4. Thales Alenia Space.
www.thalesgroup.com/Markets/Space/Home
5. Canadian Space Agency (CSA).