Aberdeen Proving Ground
Air Force Flight Test Center
Ames Research Center

CERN

DLR (German Center for Aersopace Research)
Dryden Flight Research Center

ESRIN (European Space Operations Center)
ESSA (Environmental Science Services Administration)
ESTEC (European Space Research and Technology Centre)

Glenn Research Center
Goddard Institute for Space Studies
Goddard Space Flight Center

INPE (Brazilian National Institute for Space Research)
International Space Science Institute

Jet Propulsion Laboratory (JPL)
Johnson Space Center

Kennedy Space Center

Langley Research Center

Marshall Space Flight Center

National Physical laboratory (NPL)

Plum Brook Research Station

Russian Space Research Institute (IKI)

Spadeadam Rocket Establishment
Stennis Space Center