List of SMPAG Members as of 02 Feb 2018:

AEM (Mexico)
ASE (Association of Space Explorers - status as observer)
ASI (Italy)
BELSPO (Belgium)
CNSA (China)
CNES (France)
DLR (Germany)
ESO (status as observer)
FFG - Austrian Research Promotion Agency (Austria)
IAA (status as observer)
IAU (status as observer)
IAWN (ex-officio)
ISA (Israel)
JAXA (Japan)
KASI (Korea)
SUPARCO (Pakistan)
ROSA (Romania)
ROSCOSMOS (Russian Federation)
SSAU (Ukraine)
UK Space Agency (UK)
UN Office of Outer Space Affairs (OOSA - Status as observer)