Membership
ord - ordinary member
obs - observatory member
Members
| Member society | website | staff | membership | |
| Australia | AAMM | staff | obs | |
| Bulgaria | BDMM | staff | ord | |
| Canada | CAOM | staff | ord | |
| Czech Republic | staff | ord | ||
| Denmark | DSMM | staff | ord | |
| Finland | SMLY | staff | ord | |
| France | SOFMMOOM | staff | ord | |
| Germany ÄMKA |
ÄMKA | staff | ord | |
| Germany DGMM | DGMM | staff | ord | |
| Hong Kong | HKIMM | staff | ord | |
| Hungary | website | staff | obs | |
| Israel | ISMM | staff | ord | |
| Italy | SIMFER | staff | ord | |
| Japan | AKA | staff | obs | |
| Kazakhstan | staff | ord | ||
| Republic of Korea | KSCMM | staff | ord | |
| Netherlands | NVAMG | staff | ord | |
| New Zealand | NZAMM | staff | ord | |
| Russian Fed. | staff | obs | ||
| Slovak Republic | SSMM | staff | obs | |
| Spain | SEMOYM | staff | ord | |
| Switzerland | SAMM | staff | ord | |
| Turkey | Manuel TIP | staff | ord | |
| Ukraine | UAOMT | staff | ord | |
| Uruguay | SOLAMOYM | staf | ord | |
| USA | AAO | staff | ord |