| Unique agency ID | Abbreviation | Full name | Country | International network(s) | Local network(s) | Station(s) |
|---|
| | | | | | |
| OPGC | OPGC | Observatoire de Physique du Globe de Clermont-Ferrand | FRA (France) | EPN densification, EPOS | RENAG | |
| OREME | OREME | Observatoire de Recherche Méditerranéen de l’Environnement | FRA (France) | EPN densification, EPOS | RENAG |
AGDE00FRA, AIGL00FRA, BAUB00FRA, FILF00FRA, HOLA00FRA, LACA00FRA, MTP200FRA, MTPL00FRA, PALI00FRA, PARD00FRA, RUSA00FRA, RUSB00FRA, SETE00FRA, SLVT00FRA, STMR00FRA
|
| OS | OS | Ordnance Survey | GBR (United Kingdom) | EPN, EPN densification, EPOS | |
ADAR00GBR, ARIS00GBR, BUXT00GBR, CAMO00GBR, CARL00GBR, CHIO00GBR, DARE00GBR, EDIN00GBR, GLAS00GBR, HERO00GBR, INVE00GBR, INVR00GBR, KING00GBR, KINT00GBR, LEED00GBR, LERI00GBR, MORO00GBR, PLYM00GBR, PMTH00GBR, SCIL00GBR, SHOE00GBR, SNEO00GBR, STRN00GBR, SWAS00GBR
|
| OSI | OSI | Ordnance Survey Ireland | IRL (Ireland) | EPN | | |
| OSNI | OSNI | Ordnance Survey of Northern Ireland | GBR (United Kingdom) | EPN | | |
| OSUG | OSUG | Observatoire des Sciences de l'Univers de Grenoble | FRA (France) | EPN, EPN densification, EPOS | RENAG |
ALPE00FRA, ARGR00FRA, AVR100FRA, AVR200FRA, BANN00FRA, CHA200FRA, CHAM00FRA, CHMX00FRA, CHTL00FRA, CREF00FRA, FCLZ00FRA, GERL00FRA, JANU00FRA, LEBE00FRA, LFAZ00FRA, MODA00FRA, NATT00FRA, OGAG00FRA, PUYA00FRA, ROSD00FRA, SJDV00FRA, STEY00FRA, SURF00FRA
|
| OSUR | OSUR | Observatoire des Sciences de l'Univers de Rennes | FRA (France) | EPN densification, EPOS | RENAG | |
| PLK | GAO RAN | Pulkovo Observatory | RUS (Russian Federation) | EPN | | |
| POLITO | POLITO | Politecnico di Torino | ITA (Italy) | EPN | | |
| REGAM | REGAM | Red Geodésica Activa de la Region de Murcia | ESP (Spain) | EPN densification, EPOS | |
ABAN00ESP, ACAL00ESP, AIRM00ESP, ALHA00ESP, CIEZ00ESP, JUMA00ESP, LRCA00ESP, MAZA00ESP, MCIA00ESP, MRAT00ESP, MUL100ESP
|
