| ASI (Centro di Geodesia Spaziale G. Colombo, Matera) |
| BEK (Kommission für Erdmessung und Glaziologie (Bayerische Akademie der Wissenschaften), Munich) |
| BEV (Federal Office of Metrology and Surveying Austria) |
| BKG (Bundesamt für Kartographie und Geodäsie) |
| COE (Centre for Orbit Determination in Europe, Astronomical Institute of the University of Bern) |
| DEO (Delft Institute for Earth-Oriented Space Research, Delft)* |
| GOP (Geodetic Observatory Pecny, Research Inst. of Geodesy, Topography and Cartography)* |
| IGE (Instituto Geográfico Nacional de España) |
| IGN (Institut Géographique National) |
| LPT (Federal Office of Topography swisstopo, Wabern) |
| MUT (Military University of Technology) |
| NKG (Nordic Geodetic Commission, Lantmäteriet and Onsala Space Observatory) |
| OLG (Institute for Space Research (ISR/ASS), Graz)* |
| RGA (Republic Geodetic Authority) |
| ROB (Royal Observatory of Belgium, Brussels) |
| SGO (FOMI Satellite Geodetic Observatory, Budapest) |
| SUT (Slovak University of Technology, Bratislava) |
| UPA (University of Padova, Padova) |
| WUT (Warsaw University of Technology, Warsaw) |
| ASI (Centro di Geodesia Spaziale G. Colombo, Matera) |
| BEK (Kommission für Erdmessung und Glaziologie (Bayerische Akademie der Wissenschaften), Munich) |
| BKG (Bundesamt für Kartographie und Geodäsie) |
| DEO (Delft Institute for Earth-Oriented Space Research, Delft) |
| GOP (Geodetic Observatory Pecny, Research Inst. of Geodesy, Topography and Cartography) |
| IGE (Instituto Geográfico Nacional de España) |
| IGN (Institut Géographique National) |
| LPT (Federal Office of Topography swisstopo, Wabern) |
| MUT (Military University of Technology) |
| NKG (Nordic Geodetic Commission, Lantmäteriet and Onsala Space Observatory) |
| OLG (Institute for Space Research (ISR/ASS), Graz) |
| ROB (Royal Observatory of Belgium, Brussels) |
| SGO (FOMI Satellite Geodetic Observatory, Budapest) |
| SUT (Slovak University of Technology, Bratislava) |
| UPA (University of Padova, Padova) |
| WUT (Warsaw University of Technology, Warsaw) |
| AGR (Kadaster) |
| ARA (ARANZADI Society of Sciences, Department of Applied Geodesy) |
| ASG (Glowny Urzad Geodezji i Kartografii) |
| BGF (NERC British Isles continous GNSS Facility (BIGF)) |
| BKG (Bundesamt für Kartographie und Geodäsie) |
| BUL (National Institut of Geophysics, Geodesy and Geography BAS) |
| CAT (ICGC: Institut Cartografic i Geologic de Catalunya) |
| CZE (Research Institute of Geodesy, Topogr. and Cartogr.) |
| EST (Estonian Landboard AC) |
| GGI (Institute of Geodesy and Geoinformation, University of Latvia) |
| GKU (Geodetický a kartografický ústav) |
| IGE (Instituto Geográfico Nacional de España) |
| IGN (Institut Géographique National) |
| NGI (Nottingham Geospatial Institute) |
| OLG (Institute for Space Research (ISR/ASS), Graz) |
| ROB (Royal Observatory of Belgium, Brussels) |
| SGO (FOMI Satellite Geodetic Observatory, Budapest) |
| UPA (University of Padova, Padova) |
| AGG (University of Rome 'La Sapienza') |
| AGH (AGH University of Science and Technology) |
| ARA (ARANZADI Society of Sciences) |
| ASGEUPOS (ASG-EUPOS Management Center in Warsaw) |
| ASI (Agenzia Spaziale Italiana) |
| BKG (Bundesamt fuer Kartographie und Geodaesie) |
| BUTE (Budapest University of Technology and Economics) |
| CISAS (Università di Padova) |
| CNES
(Centre National d'Etudes Spatiales
) |
| CRS
(Centro di Ricerche Sismologiche - Istituto Nazionale di Oceanografia e Geofisica Sperimentale
) |
| DGS (Aristotle University of Thessaloniki) |
| DGT (Direcao-Geral do Territorio) |
| DIASS (Politecnico di Bari) |
| DICA
(Politecnico di Milano
) |
| DICAAR (University of Cagliari) |
| DIEF (University of Modena and Reggio Emilia) |
| DNSC (Danish National Space Center) |
| DSCIG
(Direccao de Servicos de Cartografia e Informacao Geografica
) |
| DUT (Delft University of Technology) |
| ELB
(Estonian Land Board
) |
| ENDIF (University of Ferrara) |
| ESOC
(European Space Agency
) |
| FGI
(National Land Survey of Finland
) |
| FSW (Bundesamt fuer Kartograhie und Geodaesie) |
| GCM (General Command of Mapping) |
| GDFCE
(Geodesy Department-Faculty of Civil Engineerig
) |
| GFZ (Helmhotz-Zentrum Potsdam) |
| GKU
(Geodetic and Cartographic Institute Bratislava
) |
| GOP (Geodetic observatory Pecny) |
| IAA
(Institute of Applied Astronomy
) |
| ICGC
(Institut Cartografic i Geologic de Catalunya
) |
| ICV
(Cartographic Institute of Valencia
) |
| IESSG (University of Nottingham) |
| IGD (IGD GROUP AE) |
| IGE
(Instituto Geografico Nacional de Espana
) |
| IGG (Institute of Geodesy and Geoinformatics,) |
| IGIK (Institute of Geodesy and Cartography) |
| IGMI (Italian Military Geographic Institute) |
| IGN_RGP (Institut National de l'Information Geographique et Forestiere) |
| IMVP
(Institute of Metrology for Time and Space
) |
| INGEOCAD (State Enterprise Institute of Geodesy, Engineering Ressearch and Cadastre) |
| INRIM (Istituto Nazionale di Ricerca Metrologica) |
| INSU (Institut National des Sciences de l'Univers) |
| IRSM (Institute of Rock Structure and Mechanics) |
| ITACYL (Instituto Tecnologico Agrario de Castilla y Leon) |
| ITCG (Istituto Tecnico Commerciale e per Geometri) |
| JPL (Jet Propulsion Laboratory) |
| KMS (National survey and cadastre, Denmark) |
| LGCA (Université de Savoie) |
| LGIA (Latvian Geospatial Information Agency) |
| LIENSS (La Rochelle University) |
| LINZAG
(Managementservice Linz GmbH
) |
| LMV
(Lantmateriet, the Swedish mapping, cadastral and
) |
| LPT (Swiss Federal Office of Topography (swisstopo)) |
| LUAI (Institute of Astronomy University of Latvia) |
| MAO (Main Astronomical Observatory ) |
| NACLR
(National Agency for Cadastre and Land Registration
) |
| NCL (Newcastle University) |
| NMA (Norwegian Mapping and Cadastre Authority) |
| NOA (National Observatory of Athens) |
| NSGF (NERC Space Geodesy Facility) |
| NULP (National University "Lviv Polytechnic" ) |
| OLG
(Federal Office of Metrology and Surveying
) |
| OS
(Ordnance Survey Limited
) |
| OSI
(Ordnance Survey Ireland
) |
| OSNI
(Ordnance Survey of Northern Ireland
) |
| PLK
(Pulkovo Observatory
) |
| POLITO (Politecnico di Torino) |
| RGZ (Republicki Geodetski Zavod) |
| ROA (Real Instituto y Observatorio de la Armada) |
| ROB (Royal Observatory of Belgium) |
| SGA
(State Geodetic Administration
) |
| SGO (BFKH FTFF Satellite Geodetic Observatory ) |
| SMA
(Surveying and mapping authority of Slovenia
) |
| SOI
(Survey Of Israel
) |
| SRCPAS
(Astrogeodynamical Observatory
) |
| STPOS (Autonome Provinz Bozen - Sudtirol) |
| SUT (Slovak University of Technology) |
| TUBITAK (TUBITAK Marmara Research Center) |
| TUC (Technical University of Crete) |
| UNAVCO (University NAVSTAR Consortium) |
| UNIBO
(University of Bologna
) |
| UNIFI (University of Florence) |
| UNPG (University of Perugia) |
| UWM (University of Warmia and Mazury in Olsztyn) |
| VGTUGI
(Geodetic Institute of Vilnius TU
) |
| WUT (Warsaw University of Technology) |
| YTU
(Yildiz Technical University
) |
| ZU
(Land Survey Office
) |
| AGG (University of Rome 'La Sapienza') |
| AGH (AGH University of Science and Technology) |
| ARA (ARANZADI Society of Sciences) |
| ASGEUPOS (ASG-EUPOS Management Center in Warsaw) |
| ASI (Agenzia Spaziale Italiana) |
| BIGF
(British Isles Continuous GNSS Facility
) |
| BKG (Bundesamt fuer Kartographie und Geodaesie) |
| BUTE (Budapest University of Technology and Economics) |
| CCPA (Centro de Cartografia del Principado de Asturias) |
| CISAS (Università di Padova) |
| CNES
(Centre National d'Etudes Spatiales
) |
| CRS
(Centro di Ricerche Sismologiche - Istituto Nazionale di Oceanografia e Geofisica Sperimentale
) |
| DGS (Aristotle University of Thessaloniki) |
| DGT (Direcao-Geral do Territorio) |
| DIASS (Politecnico di Bari) |
| DICA
(Politecnico di Milano
) |
| DICAAR (University of Cagliari) |
| DIEF (University of Modena and Reggio Emilia) |
| DNSC (Danish National Space Center) |
| DSCIG
(Direccao de Servicos de Cartografia e Informacao Geografica
) |
| DSIGC
(Secretaria Regional do Ambiente - Direção de Serviços de Informação Geográfica e Cadastro
) |
| DSO (Dionysos Satellite Observatory) |
| DUT (Delft University of Technology) |
| ELB
(Estonian Land Board
) |
| ENDIF (University of Ferrara) |
| ESOC
(European Space Agency
) |
| FGI
(National Land Survey of Finland
) |
| FSW (Bundesamt fuer Kartograhie und Geodaesie) |
| GCM (General Command of Mapping) |
| GDFCE
(Geodesy Department-Faculty of Civil Engineerig
) |
| GFZ (Helmhotz-Zentrum Potsdam) |
| GKU
(Geodetic and Cartographic Institute Bratislava
) |
| GOP (Geodetic observatory Pecny) |
| GVEJ (Gobierno Vasco - Eusko Jaurlaritza) |
| IAA
(Institute of Applied Astronomy
) |
| ICGC
(Institut Cartografic i Geologic de Catalunya
) |
| ICV
(Cartographic Institute of Valencia
) |
| IECA
(Instituto de Estadistica y Cartografia de Andalucia
) |
| IESSG (University of Nottingham) |
| IGD (IGD GROUP AE) |
| IGE
(Instituto Geografico Nacional de Espana
) |
| IGEAR (Instituto Geografico de Aragon) |
| IGG (Institute of Geodesy and Geoinformatics,) |
| IGIK (Institute of Geodesy and Cartography) |
| IGMI (Italian Military Geographic Institute) |
| IGN_RGP (Institut National de l'Information Geographique et Forestiere) |
| IMVP
(Institute of Metrology for Time and Space
) |
| INGEOCAD (State Enterprise Institute of Geodesy, Engineering Ressearch and Cadastre) |
| INGV (Istituto Nazionale di Geofisica e Vulcanologia) |
| INRIM (Istituto Nazionale di Ricerca Metrologica) |
| INSU (Institut National des Sciences de l'Univers) |
| IRSM (Institute of Rock Structure and Mechanics) |
| ITACYL (Instituto Tecnologico Agrario de Castilla y Leon) |
| ITCG (Istituto Tecnico Commerciale e per Geometri) |
| JPL (Jet Propulsion Laboratory) |
| KMS (National survey and cadastre, Denmark) |
| LGCA (Université de Savoie) |
| LGIA (Latvian Geospatial Information Agency) |
| LIENSS (La Rochelle University) |
| LINZAG
(Managementservice Linz GmbH
) |
| LMV
(Lantmateriet, the Swedish mapping, cadastral and
) |
| LPT (Swiss Federal Office of Topography (swisstopo)) |
| LUAI (Institute of Astronomy University of Latvia) |
| MAO (Main Astronomical Observatory ) |
| NACLR
(National Agency for Cadastre and Land Registration
) |
| NCL (Newcastle University) |
| NMA (Norwegian Mapping and Cadastre Authority) |
| NOA (National Observatory of Athens) |
| NSGF (NERC Space Geodesy Facility) |
| NULP (National University "Lviv Polytechnic" ) |
| OLG
(Federal Office of Metrology and Surveying
) |
| OS
(Ordnance Survey Limited
) |
| OSI
(Ordnance Survey Ireland
) |
| OSNI
(Ordnance Survey of Northern Ireland
) |
| PLK
(Pulkovo Observatory
) |
| POLITO (Politecnico di Torino) |
| REP (Red ExtremeNa de Posicionamiento) |
| RGZ (Republicki Geodetski Zavod) |
| ROA (Real Instituto y Observatorio de la Armada) |
| ROB (Royal Observatory of Belgium) |
| SCGN
(Seccion de Cartografia del Gobierno de Navarra
) |
| SGA
(State Geodetic Administration
) |
| SGO (BFKH FTFF Satellite Geodetic Observatory ) |
| SMA
(Surveying and mapping authority of Slovenia
) |
| SOI
(Survey Of Israel
) |
| SRCPAS
(Astrogeodynamical Observatory
) |
| STPOS (Autonome Provinz Bozen - Sudtirol) |
| SUT (Slovak University of Technology) |
| TUBITAK (TUBITAK Marmara Research Center) |
| TUC (Technical University of Crete) |
| UNAVCO (University NAVSTAR Consortium) |
| UNIBO
(University of Bologna
) |
| UNIFI (University of Florence) |
| UNPG (University of Perugia) |
| UWM (University of Warmia and Mazury in Olsztyn) |
| VGTUGI
(Geodetic Institute of Vilnius TU
) |
| WUT (Warsaw University of Technology) |
| YTU
(Yildiz Technical University
) |
| ZU
(Land Survey Office
) |
