Government agencies:

Canada	Canadian Coast Guard
	Defence Geomatics (Canadian Army)
	Geodetic Survey Division
	Geological Survey of Canada
	Geomatics Canada - Products and Services
	Ministère des ressources naturelles (Quebec)
	National Atlas of Canada
	National Ressources Canada
	Nova Scotia Geomatics Centre
	Plan géomatique du gouvernement du Québec
USA	Earth and Environmental Science (Geological Survey)
	Earth Science Enterprise (NASA)
	Federal Geographic Data Committee
	Geological Society of America
	Hydrographic Society of America
	National Imagery and Mapping Agency
	Naval Meteorology and Oceanography Operational Support Web
	NEMO-Oceanographic Data Server (SIO) (Physical Oceanography Research Division and Marine Life Research Group of Scripps Institution of Oceanography)
	NGDC/WDCA MGG-Bathymetry, Topography, & Global Relief Data (NOAA National Data Centers, NGDC)
	NGDC/WDCA MGG-Hydrographic Survey Data (NOAA National Data Centers, NGDC)
	NOAA Home Page Main Page
	NOAA/NGDC Global Relief Data (NOAA National Data Centers, NGDC)
	NOAA Paleoclimatology Program (NOAA National Data Centers, NGDC)
	Office of Coast Survey
	Predicted And Measured Seafloor Topography (NOAA National Data Centers, NGDC)
	Time Service Department, Naval Observatory
	United States Geological Survey
	U.S. DoC / NOAA / NOS / National Geodetic Survey
	U.S. Geological Survey-Index of USGS Servers
	Woods Hole Oceanographic Institution
Europe	AVISO Altimetry (France)
	Commissariat à l'Énergie Atomique (CEA) Direction de l'information scientifique et technique (France)
	Determination and Prediction of the three-dimensional movement of the earth's surface (land and sea) (Netherlands)
	ESA European Space Agency (Europe)
	European Union of Geosciences (EUG) (Europe)
	Geodetic Information Service (GeodIS) (Germany)
	Institut de Physique du Globe de Paris (France)
	International Council for the exploration of the Sea (Denmark)
Others	Australian Surveying & Land Information Grou (Australia)