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- Geological Survey (U.S.)200
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- U.S. Coast and Geodetic Survey33
- Tanzania. Idara ya Upimaji na Ramani25
- United States. Central Intelligence Agency18
- United States. National Imagery and Mapping Agency12
- United States. Defense Mapping Agency11
- Instituto Geográfico Militar (Guatemala)9
- Pneu Michelin (Firm)8
- Petroleum Economist Ltd7
- Australia. Hydrographic Service6
- Japan. Kaijō Hoanchō. Suirobu6
- Institut géographique national (France)4
- British Geological Survey3
- Instituto Geográfico Militar (Chile)3
- Instituto Geográfico Nacional (Guatemala)3
- National Geographic Society (U.S.). Cartographic Division3
- France. Service hydrographique et océanographique de la marine2
- Freytag, Berndt und Artaria2
- Geological Survey of Canada2
