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- ESRI43
- AND International Publishers N.V.9
- Economic and Social Research Institute6
- Tele Atlas North America, Inc.4
- Sistemas de Información Geográfica, S.A. de C.V.3
- National Atlas of the United States and the United States Geological Survey2
- Tele Atlas (Firm : U.S.)2
- United States. National Aeronautics and Space Administration2
- United States. National Geospatial-Intelligence Agency2
- Bureau of Transportation Statistics1
- Department of Commerce, Census Bureau, Geography Division1
- Earth Resources Observation Systems1
- World Wildlife Fund1
- WorldSat International Inc.1