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- Geographic Data Technology, Inc. (GDT)290
- Environmental Systems Research Institute, Inc. (ESRI)117
- AND Data Solutions, B.V.29
- DMTI Spatial Inc.26
- National Atlas of the United States and the United States Geological Survey18
- United States Geological Survey18
- Bureau of Transportation Statistics12
- Department of Commerce, Census Bureau, Geography Division2
- National Park Service2
- Smithsonian Institution, Global Volcanism Program, National Atlas of the United States, and the United States Geological Survey2
- World Wildlife Fund1