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- North American Cartographic Information Society51
- International Steering Committee for Global Mapping41
- ML InfoMap (Firm)34
- Geological Survey (U.S.)7
- California. Department of Water Resources4
- United States. Bureau of the Census. Geography Division4
- Department of Information Technology and Telecommunications3
- Hart Energy Publishing2
- Northeast Ocean Data2
- United States. Department of State. Humanitarian Information Unit2
- California. Department of Transportation1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Esri1
- Halcrow1
- National Atlas of the United States1
- Research and Innovative Technology Administration/Bureau of Transportation Statistics1
- United States. Bureau of Transportation Statistics1