- Monterey County (Calif.)23
- Kelso, Nathaniel Vaughn22
- Patterson, Tom22
- Geological Survey (U.S.)21
- Indiana Geological Survey21
- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)21
- New York (N.Y.). Department of Information Technology and Telecommunications.17
- United Nations Operational Satellite Applications Programme17
- Strategic Development Information and GIS Department, Strategy and Planning Directorate, City of Cape Town.16
- City of Baltimore, Maryland15
- Indiana Department of Environmental Management, Office of Land Quality15
- U.S. Geological Survey15
- Cambridge (Mass.). Geographic Information Systems13
- von Dohlen, Jerry13
- Bernardin-Lochmueller & Associates12
- Digital Social Science Centaer, Columbia University Libraries12
- National Climatic Data Center (U.S.)12
- United States. National Environmental Satellite, Data, and Information Service12
- United States. National Oceanic and Atmospheric Administration.12
- Environmental Systems Research Institute (Redlands, Calif.)11