Publisher
- United Nations. Office for Disaster Risk Reduction175
- California. Department of Fish and Game. Marine Resources Region166
- Esri162
- North American Cartographic Information Society160
- Geological Survey (U.S.)150
- Latin Force LLC148
- Cambridge (MA) Geographic Information System (City of Cambridge GIS)147
- United States. National Imagery and Mapping Agency141
- EDC/International Program132
- International Heat Flow Commission130
- County of Santa Cruz Information Services Department129
- Circuit Rider Productions118
- Hart Energy Publishing112
- Monterey County (Calif.)108
- NYC Department of City Planning104
- MassGIS (Office : Mass.)103
- Map Maker Ltd.102
- U.S. Census Bureau. Geography Division96
- 94
- CHGIS, Harvard Yenching Institute90