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- GfK GeoMarketing GmbH209
- Environmental Systems Research Institute (Redlands, Calif.)168
- United States. National Imagery and Mapping Agency141
- MassGIS (Office : Mass.)131
- Latin Force Group LLC111
- ESRI105
- National Imagery and Mapping Agency86
- City of Cambridge GIS80
- Platts78
- Tele Atlas B.V.66
- Environmental Systems Research Institute, Inc. (ESRI)53
- Snohomish County Geographic Information System (GIS), Dept. of Information Services52
- Latin Force Group LLC.50
- Surveyor General, Cape Town, Department of Land Affairs45
- MassGIS44
- Cambridge (Mass.). Geographic Information Systems40
- New York (N.Y.). Department of City Planning40
- AND International Publishers N.V.39
- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)37
- AND International Publishers N.V. (AND Products B.V.)32