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- Sanborn Map Company18,169
- Boundary Solutions, Inc.4,049
- GfK MACON1,289
- U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Geographic Products Branch688
- Geographic Data Technology, Inc. (GDT)289
- All China Marketing Research Co., Ltd.226
- Rand McNally and Company184
- Central Intelligence Agency162
- ESRI147
- Münster, Sebastian, 1489-1552119
- LeadDog Consulting, LLC117
- Environmental Systems Research Institute, Inc. (ESRI)112
- Army Map Service105
- Woerl, Leo, 1843-191898
- Geological Survey of New Jersey96
- United States Geological Survey93
- Blaeu, Willem Janszoon, 1571-163872
- United States Coast Survey65
- GBHGIS, University of Portsmouth, Research Project64
- ML Infomap63