National/International Groups
- ISPRS – International Society for Photogrammetry and Remote Sensing
- ASPRS – American Society for Photogrammetry and Remote Sensing
- MAPPS – Management Association for Private Photographic Surveyors
- CIPA – International Committee for Architectural Photogrammetry
- SPIE – International Society for Optical Engineering
- FIG – International Surveyors’ Federation
- AAG – Association for American Geographers
- IGP – Institute of Geodesy and Photogrammetry
- CRSSA – Center for Remote Sensing and Spatial Analysis
- ICSM – The Intergovernmental Committee on Surveying and Mapping
- IAG – International Association of Geodesy
- ISL – International Surveyors
Government Sites
- National Geodetic Survey
- National Geospatial-Intelligence Agency
- National Oceanic & Atmospheric Administration (NOAA)
- U.S. Geological Survey
- Bureau of Land Management
- Federal Emergency Management Association (FEMA)
- EROS Data Center
- U.S. Small Business Administration
- Federal Highway Administration
- U.S. Coast Guard Navigation Center
- The Federal Geographic Data Committee
- U.S. Army Corps of Engineers
- National Geodetic Survey Continuously Operating Reference Stations (CORS)
- National Cooperative Geologic Mapping Program
- National Flood Insurance Program (NFIP)
- USGS Geospatial Data Clearinghouse
Online Data Sources
AmericaView Sites Across the Great Lakes