- U.S. Fish and Wildlife - http://www.fws.gov/
- National Marine Fisheries Service - http://www.nmfs.noaa.gov/
- North Carolina Wildlife Resources Commission - http://www.ncwildlife.org/
- Georgia Department of Natural Resources - http://www.gadnr.org/
- South Carolina Department of Natural Resources - http://www.dnr.sc.gov/
- North Carolina Department of Natural Resources - http://www.enr.state.nc.us/
- North Carolina State Historic Preservation Office - http://www.hpo.dcr.state.nc.us/
- South Carolina State Historic Preservation Office - http://www.state.sc.us/scdah/histrcpl.htm
- Georgia State Historic Preservation Office - http://hpd.dnr.state.ga.us/
- U.S. Army Corps of Engineers - http://www.usace.army.mil/
- North Carolina Clean Water Management Trust Fund - http://www.cwmtf.net/
- Florida Water Management Districts - http://www.dep.state.fl.us/secretary/watman/
- Florida Department of Environmental Protection - http://www.dep.state.fl.us/
- U.S. Environmental Protection Agency - http://www.epa.gov/
- American Water Resources Association - http://www.awra.org/
- ESRI – http://www.esri.com/
- American Ornithologists’ Union - http://www.aou.org/
- National Association of Environmental Professionals - http://www.naep.org/
- Urban Land Institute – http://www.uli.org/
- National Groundwater Association - http://www.ngwa.org/
- The Wildlife Society - http://www.wildlife.org/
- Society of Wetland Scientists - http://www.sws.org/
- Registry of Professional Archaeologists - http://www.rpanet.org/
- Society for American Archaeology - http://www.saa.org/
- Society of Historical Archaeology - http://www.sha.org/
- National Trust for Historic Preservation - http://www.nationaltrust.org/
- Archaeology Conservancy - http://www.americanarchaeology.com/
- Archaeological Institute of America - http://www.archaeological.org/
