- Maryland Department of Natural Resources – www.dnr2.maryland.gov
- Department of Natural Resources and Environmental – www.dnrec.delaware.gov
- American Public Works Association – www.apwa.net
- Common Ground Alliance – www.commongroundalliance.com
- Miss Utility – www.missutility.net
- Miss Utility Virginia – www.missutilityvirginia.com
- Miss Utility Delmarva – www.missutilitydelmarva.com