Local Links:
- Allen County
- Allen County Extension Office
- Allen County Fair
- Allen Economic Development Group
- Allen Soil & Water Conservation District
- American Township
- Bath Township
- City of Delphos
- City of Lima
- Lima-Allen County Regional Planning Commission
- The Lincoln Highway
- The Ottawa River Coalition
- Perry Township
- Shawnee Township
- Village of Bluffton
- Village of Elida
- Village of Spencerville
- Village of Cairo
- Village of Beaverdam
Other County Engineers:
State Links:
- Ohio Department of Natural Resources (ODNR)
- Ohio Department of Transportation (ODOT)
- Ohio Emergency Management Agency
- Ohio Environmental Protection Agency (OEPA)
- OHGO – ODOT Construction, Traffic & Weather Information
- The Ohio Geographically Referenced Information Program (OGRIP)
- Ohio Public Works Commission
- Ohio Public Utilities Commission
- Ohio Utilities Protection Service (OUPS)
Federal Links:
- Federal Emergency Management Agency (FEMA)
- Federal Highway Administration (FHWA)
- National Geodetic Survey
- National Highway Traffic Safety Administration
- National Scenic Byways
- US Army Corps of Engineers
- US Department of Transportation
- US Environmental Protection Agency (EPA)
- US Geological Survey (USGS)
Engineering & Surveying Links:
- American Public Works Association
- American Road and Transportation Builders Association
- American Society of Civil Engineers
- American Society of Highway Engineers
- National Association of County Engineers
- National Society of Professional Engineers
- National Society of Professional Surveyors
- Ohio Ready Mixed Concrete Association
- Ohio Society of Professional Engineers
- Ohio State Board of Registration for Professional Engineers and Surveyors
- Ohio Township Association
- Professional Land Surveyors of Ohio
