- Gahanna Animal Control
- Gahanna Building Inspection
- Gahanna City Development
- Gahanna City Engineer
- Gahanna Clerk Of Council
- Gahanna Clerk Of Council-Plan
- Gahanna Public Svc Dept
- Gahanna Water Sewer & Refuse
- HAP Cremean Water Plant
- Jefferson Twp Svc Dept
- Mifflin Road Superintendent
- Mifflin Township Offices
- Muncipal Building