| Business | Phone |
| Head's Creek Reservoir 4207 W Mcintosh Rd, Griffin 30223 | (770) 229-6611 |
| Griffin Line Crew 865 S 9th St, Griffin 30224 | (770) 229-6409 |
| Griffin Personnel Dept 231 E Solomon St, Griffin 30223 | (770) 229-6427 |
| Griffin Finance Dept 231 E Solomon St, Griffin 30223 | (770) 229-6401 |
| Griffin Water & Sewerage Dept 229 N Expressway, Griffin 30223 | (770) 229-6603 |
| Griffin Water & Wastewater 229 N Expressway, Griffin 30223 | (770) 229-6406 |
| Griffin City Employee Svc City Hall, Griffin 30223 | (770) 229-6400 |
| Griffin City Garage 231 E Solomon St, Griffin 30223 | (770) 229-6419 |
| Griffin Planning & Dev 231 E Solomon St, Griffin 30223 | (770) 233-4130 |
| Griffin Dog Pound N Hill St, Griffin 30223 | (770) 229-6421 |