| Business | Phone |
| Fort Gratiot Charter Twp Ofc 3286 N River Rd, Fort Gratiot 48059 | (810) 966-1492 |
| Fort Gratiot Charter Twp Ofc 3501 N River Rd, Fort Gratiot 48059 | (810) 985-8835 |
| Township Supervisor 3720 Keewahdin Rd, Fort Gratiot 48059 | (810) 385-4489 |
| Township Hall 4000 Burtch Rd, Fort Gratiot 48059 | (810) 385-5577 |