| Business | Phone |
| City Grounds Keeper 515 Fred W Moore Hwy, Saint Clair 48079 | (810) 329-6250 |
| Township Of St Clair 1539 S Bartlett Rd, Saint Clair 48079 | (810) 329-9042 |
| St Clair Cable Channel 6 Tv 547 N Carney Dr, Saint Clair 48079 | (810) 329-5297 |
| St Clair Recreation Dept 411 Trumbull St, Saint Clair 48079 | (810) 329-6691 |
| St Clair Senior Housing 400 S 3rd St, Saint Clair 48079 | (810) 329-9141 |