| Business | Phone |
| Wheatfield Township Clerk 985 Holt Rd, Williamston 48895 | (517) 655-4161 |
| Williamston Assessor's Office 1500 E Grand River Rd, Williamston 48895 | (517) 655-2221 |
| Williamston Waste Water Trtmnt 526 Sunset St, Williamston 48895 | (517) 655-2770 |
| Williamstown Twp Office 4990 Zimmer Rd, Williamston 48895 | (517) 655-3193 |
| Locke Township Hall 3805 Bell Oak Rd, Williamston 48895 | (517) 468-3405 |