| Business | Phone |
| Strong Assessor's Ofc 14 S Main St, Strong 4983 | (207) 684-4004 |
| Strong Plumbing Inspector Lower Main, Strong 4983 | (207) 684-4006 |
| Strong Selectman's Office Lower Main St, Strong 4983 | (207) 684-4002 |
| Strong Town Garage Lower Main, Strong 4983 | (207) 684-3713 |
| Strong Water District S Strong Rd, Strong 4983 | (207) 684-3714 |