| Business | Phone |
| Michigan Pro Firefighters 1651 Kingsway Ct, Trenton 48183 | (734) 675-0206 |
| Uaw Local 372 4571 Division St, Trenton 48183 | (734) 676-9060 |
| Trenton Fire Fighters Union 2872 W Jefferson Ave, Trenton 48183 | (734) 692-4169 |
| Uaw Local 3000 22693 Van Horn Rd, Trenton 48183 | (734) 692-3490 |