| Business | Phone |
| Bremen Twp Assessor's Office 15350 Oak Park Ave, Oak Forest 60452 | (708) 687-8220 |
| Bremen Twp General Assistance 15350 Oak Park Ave, Oak Forest 60452 | (708) 687-8223 |
| Bremen Twp Supervisor 15350 Oak Park Ave, Oak Forest 60452 | (708) 333-9530 |