| Business | Phone |
| Lake County Pretrial Svc 20 S County St, Waukegan 60085 | (847) 377-4506 |
| Lake County Support Svc 18 N County St A10, Waukegan 60085 | (847) 377-2001 |
| Lake County Zoning Dept 18 N County St, Waukegan 60085 | (847) 360-6330 |
| Lake County Merit Commission 18 N County St 7, Waukegan 60085 | (847) 377-4075 |
| Lake County Probate Dept Waukegan 60085 | (847) 377-3386 |