| Business | Phone |
| Veterans Assistance Comm 18 N County St, Waukegan 60085 | (847) 360-6370 |
| Veterans Assistance Comm 20 S Martin Luther King Jr Ave, Waukegan 60085 | (847) 360-6370 |
| Chief County Assessment Off 18 N County St 8, Waukegan 60085 | (847) 360-6378 |
| Institutional Health & Safety 3012 Grand Ave, Waukegan 60085 | (847) 360-6733 |
| Lake County General Info 18 N County St, Waukegan 60085 | (847) 377-2000 |
| Lake County Headstart 574 S Mcalister Ave, Waukegan 60085 | (847) 244-0043 |
| Lake County Human Resources 18 N County St 7, Waukegan 60085 | (847) 377-2700 |
| Lake County Information 18 N County St, Waukegan 60085 | (847) 360-3600 |
| Lake County Information & Tech 18 N County St 8, Waukegan 60085 | (847) 377-2500 |
| Lake County Information Lobby 18 N County St, Waukegan 60085 | (847) 360-6600 |
| Lake County Juror Information 18 N County St, Waukegan 60085 | (847) 249-5879 |
| Lake County Jury Commission 18 N County St 110, Waukegan 60085 | (847) 360-6340 |
| Lake County Liquor Commission 18 N County St, Waukegan 60085 | (847) 360-6336 |
| Lake County Maintenance Fclts 18 N County St, Waukegan 60085 | (847) 377-2987 |
| Lake County Map Dept 18 N County St, Waukegan 60085 | (847) 377-2373 |
| Lake County Medical Outpatient 2400 Belvidere Rd, Waukegan 60085 | (847) 360-6517 |
| Lake County Merit Commission 18 N County St # 7, Waukegan 60085 | (847) 360-6638 |
| Lake County Planning Building 18 N County St, Waukegan 60085 | (847) 377-2875 |
| Lake County Planning Resource 18 N County St, Waukegan 60085 | (847) 377-2140 |
| Lake County Pretrial 20 S County St, Waukegan 60085 | (847) 360-5717 |
| Lake County Public Building 18 N County St, Waukegan 60085 | (847) 377-2440 |
| Lake County Public Comm 18 N County St, Waukegan 60085 | (847) 360-6391 |
| Lake County Public Svc 15 S County St, Waukegan 60085 | (847) 377-4507 |
| Lake County Purchasing 18 N County St, Waukegan 60085 | (847) 360-6696 |
| Lake County Recorder Of Deeds 18 N County St, Waukegan 60085 | (847) 377-2575 |
| Lake County Risk Management 18 N County St 6, Waukegan 60085 | (847) 377-2241 |
| Lake County Safety Commission 18 N County St, Waukegan 60085 | (847) 360-6641 |
| Lake County Television 18 N County St, Waukegan 60085 | (847) 782-6080 |
| Lake County Traffic Branch Cts 430 Lakehurst Rd, Waukegan 60085 | (847) 473-7000 |
| Lake County Voter Registration 18 N County St, Waukegan 60085 | (847) 377-2410 |
| Lake County Workforce Dev 20 S Martin Luther King Jr Ave, Waukegan 60085 | (847) 249-2200 |
| Lake County Workforce Invest 18 N County St, Waukegan 60085 | (847) 377-2224 |
| Lake County 19th Judicial Ct 18 N County St, Waukegan 60085 | (847) 360-6480 |
| Lake County Accounts Payable 18 N County St, Waukegan 60085 | (847) 377-2650 |
| Lake County Adm Office 18 N County St 9, Waukegan 60085 | (847) 360-6603 |
| Lake County Administrator 18 N County St, Waukegan 60085 | (847) 377-2250 |
| Lake County Arbitration Center 20 S Martin Luther King Jr Ave, Waukegan 60085 | (847) 360-5747 |
| Lake County Arbitration Center 415 Washington St # 106, Waukegan 60085 | (847) 360-5747 |
| Lake County Liquor Cmmssn 18 N County St 10, Waukegan 60085 | (847) 377-2300 |
| Lake County Board Of Review 18 N County St, Waukegan 60085 | (847) 377-2100 |
| Lake County Building & Site 18 N County St, Waukegan 60085 | (847) 377-2600 |
| Lake County Central Svc 18 N County St, Waukegan 60085 | (847) 377-2929 |
| Lake County Chief Assessment 18 N County St, Waukegan 60085 | (847) 377-2050 |
| Lake County Circuit Ct-General 18 N County St, Waukegan 60085 | (847) 360-6680 |
| Lake County Communications 18 N County St 9, Waukegan 60085 | (847) 377-2550 |
| Lake County Community Support 3012 Grand Ave, Waukegan 60085 | (847) 360-6830 |
| Lake County Coroner 26 N Martin Luther King Jr Ave, Waukegan 60085 | (847) 377-2200 |
| Lake County Day Treatment Prgm 3002 Grand Ave, Waukegan 60085 | (847) 367-4205 |
| Lake County Elections 18 N County St 101, Waukegan 60085 | (847) 377-2406 |