| Business | Phone |
| Circuit Clerk 210 15th St, Rock Island 61201 | (309) 786-4451 |
| Rock Island Cnty Animal Contol 1317 3rd Ave, Rock Island 61201 | (309) 558-3482 |
| Rock Island Cnty Animal Contol 1504 3rd Ave, Rock Island 61201 | (309) 558-3482 |
| Rock Island Cnty Board-Review 1504 3rd Ave, Rock Island 61201 | (309) 558-3670 |
| Rock Island Cnty Family Plan 2112 25th Ave, Rock Island 61201 | (309) 794-7088 |
| Rock Island Cnty Forest Prsrv 1504 3rd Ave, Rock Island 61201 | (309) 558-3594 |
| Rock Island Cnty Pub Defender 1504 3rd Ave, Rock Island 61201 | (309) 558-3530 |
| Rock Island Cnty Recorder-Deed 210 15th St, Rock Island 61201 | (309) 558-3360 |
| Rock Island County Economic 1504 3rd Ave, Rock Island 61201 | (309) 558-3605 |
| Rock Island County Coroner 1504 3rd Ave, Rock Island 61201 | (309) 558-3640 |
| Rock Island County Judicial 1617 2nd Ave, Rock Island 61201 | (309) 794-3605 |
| Rock Island County Pre-Trial 2116 25th Ave, Rock Island 61201 | (309) 558-3923 |
| Rock Island County Purchasing 1504 3rd Ave, Rock Island 61201 | (309) 558-3630 |
| Rock Island County Veterans 1504 3rd Ave, Rock Island 61201 | (309) 558-3545 |
| Rock Island County Voters 1504 3rd Ave, Rock Island 61201 | (309) 786-8683 |
| Rock Island Veteran's Asstnc 1504 3rd Ave, Rock Island 61201 | (309) 786-4451 |