| Business | Phone |
| Mc Donough County Extension 3022 W Jackson St, Macomb 61455 | (309) 837-3939 |
| Mc Donough County Housing Auth 322 W Piper St, Macomb 61455 | (309) 837-2363 |
| Mc Donough Janitor 1 Courthouse Sq, Macomb 61455 | (309) 833-4084 |
| Mc Donough Maintenance Super Court House, Macomb 61455 | (309) 833-4479 |
| Mc Donough Microfilm Dept 1 Courthouse 3, Macomb 61455 | (309) 833-5335 |
| Mc Donough Veterans Assistance 7 Courthouse Sq, Macomb 61455 | (309) 833-3275 |
| Mc Donough Cnty Civil Process 110 S Mcarthur St, Macomb 61455 | (309) 833-2633 |
| Mc Donough Cnty Voters Rgstrn 1 Courthouse 10, Macomb 61455 | (309) 833-4649 |
| Mc Donough County Adult Prbtn 130 S Lafayette St 10, Macomb 61455 | (309) 833-3004 |
| Mc Donough County Animal Shltr 1743 N Lafayette St, Macomb 61455 | (309) 837-2989 |
| Mc Donough County Board Adm 1 Courthouse Sq, Macomb 61455 | (309) 837-2308 |
| Mc Donough County Circuit Clrk 1 Courthouse Sq, Macomb 61455 | (309) 837-4889 |