| A Tme Inc | 618-667-6636 | 106 Laundry St | Troy | IL | 62294 |
| Ackerman Business Systems | 618-667-9819 | 8621 Schmalz Rd | Saint Jacob | IL | 62281 |
| Anstec Inc | 618-394-0368 | 120 Autumn Ln | Belleville | IL | 62223 |
| Applied Technology Solutions Inc | 618-462-1413 | 1623 Washington St | East Saint Louis | IL | 62201 |
| Automation Facilitators Inc | 618-656-3941 | 117 W Linden St | Edwardsville | IL | 62025 |
| Bdm Federal Inc | 618-628-3800 | 333 Salem Pl | Fairview Heights | IL | 62208 |
| Becker Computer Consulting | 618-773-4271 | RR 4 | Mc Leansboro | IL | 62859 |
| Blunck & Hysmith Inc | 618-632-7382 | 901 Indian Springs Rd | O Fallon | IL | 62269 |
| Brant Wheetley Consulting | 618-549-4477 | 8 White Pine Ln | Makanda | IL | 62958 |
| Brauer Dennis R | 618-372-8091 | RR 2 & Irish Ln | Brighton | IL | 62012 |
| Business Consultants | 618-236-0327 | 3766 Michael John Dr | Swansea | IL | 62221 |
| Business Service Technologies | 618-233-4126 | 1811 W Main St | Belleville | IL | 62223 |
| Ces Accounting | 618-281-7311 | 808d S Main St | Columbia | IL | 62236 |
| Compusolve | 618-654-1413 | 225 Coventry Way | Highland | IL | 62249 |
| Computer Associates Inc | 618-939-8445 | 2604 Hanover Rd | Columbia | IL | 62236 |
| Computer Friends | 618-372-4136 | 217 North Britn | Brighton | IL | 62012 |
| Computer Mgt Assistance Co | 618-242-4020 | 104 N 9th St | Mount Vernon | IL | 62864 |
| Computer Power Solutions Inc | 618-281-8898 | 950 Columbia Ctr | Columbia | IL | 62236 |
| Compututor Inc | 618-242-1324 | 1612 Isabella Ave | Mount Vernon | IL | 62864 |
| Cook Vic | 618-463-1140 | 518 Beacon St | Alorton | IL | 62207 |
| Cutting Edge | 618-982-9622 | RR 1 | Pittsburg | IL | 62974 |
| Data Logic | 618-997-6461 | 1004 W Hendrickson St | Marion | IL | 62959 |
| Edt Software Solutions | 618-236-2952 | 32 Robin Hill Ln | Belleville | IL | 62221 |
| Enterprise Computing Solutions | 618-257-2848 | 3233 Margaret Mary Ln | Belleville | IL | 62221 |
| First Financial Banking Services Inc | 618-628-3840 | 133 W 1st St | O Fallon | IL | 62269 |
| Function 1 Computers | 618-842-6700 | 404 W Center St | Fairfield | IL | 62837 |
| Genisys Business Systems | 618-462-2256 | 1114 Milton Rd | Alorton | IL | 62207 |
| H & H Computer Services | 618-532-4551 | 435 W Bway | Centralia | IL | 62801 |
| H & H Computer Services | 618-283-0561 | RR 3 | Vandalia | IL | 62471 |
| Intergrated Information Technology Corp | 618-632-0518 | 6 Eagle Ctr | O Fallon | IL | 62269 |
| International Consultants Inc | 618-628-1120 | 3 Eagle Ctr | O Fallon | IL | 62269 |
| Marxon Inc | 618-242-0606 | 400 Main St | Mount Vernon | IL | 62864 |
| Modern Technologies Corp | 618-632-1055 | 7 Eagle Ctr | O Fallon | IL | 62269 |
| Plato Computers | 618-254-8618 | 82 E Ferguson Ave | Wood River | IL | 62095 |
