| A M Computer Services | 815-729-4157 | 1407 Colorado Ave | Joliet | IL | 60435 |
| Ablesoft Solutions Inc | 815-732-7240 | 2178 3rd St | Oregon | IL | 61061 |
| Advanced Applications Computer Systems | 815-965-5562 | 2326 Hecker Ave | Rockford | IL | 61103 |
| Aidex Corporation | 815-942-4299 | 1802 Division St | Morris | IL | 60450 |
| Amber Computer Service | 815-469-0500 | PO Box 121 | Frankfort | IL | 60423 |
| American Communication Systems | 815-756-8016 | 913 S 4th St | De Kalb | IL | 60115 |
| Animal Hospital Of La Salle | 815-223-0129 | 1900 Chartres St | La Salle | IL | 61301 |
| Apple Core Desktop Design Inc | 815-968-2901 | 412 N Day Ave | Rockford | IL | 61101 |
| Applied Micro Inc | 815-344-0002 | 4310 W Crystal Lake Rd | Mc Henry | IL | 60050 |
| Audi-Comm Ad Line | 815-623-9578 | P B Box 222 | Roscoe | IL | 61073 |
| Audi-Comm Main Ofc | 815-623-9331 | 11803 Hayloft | Roscoe | IL | 61073 |
| Bg Micro Security & Services | 815-825-2300 | 4670 Rich Rd | Clare | IL | 60111 |
| Big Cars Cigars & Movie Stars | 815-356-7170 | 345 Memorial Dr | Crystal Lake | IL | 60014 |
| Blackmoon Consulting | 815-547-8403 | 9577 Henninger Dr | Belvidere | IL | 61008 |
| Broadview Systems Inc | 815-397-3507 | 1105 Brae Burn Ln | Rockford | IL | 61107 |
| Camira Technologies Inc | 815-455-8086 | 421 Elmwood Ave | Crystal Lake | IL | 60014 |
| Case Larry Consulting | 815-434-2511 | 180 & Rt 23 | Ottawa | IL | 61350 |
| Cimplex Corp | 815-436-2295 | 12800 S Elizabeth Dr | Plainfield | IL | 60544 |
| Clukey Computers | 815-498-2155 | 215 S Dewey St | Somonauk | IL | 60552 |
| Compaq Computer | 815-356-0003 | 2125 S Shore Dr | Crystal Lake | IL | 60014 |
| Compnet Inc | 815-344-1178 | 4314-C W Crystal Lake Rd | Mc Henry | IL | 60050 |
| Compu Solve | 815-838-6212 | 1 S Independence Blvd | Romeoville | IL | 60441 |
| Compusult Inc | 815-356-1300 | 4405 Nancy Dr | Crystal Lake | IL | 60014 |
| Computer Connections | 815-857-3033 | 1441 Amboy Rd | Amboy | IL | 61310 |
| Computer Consultants Enterprises Inc | 815-227-4850 | 2207 Jonquil Pl | Rockford | IL | 61104 |
| Computer Integration Inc | 815-359-7626 | 202 N First | Harmon | IL | 61042 |
| Conhall Technical Services Inc | 815-623-2674 | 11678 Crockett Rd | Roscoe | IL | 61073 |
| Creative Computing | 815-937-9977 | RR 2 | Kankakee | IL | 60901 |
| Dairyland Computers | 815-842-3764 | 319-1/2 W Cleary St | Pontiac | IL | 61764 |
| Data Solutions | 815-623-7662 | 4245 Valerie Rd | Roscoe | IL | 61073 |
| Datashop | 815-879-0704 | 222 S Main St | Princeton | IL | 61356 |
| Datom Engineering Software Inc | 815-477-3380 | 561 Somerset Ln | Crystal Lake | IL | 60014 |
| Deadline Inc | 815-344-3871 | 1512 River Terrace Dr | Mc Henry | IL | 60050 |
| Deadline Inc | 815-344-3889 | 1512 River Terrace Dr | Mc Henry | IL | 60050 |
| Dynamic Interactive Solutions Co | 815-338-5789 | 511 High Meadow Dr | Woodstock | IL | 60098 |
| Eclipse Technologies Inc | 815-455-2406 | 1007 Shadowood Ln | Crystal Lake | IL | 60014 |
| Electronic Partnering | 815-784-6434 | 9320 State Route 72 | Kingston | IL | 60145 |
| Electronics Research & Consulting | 815-584-1899 | 116 E Main St | Dwight | IL | 60420 |
| Elliott & Company | 815-962-5007 | 221 N Longwood St | Rockford | IL | 61107 |
| Estell Lavina | 815-729-1900 | 1503 N Plainfield Rd | Joliet | IL | 60435 |
| Evergreen Systems Inc | 815-729-4040 | 2319 N Plainfield Rd | Joliet | IL | 60435 |
| Executive Information Corp | 815-633-9743 | 2792 Hedge Cliff Dr | Rockford | IL | 61114 |
| Flexable Systems | 815-756-5792 | 6728 Minnegan Rd | Waterman | IL | 60556 |
| Game Refuge Inc | 815-786-3324 | 2300 E Church St | Sandwich | IL | 60548 |
| Halpin Gerald W Cpa | 815-537-2631 | 106 Park Ave | Prophetstown | IL | 61277 |
| Lindgren Callihan Van Osdol & Co Ltd | 815-338-5225 | 1212 N Seminary Ave | Woodstock | IL | 60098 |
| Myers H Wm & Assoc | 815-459-0100 | 361 W Virginia St | Crystal Lake | IL | 60014 |
| Strons & Associates | 815-485-1199 | 1239 E Francis Rd | New Lenox | IL | 60451 |
