| Business | Phone |
| Universal Technical Systems 202 W State St 700, Rockford 61101 | (815) 963-2220 |
| Software Engineering Svc 2801 Ridge Ave, Rockford 61103 | (815) 963-1760 |
| Computer Aided Management 3821 E State St 198, Rockford 61108 | (815) 282-2267 |
| Datacraft Inc 120 W State St 405, Rockford 61101 | (815) 965-9800 |
| Readette Office Equipment Co 1121 Broadway, Rockford 61104 | (815) 965-6490 |
| Red Giant Software 2204 Grandchester Pl, Rockford 61107 | (815) 226-1868 |
| Midwest Software Development 3128 N Main St, Rockford 61103 | (815) 965-3213 |
| Ikann Integrated Svc Inc 4813 Augustana Dr, Rockford 61107 | (815) 395-9586 |
| Indo American Capital & Tech 202 W State St # 700, Rockford 61101 | (815) 963-4414 |
| Interactive Software Products 2704 Broadway, Rockford 61108 | (815) 226-8701 |