| Business | Phone |
| Adamjee Innovative Inc 351 W Hampshire Dr, Bloomingdale 60108 | (630) 924-5571 |
| Advanced Computer Technology 1 Tiffany Pt, Bloomingdale 60108 | (630) 671-0045 |
| Best Computer Systems 113 Fairfield Way # 202, Bloomingdale 60108 | (630) 307-6995 |
| Chicago Area Software House 1 Tiffany Pt, Bloomingdale 60108 | (630) 893-0244 |
| Computer Insights Inc 108 3rd St, Bloomingdale 60108 | (630) 893-4007 |
| Concerto Software Inc 205 Regency Dr, Bloomingdale 60108 | (630) 980-4340 |