| Business | Phone |
| Accounting Resource Group 800 Roosevelt Rd, Glen Ellyn 60137 | (630) 545-9191 |
| Jly Computer 436 Roosevelt Rd, Glen Ellyn 60137 | (630) 545-0485 |
| Loganbritton 585 Hillside Ave, Glen Ellyn 60137 | (630) 469-6077 |
| Micromanager Software Svc Glen Ellyn 60137 | (630) 469-1240 |
| Objectseek Inc 800 Roosevelt Rd, Glen Ellyn 60137 | (630) 790-7900 |
| Orbis Web Design Inc 799 Roosevelt Rd, Glen Ellyn 60137 | (630) 942-6403 |
| Outstart 800 Roosevelt Rd, Glen Ellyn 60137 | (847) 619-5144 |
| P C Plus Inc Glen Ellyn 60137 | (630) 627-7718 |
| Portico Technology-Partners 460 N Main St 301, Glen Ellyn 60137 | (630) 717-6270 |
| Reliant Computer Group Inc 705 Hill Ave, Glen Ellyn 60137 | (630) 469-3100 |
| Robert O Beilfuss 173 S Milton Ave, Glen Ellyn 60137 | (630) 790-9797 |
| Triphis 393 Anthony St, Glen Ellyn 60137 | (630) 858-8760 |
| Vopenka & Assoc 800 Roosevelt Rd D115, Glen Ellyn 60137 | (630) 469-2236 |
| Toner Cartridge Express Po Box 2672, Glen Ellyn 60138 | (630) 858-8120 |