| Business | Phone |
| Stagnito Communications 3715 Landsdown Ave, Naperville 60564 | (630) 717-9780 |
| Vinakom Communications 1312 Leawood Ct, Naperville 60564 | (630) 416-8331 |
| Kairos Communications Inc 1341 Middleburg Rd, Naperville 60540 | (630) 305-3960 |
| Stargate Communications 40 Shuman Blvd, Naperville 60563 | (630) 369-1651 |
| Serif Communications 1836 Mountain Ct, Naperville 60565 | (630) 527-1783 |