| Business | Phone |
| Global Signal Inc 5110 Tollview Dr, Rolling Meadows 60008 | (847) 222-9689 |
| Whitehouse Communications Svc 1600 Golf Rd, Rolling Meadows 60008 | (847) 364-0847 |
| Supplynet Communications 5410 Newport Dr, Rolling Meadows 60008 | (847) 392-4228 |
| Tele Pacific Communications 1701 Golf Rd, Rolling Meadows 60008 | (847) 621-1000 |