| Business | Phone |
| A S Z's Internet World 6713 Whiting Dr, Troy 48098 | (248) 828-3389 |
| Waveform Technology Llc 6606 Tamarack Dr, Troy 48098 | (248) 828-9777 |
| Stratacomm 3290 W Big Beaver Rd, Troy 48084 | (248) 649-8000 |
| Sprintnet Troy 48084 | (248) 244-7905 |
| Simplix 3780 Rochester Rd 100, Troy 48083 | (248) 740-8150 |
| Cogent Communications 3331 W Big Beaver Rd, Troy 48084 | (248) 816-2037 |
| Elizabeth Enterprises 1183 Kirts Blvd D, Troy 48084 | (248) 362-3483 |