| Business | Phone |
| Sun Tel Svc 3737 Lake Eastbrook Blvd Se, Grand Rapids 49546 | (616) 957-1986 |
| Realitycheck 620 Century Ave Sw 200, Grand Rapids 49503 | (616) 643-4664 |
| Robinson Telecom 1547 S Division Ave, Grand Rapids 49507 | (616) 246-5017 |
| Mci 2855 Oak Industrial Dr Ne, Grand Rapids 49505 | (616) 956-0592 |