| Business | Phone |
| A T & T 2851 Charlevoix Dr Se 221, Grand Rapids 49546 | (616) 957-8200 |
| All American Phones 3195 28th St Se, Grand Rapids 49512 | (616) 942-0569 |
| Avaya Inc 3940 Peninsular Dr Se, Grand Rapids 49546 | (616) 956-2365 |
| Best Net Communications Corp 5075 Cascade Rd Se, Grand Rapids 49546 | (616) 977-9933 |
| Covad Communications 114 Division Ave N, Grand Rapids 49503 | (616) 454-3071 |
| Covad Communications 1167 Cass Ave Se, Grand Rapids 49507 | (616) 246-5240 |
| Covad Communications 1515 Michigan St Ne, Grand Rapids 49503 | (616) 776-0547 |
| Covad Communications 2850 Lake Michigan Dr Nw, Grand Rapids 49504 | (616) 735-6361 |
| Covad Communications 3759 Broadmoor Ave Se, Grand Rapids 49512 | (616) 940-4620 |
| Lucre Inc 4011 Plainfield Ave Ne, Grand Rapids 49525 | (616) 361-0128 |
| Ldmi 3355 Eagle Crest Dr Ne, Grand Rapids 49525 | (616) 493-5364 |
| Verizon Wireless 300 Monroe Ave Nw, Grand Rapids 49503 | (616) 451-8355 |
| U S Exchange 56 Grandville Ave Sw, Grand Rapids 49503 | (616) 454-0546 |
| Usacom Consulting 3022 Hingston Ave, Grand Rapids 49512 | (609) 383-1244 |
| Teclon Group 2424 Burton St Se 202, Grand Rapids 49546 | (616) 940-1155 |
| Skycom 1345 Monroe Ave Nw, Grand Rapids 49505 | (616) 233-2560 |
| Peterson Datacom Group 7216 Division Ave S, Grand Rapids 49548 | (616) 455-6726 |
| Optisave Llc 648 Monroe Ave Nw, Grand Rapids 49503 | (616) 742-1200 |
| Marceco Ltd 1133 Michigan St Ne, Grand Rapids 49503 | (616) 458-3888 |