| Business | Phone |
| Independent Telcom Consultants 6542 Post Oak Dr, West Bloomfield 48322 | (248) 539-9270 |
| Kay Britten Communications 6057 Waterview Ct, West Bloomfield 48322 | (248) 592-0507 |
| Sterling Marketing Inc 7412 Vintage Ln, West Bloomfield 48322 | (248) 661-5191 |
| Cinnabar Telecomm Consulting 4431 Southmoor Ln, West Bloomfield 48323 | (248) 737-9437 |
| Nice Systems 2732 Lone Pine Rd, West Bloomfield 48323 | (248) 538-4404 |