| Business | Phone |
| Bilingual Communications 1801 N Opdyke Rd, Auburn Hills 48326 | (248) 364-4178 |
| Communication Access Ctr 2790 Auburn Rd, Auburn Hills 48326 | (248) 293-9740 |
| Engineered Communications 4225 N Atlantic Blvd, Auburn Hills 48326 | (248) 393-0500 |
| Nexlink Communications Llc 1532 N Opdyke Rd, Auburn Hills 48326 | (248) 409-2511 |