| Business | Phone |
| Air Net Communications 2385 W Campus Dr, Mount Pleasant 48858 | (989) 772-9245 |
| Delta Communications 1620 S Mission St N, Mount Pleasant 48858 | (989) 773-8192 |
| Nationwide Communications 123 S Main St, Mount Pleasant 48858 | (989) 772-2695 |
| Nationwide Communications 223 S Main St, Mount Pleasant 48858 | (989) 772-0083 |
| Nationwide Communications 2428 S Leaton Rd, Mount Pleasant 48858 | (989) 775-7422 |
| Nationwide Communications 2514 S Isabella Rd, Mount Pleasant 48858 | (989) 773-1986 |
| Nationwide Communications 5030 S Mission Rd, Mount Pleasant 48858 | (989) 773-3010 |
| Nationwide Communications 7024 E Pickard Rd, Mount Pleasant 48858 | (989) 772-9527 |
| Smi Communications 5655 E Pickard Rd, Mount Pleasant 48858 | (989) 775-7329 |