| Business | Phone |
| Baystar Paging 1200 Commerce Dr, Plano 75093 | (972) 964-8992 |
| Executive Centers 555 Republic Dr # 200, Plano 75074 | (972) 881-1003 |
| Mays Service Plano 75074 | (972) 424-2644 |
| Phonetree 2816 W Aspen Ct, Plano 75075 | (972) 867-0435 |
| Selling On Hold Plano 75075 | (972) 867-0880 |