| Business | Phone |
| Lms Telecommunications 1809 Willow Creek Ct, Garland 75040 | (972) 494-7416 |
| One Voice Technology 3623 Broadway Blvd, Garland 75043 | (972) 271-6050 |
| Phonetel 502 W Interstate 30, Garland 75043 | (972) 226-9075 |
| Uts Garland 75044 | (972) 530-5272 |