| Business | Phone |
| Longhorn Road Boring Co 13213 Senlac Dr, Dallas 75234 | (972) 241-8686 |
| Planetary Utilities Inc 10650 Control Pl, Dallas 75238 | (214) 349-2904 |
| Chuck Tunneling & Boring 5131 Mona Ln, Dallas 75236 | (972) 780-1473 |
| M D Jones Boring Dallas 75209 | (214) 808-9505 |