| Business | Phone |
| Othon 9500 Forest Ln 540, Dallas 75243 | (214) 340-7344 |
| Veritech Environment Svc 5489 Blair Rd 300, Dallas 75231 | (214) 890-0702 |
| Weston Solutions Inc 5001 Lbj Fwy 700, Dallas 75244 | (972) 715-2620 |
| Malcolm Pirnie Inc 12400 Coit Rd, Dallas 75251 | (972) 934-3711 |