| Business | Phone |
| Texas International Trading Co 11311 N Central Expy # 211, Dallas 75243 | (214) 750-0633 |
| Export Credit Insurance 12720 Hillcrest Rd, Dallas 75230 | (972) 503-3156 |
| Topaz Communications Intl 2915 Lyndon B Johnson Fwy, Dallas 75234 | (972) 481-9494 |
| Geological Supply 6824 Charade Dr, Dallas 75214 | (214) 823-1104 |