| Business | Phone |
| Us Fish & Wildlife Dept Svc 1205 Royal Ln 120, Dallas 75261 | (972) 574-3254 |
| Us Plant Protection Quarantine Dallas Fort Worth Airport A, Dallas 75261 | (972) 574-2166 |
| Us Army Corps Of Engineers 1100 Commerce St, Dallas 75242 | (214) 767-2510 |
| Us Army Corps Of Engineers 4001 E Overton Rd, Dallas 75216 | (214) 374-2621 |