| Business | Phone |
| Senator Phil Gramm 2323 Bryan St # 1500, Dallas 75201 | (214) 767-3000 |
| Us Drug Enforcement Adm 10160 Technology Blvd E, Dallas 75220 | (214) 366-6900 |
| Federal Protective Svc 1114 Commerce St 102, Dallas 75242 | (214) 767-0590 |
| Us Alcohol Tobacco & Firearms 1114 Commerce St 303, Dallas 75242 | (469) 227-4300 |