| Business | Phone |
| Us Drug Enforcement Adm 1721 Midpark Rd # 300, Knoxville 37921 | (865) 584-9364 |
| Us Marshal Dept 800 Market St # 320, Knoxville 37902 | (865) 545-4182 |
| Us Secret Svc 710 Locust St, Knoxville 37902 | (865) 545-4627 |
| Federal Bureau-Investigation 710 Locust St # 600, Knoxville 37902 | (865) 544-0751 |