| Business | Phone |
| Us Alcohol Tobacco & Firearms 31 Hopkins Plz, Baltimore 21201 | (410) 962-4115 |
| Us Drug Enforcement Adm 200 Saint Paul Pl # 2222, Baltimore 21202 | (410) 962-4800 |
| Us Drug Enforcement Adm 31 Hopkins Plz, Baltimore 21201 | (410) 962-4800 |
| Us Secret Svc 100 S Charles St, Baltimore 21201 | (443) 263-1000 |
| Federal Bureau-Investigation 7142 Ambassador Rd, Baltimore 21244 | (410) 265-8080 |