| Business | Phone |
| Us Consolidated Farm Svc Agcy 501 Court Ln, Cambridge 21613 | (410) 228-5640 |
| Us Fish & Wildlife Dept Svc 2145 Key Wallace Dr, Cambridge 21613 | (410) 228-2677 |
| Us Fish & Wildlife Dept Svc Rr 1, Cambridge 21613 | (410) 228-2677 |
| Us Interior Dept Law Enfrcmnt 828 Airpax Rd, Cambridge 21613 | (410) 228-7991 |