| Business | Phone |
| F Douglas Harrell Agency 1359 N Main St, Hampstead 21074 | (410) 239-7272 |
| Hampstead School Apartments 1211 N Main St, Hampstead 21074 | (410) 374-8144 |
| Maple Grove Properties 4211 Maple Grove Rd, Hampstead 21074 | (410) 374-4322 |
| Ridgley House 4424 Black Rock Rd, Hampstead 21074 | (410) 239-2236 |