| Business | Phone |
| Culligan Water Conditioning 32 S 2nd St, Oakland 21550 | (301) 359-0597 |
| Decorator's Nook 50 Glotfelty Dr, Oakland 21550 | (301) 387-2355 |
| Dick & Dick 58 Spring Hill Cir, Oakland 21550 | (301) 334-1779 |
| Dove 316 E Alder St, Oakland 21550 | (301) 334-8889 |
| Early Intervention 770 Dennett Rd, Oakland 21550 | (301) 533-0240 |
| Ehp Assoc 1000 Thayer Ctr, Oakland 21550 | (301) 334-8868 |
| Forsyth & Associatesforsyth 314 S 2nd St, Oakland 21550 | (301) 334-4630 |
| Glade West Oakland 21550 | (301) 334-8597 |
| Gorman Associates 738 Winston Rd, Oakland 21550 | (301) 334-5171 |
| Hearth & Home 930 Holy Cross Rd, Oakland 21550 | (301) 387-7929 |
| Holsopple Agency Route 219 N, Oakland 21550 | (301) 334-4050 |
| Innovative Concepts In Electr 18361 Garrett Hwy, Oakland 21550 | (301) 777-0955 |
| Overlook North 61 Vista Sq, Oakland 21550 | (301) 334-5877 |
| Skidmore & Alderson Pa 204 E Alder St, Oakland 21550 | (301) 359-8000 |
| Underwood South 201 E Mason St, Oakland 21550 | (301) 334-9900 |
| Yough West Oakland 21550 | (301) 334-8572 |