| Business | Phone |
| Hobbs Brothers Inc 13709 Nichols Dr, Clarksville 21029 | (301) 854-3259 |
| Hoemasters Clarksville 21029 | (410) 531-6355 |
| Jems Contracting Inc 12698 State Route 108, Clarksville 21029 | (410) 552-9501 |
| Pickens & Sons Inc 6510 Haviland Mill Rd, Clarksville 21029 | (301) 854-2066 |
| Whitworth Excavation 12680 State Route 108, Clarksville 21029 | (410) 531-5033 |