| Business | Phone |
| Aaa Materials 42707 Saint Andrews Church Rd, Leonardtown 20650 | (301) 475-7992 |
| Sloan Materials 40840 Parsons Mill Rd, Leonardtown 20650 | (301) 475-3651 |
| Hodges Trucking 18715 Hodges Ln, Leonardtown 20650 | (301) 994-2415 |
| Maryland Rock Industries Inc 21475 Abells Wharf Rd, Leonardtown 20650 | (301) 475-3003 |