| Business | Phone |
| Summit Land Development Inc 8424 Quarry Rd, Manassas 20110 | (703) 367-9456 |
| D & L Earthworks Inc 11301 Industrial Rd, Manassas 20109 | (703) 368-8231 |
| Earth Retention Systems Inc 11111 Industrial Rd, Manassas 20109 | (703) 330-6534 |
| New York Excavation 7750 Wellingford Dr 204, Manassas 20109 | (703) 330-9191 |
| Doug Bowman Excavating 7812 Bethlehem Rd, Manassas 20109 | (703) 335-2600 |