| Business | Phone |
| Construction Management System 9855 Business Way, Manassas 20110 | (703) 393-0300 |
| Construction Projects Inc 9267 Center St, Manassas 20110 | (703) 631-6460 |
| Desbuild Inc 9051 Liberia Ave, Manassas 20110 | (703) 392-6769 |
| Gomez Construction Co Inc 9011 Centreville Rd 66, Manassas 20110 | (703) 392-8511 |
| Land Management Ltd 10501 Balls Ford Rd, Manassas 20109 | (703) 361-6556 |
| Kaminski Construction Inc 9041 West St, Manassas 20110 | (703) 330-2118 |