| Business | Phone |
| Vrs Consultants 7510 Orchid Ct, Manassas 20109 | (703) 361-9594 |
| Traffic Systems & Technology 7853 Coppermine Dr, Manassas 20109 | (703) 530-9655 |
| Cti Consultants Inc 11250 Chatterly Loop, Manassas 20109 | (703) 330-0345 |
| Edge Consulting Inc 7867 Pembridge Rd, Manassas 20112 | (703) 791-0900 |
| Novus Consulting 10356 Battleview Pkwy, Manassas 20109 | (703) 393-6387 |