| Business | Phone |
| Prince William Cnty Economic 10530 Linden Lake Plz 105, Manassas 20109 | (703) 392-0330 |
| Prince William County Tourism 14420 Bristow Rd, Manassas 20112 | (703) 792-4254 |
| Prince William Economic Dev 10530 Linden Lake Plz 105, Manassas 20109 | (703) 792-5500 |