| Business | Phone |
| Williams Industries Inc 8624 J D Reading Dr, Manassas 20109 | (703) 335-7800 |
| Wipper Steel Corp 8430 Quarry Rd 110, Manassas 20110 | (703) 335-2177 |
| Yoder Steel Corp 10220 Residency Rd, Manassas 20110 | (703) 369-2329 |
| Alliance Steel & Fabrication 9106 Manassas Dr, Manassas 20111 | (703) 368-1503 |
| B & B Armr 9045 Jerrys Cir, Manassas 20110 | (703) 393-7527 |
| Extreme Steel Inc 10394 Central Park Dr, Manassas 20110 | (703) 361-3411 |