| Business | Phone |
| Smith Precision Mfg 9230 Prince William St, Manassas 20110 | (703) 925-0506 |
| A & C Sheetmetal Fabrication 7064 Tech Cir, Manassas 20109 | (703) 330-4718 |
| W & E Sheet Metal 8379 Wellington Rd, Manassas 20109 | (703) 368-0201 |
| Battlefield Sheet Metal Inc 12253 Livingston Rd, Manassas 20109 | (703) 369-2085 |
| Duran Sheet Metal 9039 Portner Ave, Manassas 20110 | (703) 368-4819 |
| Old Dominion Supply Inc 9207 Vassau Ct, Manassas 20111 | (703) 369-1110 |
| Iac Metals Inc 10425 Balls Ford Rd, Manassas 20109 | (703) 256-9888 |