| Business | Phone |
| Accufab Metal Works Inc 904 1st Ave S, Seattle 98134 | (206) 682-1482 |
| All Metals Fabricators Inc 2959 Utah Ave S, Seattle 98134 | (206) 622-6238 |
| Amick Metal Fabricators Inc 2727 6th Ave S, Seattle 98134 | (206) 622-5228 |
| B & B Welding Inc 3400 16th Ave W, Seattle 98119 | (206) 282-0994 |
| Nucor Steel Seattle Inc 2424 Sw Andover St, Seattle 98106 | (206) 933-9730 |
| Bowman Morton Mfg & Machine 6276 Ellis Ave S, Seattle 98108 | (206) 524-8890 |
| Commercial Welding & Fab Inc 711 S Myrtle St, Seattle 98108 | (206) 767-4211 |
| Custom Iron Co Inc 102 Frontage Rd S, Seattle 98148 | (206) 241-0659 |
| Custom Steel Fabricators Inc 3530 Rainier Ave S, Seattle 98144 | (206) 723-1997 |
| Design Construction Heritage 4000 Aurora Ave N 207, Seattle 98103 | (206) 634-1989 |
| Division Five The Steel Fab 6458 S 144th St, Seattle 98168 | (206) 988-5004 |
| Fab World 4022 23rd Ave W, Seattle 98199 | (206) 378-5907 |
| Brekke Co Welding 1526 Nw 46th St, Seattle 98107 | (206) 784-1368 |
| Hansen Fabrication 4254 23rd Ave W, Seattle 98199 | (206) 283-9181 |
| Gem Welding & Fabrication Inc 3031 W Commodore Way, Seattle 98199 | (206) 283-5883 |
| Global Inc 7619 5th Ave S, Seattle 98108 | (206) 763-4424 |
| Industrial Metalworking Sales Seattle 98109 | (206) 285-0543 |
| Jodal Manufacturing 1410 Sw 102nd St, Seattle 98146 | (206) 763-8848 |