| Business | Phone |
| Big Pipe Inc 2001 6th Ave, Seattle 98121 | (206) 728-4295 |
| Burning Specialties Inc 6553 5th Ave S, Seattle 98108 | (206) 763-3023 |
| Corus Metals Inc 2225 6th Ave S, Seattle 98134 | (206) 623-6672 |
| Coulter Steel & Forge Co 500 S Lander St, Seattle 98134 | (206) 622-6086 |
| Esco Northwest 3844 1st Ave S, Seattle 98134 | (206) 623-4160 |
| Everett Steel 3434 16th Ave W, Seattle 98119 | (206) 282-8694 |
| Gary Steel Co 4702 Colorado Ave S, Seattle 98134 | (206) 762-5100 |
| Iss West Inc 801 2nd Ave 1108, Seattle 98104 | (206) 470-3754 |