| Business | Phone |
| Non-Ferrous Metals Inc 230 S Chicago St, Seattle 98108 | (206) 762-3600 |
| Olympic Foundry Inc 5200 Airport Way S, Seattle 98108 | (206) 764-6200 |
| Mortenson Sculpture Foundry 2553 Westlake Ave N, Seattle 98109 | (206) 283-6009 |
| Meltec 3444 13th Ave Sw, Seattle 98134 | (206) 623-3275 |
| Northwest Castings Inc 3411 1st Ave S, Seattle 98134 | (206) 621-7560 |