| Business | Phone |
| Bromley Refractory Svc Inc 2638 Ne Columbia Blvd, Portland 97211 | (503) 288-5585 |
| North West Ind & Foundry Supply 10771 N Lombard St, Portland 97203 | (503) 286-3666 |
| Harbison Walker Refractories 1333 Nw 12th Ave, Portland 97209 | (503) 227-7944 |
| High-Temp Inc 14025 N Rivergate Blvd, Portland 97203 | (503) 737-0345 |