| Business | Phone |
| Merchants Metal Refinishing Seattle 98104 | (206) 394-9833 |
| Powell Patinations Seattle 98104 | (206) 719-4466 |
| Seattle Technical Finishing 1005 S King St, Seattle 98104 | (206) 322-2141 |
| Skills Inc 800 Nw 46th St, Seattle 98107 | (206) 782-6000 |
| Magnetic & Penetrant Svc Inc 309 S Cloverdale St, Seattle 98108 | (206) 762-5855 |
| Precision Engineering 1231 S Director St, Seattle 98108 | (206) 763-0320 |
| Show Quality Metal Finishing 1115 S Elizabeth St, Seattle 98108 | (206) 762-6717 |
| Mastercraft Metal Finishing 1175 Harrison St, Seattle 98109 | (206) 622-6380 |
| Powell's Patinations 5021 Colorado Ave S, Seattle 98134 | (206) 763-4020 |