| Business | Phone |
| Barr Castings Co 8981 Se 76th Dr, Portland 97206 | (503) 771-3346 |
| Quality Brass & Aluminum Fndry 7531 Ne 33rd Dr, Portland 97211 | (503) 287-8454 |
| Golden Dale Alumium 2600 N River St, Portland 97227 | (503) 285-4621 |
| Mac Adam Aluminum & Bronze Co 1255 N Columbia Blvd, Portland 97217 | (503) 285-0331 |