| Business | Phone |
| Taylor Boiler & Equipment Co 9943 Ne 6th Dr, Portland 97211 | (503) 285-9800 |
| Cole Industrial Inc 3150 Nw 31st Ave # 4a, Portland 97210 | (503) 972-0595 |
| Ponder Bruner Co Portland 97203 | (503) 286-1235 |
| Mechanical Sales Inc 720 Ne Flanders St, Portland 97232 | (503) 736-9889 |