| Business | Phone |
| Aimco 10000 Se Pine St, Portland 97216 | (503) 255-7482 |
| Chains & Sprockets Inc 1106 Se 6th Ave, Portland 97214 | (503) 234-0507 |
| Eis Engines 215 Se Grand Ave, Portland 97214 | (503) 232-5590 |
| L & L Fabrication 5131 Ne 148th Ave, Portland 97230 | (503) 255-5200 |