| Business | Phone |
| Balser Machinery Co 610 Se Caruthers, Portland 97214 | (503) 238-0886 |
| Carter Machine & Tool 2436 Se 12th Ave, Portland 97214 | (503) 232-7061 |
| E V Prentice Machinery Co 4309 N Overlook Blvd, Portland 97217 | (503) 282-3262 |
| Miller Electric Manufacturer Co 5223 Ne 158th Ave, Portland 97230 | (503) 256-7344 |