| Business | Phone |
| A C Fabrication 6849 Ne 42nd Ave, Portland 97218 | (503) 287-5272 |
| C & M Trailer Manufacturer 7410 Se Johnson Creek Blvd, Portland 97206 | (503) 777-5826 |
| Silver Eagle Manufacturer Co 5825 Ne Skyport Way, Portland 97218 | (503) 281-0727 |
| Gilbertson Iron Works 10602 Se Foster Rd, Portland 97266 | (503) 760-8892 |
| M & H Trailers 10711 Se Knight St, Portland 97266 | (503) 772-3294 |