| MMMelissa M Riley | Portland | — | ◇ UNVERIFIED |
| MMMercury Metal | Eugene | — | ◇ UNVERIFIED |
| MFMeta Fab | Hillsboro | — | ◇ UNVERIFIED |
| MFMetalcraft Fabrication INC | Portland | — | ◇ UNVERIFIED |
| MEMetal Enterprises, INC. | Portland | — | ◇ UNVERIFIED |
| MIMetal Improvement Company LLC | Milwaukie | — | ◇ UNVERIFIED |
| MPMetal Polishing By Timothy INC | Portland | — | ◇ UNVERIFIED |
 Metal Products Company | Springfield | — | ◇ UNVERIFIED |
| Metal Products Company | Springfield | — | ◇ UNVERIFIED |
| MPMetalworks Paint & Rust Removal INC | Eugene | — | ◇ UNVERIFIED |
| MCMetro Custom Iron Works LLC | Milwaukie | — | ◇ UNVERIFIED |
| MUMetso USA INC | Portland | — | ◇ UNVERIFIED |
| MEMichael E Taylor | Oregon City | — | ◇ UNVERIFIED |
| MMMichael Mccann | Grants Pass | — | ◇ UNVERIFIED |
| MMMichael Mccrorey | Myrtle Point | — | ◇ UNVERIFIED |
| MMMichael Mccrorey | Myrtle Point | — | ◇ UNVERIFIED |
| MTMichael Todd Mcmurray | Portland | — | ◇ UNVERIFIED |
| MVMid Valley Metal Works, Inc. | Salem | — | ◇ UNVERIFIED |
| MCMike Crisp Jr | Grants Pass | — | ◇ UNVERIFIED |
| MEMills Engineering Company INC | White City | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Clackamas | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Portland | — | ◇ UNVERIFIED |
| MEMl & Es Ventures LLC | Troutdale | — | ◇ UNVERIFIED |
| MEMl & Es Ventures LLC | Wood Village | — | ◇ UNVERIFIED |
| MGMl Gatewood Company | Hillsboro | — | ◇ UNVERIFIED |
| MMModular Mini Storage INC | Tualatin | — | ◇ UNVERIFIED |
| MMMohawk Metal Company | Eugene | — | ◇ UNVERIFIED |
| MMMolalla Machine Shop INC | Molalla | — | ◇ UNVERIFIED |
| MTMonaco Tool LLC | Eugene | — | ◇ UNVERIFIED |
| MMMongoose Metals INC | Salem | — | ◇ UNVERIFIED |
| MEMorrison Engineering & Machining INC | Tualatin | — | ◇ UNVERIFIED |
| MPMorris Powder Coating | Yamhill | — | ◇ UNVERIFIED |
| MCMross Company LLC | Eugene | — | ◇ UNVERIFIED |
| MCMross Company LLC | Eugene | — | ◇ UNVERIFIED |
| MFMyers Fabrication INC | Eugene | — | ◇ UNVERIFIED |
| NONew Oregon Machine INC | Portland | — | ◇ UNVERIFIED |
| NINinth Inning Corporation | Salem | — | ◇ UNVERIFIED |
| NMN & M Kuenzi LLC | Salem | — | ◇ UNVERIFIED |
| NANorth American Metals INC | Banks | — | ◇ UNVERIFIED |
| NONorthern Oregon Fabrication LLC | North Plains | — | ◇ UNVERIFIED |
| NANorthwest Aluminum Trailers INC | Roseburg | — | ◇ UNVERIFIED |
| NFNorthwest Fourslide INC | Sherwood | — | ◇ UNVERIFIED |
| NINorthwest Innovators LLC | Clackamas | — | ◇ UNVERIFIED |
| NPNorthwest Precision Fabricators INC | Oregon City | — | ◇ UNVERIFIED |
| NSNorthwest Specialty Fab LLC | Central Point | — | ◇ UNVERIFIED |
| NSNorthwest Stamping INC | Eugene | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | — | ◇ UNVERIFIED |
| NTNorthwest Thermal Systems INC | Estacada | — | ◇ UNVERIFIED |
