| MMMeeks Metal Works INC | Portland | — | ◇ UNVERIFIED |
| MMMeiers Modern Metals, LLC | Portland | — | ◇ UNVERIFIED |
| MMMelissa M Riley | Portland | — | ◇ UNVERIFIED |
| MFMetalcraft Fabrication INC | Portland | — | ◇ UNVERIFIED |
| MEMetal Enterprises, INC. | Portland | — | ◇ UNVERIFIED |
| MPMetal Polishing By Timothy INC | Portland | — | ◇ UNVERIFIED |
| MUMetso USA INC | Portland | — | ◇ UNVERIFIED |
| MTMichael Todd Mcmurray | Portland | — | ◇ UNVERIFIED |
| MSMixer Sheet Metal INC | Portland | — | ◇ UNVERIFIED |
| MEMl & Es Ventures LLC | Wood Village | — | ◇ UNVERIFIED |
| MEMl & Es Ventures LLC | Troutdale | — | ◇ UNVERIFIED |
| NONew Oregon Machine INC | Portland | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | — | ◇ UNVERIFIED |
| NSNorthwest Structural Services INC | Portland | — | ◇ UNVERIFIED |
| NMNu-tech Machining INC | Fairview | — | ◇ UNVERIFIED |
| NINw Iron Works INC | Portland | — | ◇ UNVERIFIED |
| OMOregon Metallurgy LLC | Troutdale | — | ◇ UNVERIFIED |
| ODOverhead Door CORP | Portland | — | ◇ UNVERIFIED |
| PPPeerless Pattern Works INC. | Portland | — | ◇ UNVERIFIED |
| PIPeninsula Iron Works | Portland | — | ◇ UNVERIFIED |
| PCPeterson Cat Rental Store | Portland | — | ◇ UNVERIFIED |
| PTPioneer Tank & Vessel LLC | Portland | — | ◇ UNVERIFIED |
| PRPope Rigging Loft INC | Portland | — | ◇ UNVERIFIED |
| PKPortland Kettle Works LLC | Portland | — | ◇ UNVERIFIED |
| PPPortland Powder Coating INC | Portland | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | Portland | — | ◇ UNVERIFIED |
| PWPortland Waterjet LLC | Portland | — | ◇ UNVERIFIED |
| PEPrecision Electro Coat INC | Portland | — | ◇ UNVERIFIED |
 Precision Fabrication & Welding INC | Portland | — | ◇ UNVERIFIED |
| PMPremier Metal Finishing LLC | Portland | — | ◇ UNVERIFIED |
| RLRcr LLC | Portland | — | ◇ UNVERIFIED |
| RERikar Enterprises | Portland | — | ◇ UNVERIFIED |
| RJR & J Metal Fabricators INC | Portland | — | ◇ UNVERIFIED |
| RORoyal Oak Metal Craft INC | Portland | — | ◇ UNVERIFIED |
| RSR & S Manufacturing INC | Portland | — | ◇ UNVERIFIED |
| RSRusch & Son Metal Fab LLC | Portland | — | ◇ UNVERIFIED |
| RIRusco INC | Portland | — | ◇ UNVERIFIED |
| SPSapa Profiles INC | Portland | — | ◇ UNVERIFIED |
| SRScientific Research CO | Portland | — | ◇ UNVERIFIED |
| SRScientific Research CO | Portland | — | ◇ UNVERIFIED |
| SHSenneca Holdings (hmf Express) | Portland | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection LLC | Portland | — | ◇ UNVERIFIED |
| SCShell Core Specialties INC | Portland | — | ◇ UNVERIFIED |
| SCSofttouch Custom Stocks LLC | Portland | — | ◇ UNVERIFIED |
| SMSpecialty Metal Fabricators LLC | Portland | — | ◇ UNVERIFIED |
| SSSterling Steel Company | Portland | — | ◇ UNVERIFIED |
| SSStreimer Sheet Metal Works INC | Portland | — | ◇ UNVERIFIED |
| SISummit INC | Portland | — | ◇ UNVERIFIED |
| SLSwedge, LLC | Portland | — | ◇ UNVERIFIED |
| TBThe Boeing CO | Portland | — | ◇ UNVERIFIED |
