| NENova Electronic Material | Albany | — | ◇ UNVERIFIED |
| NSNurnberg Scientific | Tualatin | — | ◇ UNVERIFIED |
| NMNu-tech Machining INC | Fairview | — | ◇ UNVERIFIED |
| NINW4S, Inc | Tualatin | — | ◇ UNVERIFIED |
| NGNw Green Panels LLC | Bend | — | ◇ UNVERIFIED |
| NINw Iron Works INC | Portland | — | ◇ UNVERIFIED |
| OSOak Street Tank & Steel INC | Ashland | — | ◇ UNVERIFIED |
| OTOlympus Technologies Incorporated | Eugene | — | ◇ UNVERIFIED |
| OIOmark Industries Inc- Portland | Portland | — | ◇ UNVERIFIED |
| OMOm Machine & Tool LLC | Portland | — | ◇ UNVERIFIED |
| OIOregon Industrial Repair INC | Salem | — | ◇ UNVERIFIED |
| OMOregon Machine Works, INC. | Canby | — | ◇ UNVERIFIED |
| OMOregon Metallurgy LLC | Troutdale | — | ◇ UNVERIFIED |
| OPOregon Pacific Structural Fabrication, LLC | Mulino | — | ◇ UNVERIFIED |
| OPOregon Precision Manufacturing INC | Sherwood | — | ◇ UNVERIFIED |
| OVOregon Valley Greenhouses INC | Aurora | — | ◇ UNVERIFIED |
| OPOutlaw Powder Coating & Fabrication LLC | Central Point | — | ◇ UNVERIFIED |
| ODOverhead Door CORP | Portland | — | ◇ UNVERIFIED |
| OIOverna INC | Lebanon | — | ◇ UNVERIFIED |
| PFPacific Fiberglass INC | Salem | — | ◇ UNVERIFIED |
| PMPacific Metal Fab LLC | Eugene | — | ◇ UNVERIFIED |
| PMPacific Metal Works INC | Beaverton | — | ◇ UNVERIFIED |
| PBPac-nor Barreling INC | Brookings | — | ◇ UNVERIFIED |
| PMParrotts Metal INC | Merlin | — | ◇ UNVERIFIED |
| PNPattern Ninja LLC | Portland | — | ◇ UNVERIFIED |
| PHPaul H Berekoff | Silverton | — | ◇ UNVERIFIED |
| PFPeco Fasteners Company | Canby | — | ◇ UNVERIFIED |
| PPPeerless Pattern Works INC. | Portland | — | ◇ UNVERIFIED |
| PIPeninsula Iron Works | Portland | — | ◇ UNVERIFIED |
| PIPerformance Insulation and Energy | Bend | — | ◇ UNVERIFIED |
| PBPesznecker Brothers | Clackamas | — | ◇ UNVERIFIED |
| PCPeterson Cat Rental Store | Portland | — | ◇ UNVERIFIED |
| PBPettinger Bros INC | Harbor | — | ◇ UNVERIFIED |
| PEPhoenix Explorations INC | Portland | — | ◇ UNVERIFIED |
| PMPinnacle Metal Works, LLC | Oregon City | — | ◇ UNVERIFIED |
| PTPioneer Tank & Vessel LLC | Portland | — | ◇ UNVERIFIED |
| PTPioneer Tank & Vessel LLC | Portland | — | ◇ UNVERIFIED |
| PFPonderosa Forge & Iron Works INC | Sisters | — | ◇ UNVERIFIED |
| PRPope Rigging Loft INC | Portland | — | ◇ UNVERIFIED |
| PKPortland Kettle Works LLC | Portland | — | ◇ UNVERIFIED |
| PPPortland Powder Coating INC | Portland | — | ◇ UNVERIFIED |
| PPPortland Precision Manufacturing Co. | Oregon City | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | Tigard | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | Portland | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | — | — | ◇ UNVERIFIED |
| PSPortland Sheet Metal Works INC | — | — | ◇ UNVERIFIED |
| PWPortland Waterjet LLC | Portland | — | ◇ UNVERIFIED |
| PCPowder Coating & Automotive Specialties | Tangent | — | ◇ UNVERIFIED |
| PTPowder Tech INC | Eugene | — | ◇ UNVERIFIED |
| PSPraxair Surface Technologies INC | Lake Oswego | — | ◇ UNVERIFIED |
