| NINw Iron Works INC | Portland | OR | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| OTOasis Tissue LLC | Portland | OR | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| OBOccidential Brewing CO LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| OTOff the Wall Magnetics LLC | Portland | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OSOh Sweet Java LLC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| OIOmark Industries Inc- Portland | Portland | OR | Fabricated Metal Product Manufacturing332213 | — | ◇ UNVERIFIED |
| OMOm Machine & Tool LLC | Portland | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| OSOneTech Solutions LLC | Portland | OR | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| OIOpconnect INC | Portland | OR | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| OBOregon Bark | Portland | OR | Food Manufacturing311352 | — | ◇ UNVERIFIED |
| OCOregon Crystal Technologies | Portland | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| OHOregon Harvest LLC | Portland | OR | Food Manufacturing311941 | — | ◇ UNVERIFIED |
| OCOrigami Catering LLC | Portland | OR | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| OTOta Tofu LLC | Portland | OR | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| OSOttos Sausage Kitchen INC | Portland | OR | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| ODOverhead Door CORP | Portland | OR | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| OVOverland Van Project LLC | Portland | OR | Transportation Equipment Manufacturing336213 | — | ◇ UNVERIFIED |
| PBPacifica Beauty LLC | Portland | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PAPacific Architectural Wood Products | Portland | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| PFPacific Foam LLC | Portland | OR | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| PGPacific Green Innovations INC | Portland | OR | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| PPPacific Power Vac - Portland Facility | Portland | OR | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| PSPacific Stone Installers LLC | Portland | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PRPackaging Resources Site | Portland | OR | Plastics and Rubber Products Manufacturing326100 | — | ◇ UNVERIFIED |
| PJPatrick James Finerty | Portland | OR | Furniture and Related Product Manufacturing337910 | — | ◇ UNVERIFIED |
| PJPatrick James Finerty | Portland | OR | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| PNPattern Ninja LLC | Portland | OR | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| PJPaul J Morin LLC | Portland | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PWPbk Woodworking INC | Portland | OR | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
 Pcc Structurals INC Lsbs Iii | Portland | OR | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| PFP-dinh Finishing & Bindery LLC | Portland | OR | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| PPPeerless Pattern Works INC. | Portland | OR | Fabricated Metal Product Manufacturing332997 | — | ◇ UNVERIFIED |
| PIPeninsula Iron Works | Portland | OR | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| PIPeninsula Iron Works | Portland | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PDPeter Day | Portland | OR | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PCPeterson Cat Rental Store | Portland | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PSPhiladelphia Sign CO | Portland | OR | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| PEPhoenix Explorations INC | Portland | OR | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PAPike Awning CO | Portland | OR | Textile Product Mills314912 | — | ◇ UNVERIFIED |
| PTPioneer Tank & Vessel LLC | Portland | OR | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| PTPioneer Tank & Vessel LLC | Portland | OR | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| PPPix Patisserie INC | Portland | OR | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| PDPlum Deluxe LLC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| PFPoly Flow LLC | Portland | OR | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| PRPope Rigging Loft INC | Portland | OR | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| PBPortland Bindery INC | Portland | OR | Printing and Related Support Activities323121 | — | ◇ UNVERIFIED |
| PFPortland Foundry INC | Portland | OR | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| PKPortland Kettle Works LLC | Portland | OR | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| PMPortland Marble Works INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PPPortland Pedals INC | Portland | OR | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
