| MSMurphy Softwood Plywood Plant | Rogue River | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| NDNewood Display Fixture Manufacturing | Eugene | OR | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| NVNordic Veneer, INC. | Roseburg | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| NFNorpac Foods Plant 1 | Stayton | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| NFNorpac Foods Plant 7 | Salem | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| NANorthwest Art Casting | Milton Freewater | OR | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| NPNorthwest Pipe and Casing | Clackamas | OR | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| NINwff INC Dba Nwff Environmental | Philomath | OR | Textile Mills313311 | — | ◇ UNVERIFIED |
| OCObie Construction, INC. | Eugene | OR | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OLOctave Labs LLC | Pleasant Hill | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OLOctave Labs LLC | Springfield | OR | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OSOff Site Storage | Portland | OR | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| OCOglivie Company INC the | Astoria | OR | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OMOld Mill Building Site | Bend | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| OOpti-craft | Portland | OR | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| OVOrchard View Farms Packing House | The Dalles | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| OAOregon Aero | Salem | OR | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| OCOregon California Chemical Company | Junction City | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| OFOregon Freeze Dry, INC. | Albany | OR | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| OFOregon Freeze Dry Plant 1 | Albany | OR | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| OHOregon Health Licensing Office | Salem | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| OMOregon Metallurgical, LLC Dba Ati Albany Operations | Albany | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| OPOregon Plating Co., INC. | Portland | OR | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OSOregon State Penitentiary | Salem | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| OTOregon Tread Rubber Company | Eugene | OR | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| OROutdoors Rv Manufacturing | La Grande | OR | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| OCOwens Corning Foam Insulation Gresham | Portland | OR | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| PGPacific Gate Works INC | Sherwood | OR | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| PLPacific Light Technologies | Portland | OR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PPPacific Power Vac LLC | Portland | OR | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| PSPacific Shrimp East | Newport | OR | Food Manufacturing311710 | — | ◇ UNVERIFIED |
| PSPacific States Plywood Site | Springfield | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| PIPanolam Industries INC | Albany | OR | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| PPParkdale Plant | Parkdale | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PBParks Bronze | Enterprise | OR | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| PMPeerless Manufacturing Site | Portland | OR | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| PVPella Vinyl Portland Operations | Portland | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| POPendleton, Or 1356 | Pendleton | OR | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| PCPepsi Cola Bottling | Portland | OR | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| PPPierce Pacific Manufacturing | Portland | OR | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| PRPioneer Ready Mix | Milton Freewater | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PSPlanar Systems Site | Beaverton | OR | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| PAPlumbing and Mechanical Contractors | Milwaukie | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PIPlymart INC | Boring | OR | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PVPly Veneer | Springfield | OR | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| PWPorter W Yett Company | Portland | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| POPort of St. Helens Creosote Site | St Helens | OR | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| POPort of Toledo Boatyard | Toledo | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| PWPrairie Wood Products and Co-gen Facility | Prairie City | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PPPrecision Prefinishing Site | Eugene | OR | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
