| DNDyno Nobel, INC. | Philomath | OR | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| ESEco Services | Portland | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| FGFlint Group | Portland | OR | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FGFlint Group Packaging Inks North America Corporation | Portland | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| FIFlorascience INC | Portland | OR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| GRGeorgia-pacific Resins | White City | OR | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| GBGvb Biopharma - Tygh Valley | Tygh Valley | OR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HHempnova | Eugene | OR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| HTHigh Temp | Portland | OR | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HDHome Depot 4010 | Hillsboro | OR | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| IFIcon Foods | Portland | OR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| IPImperial Paint | Portland | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ICInentec Columbia Ridge Gasification Facility | Arlington | OR | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| JCJadco Chemical | Portland | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| KWKag West | Portland | OR | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| KIKoppers Industries Portland Tar Plant | Portland | OR | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| LHLinde Hillsboro | Hillsboro | OR | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MCMetolius Climbing | Bend | OR | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| MFMiles Fiberglass and Composites | Oregon City | OR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MFMiles Fiberglass and Plastics Site | Portland | OR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MHMount Hood Chemical Corporation | Portland | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| NSNorthwest Solvents & Supply, INC. | Eugene | OR | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| OCOregon California Chemical Company | Junction City | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| OMOregon Metallurgical, LLC Dba Ati Albany Operations | Albany | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| OSOregon State Penitentiary | Salem | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| OTOregon Tread Rubber Company | Eugene | OR | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| PLPacific Light Technologies | Portland | OR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PVPella Vinyl Portland Operations | Portland | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| PGPendleton Grain Growers-mckennon Station | Pendleton | OR | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| RORoyal Oak Enterprises Medford Furnace | White City | OR | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| STSarepta Therapeutics | Corvallis | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SBSeran Bioscience LLC | Bend | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SBSeran Bioscience, LLC | Bend | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SSSqg Specialists INC | Salem | OR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SUSumco USA North Campus Site | Salem | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| SSwisher | Bend | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| TITechnical Industrial Sales | Oregon City | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TCTek Chemical Site | Portland | OR | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | Bend | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| TBTwist Bioscience | Wilsonville | OR | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| WMWilbur-ellis Madras | Madras | OR | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| WWWild West Growers | Eugene | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WPWood-kote Products | Portland | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WTWymore Transfer Company | Clackamas | OR | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| 3I3d Infi INC. | Corvallis | OR | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| AEActylis Eugene - Woodruff | Eugene | OR | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| AUArclin USA - Springfield | Springfield | OR | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| COCSH Oregon Site | White City | OR | Chemical Manufacturing325992 | 100-499 | ◐ LIKELY ACTIVE |
| DFDeardorff Fitzsimmons | Drain | OR | Chemical Manufacturing325612 | 1-19 | ◐ LIKELY ACTIVE |
