| 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 |
| ESEco Services Operations Inc - Portland plant | Portland Or | OR | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| ECEugene Chemical | Eugene | OR | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| FIFocus Infusions LLC | Gold Beach | OR | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| FIFolexport Inc | Tualatin | OR | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| HHubbard | Hubbard | OR | Chemical Manufacturing325314 | 1-19 | ◐ LIKELY ACTIVE |
| IPInternational Paper Beaverton Specialty Products | Beaverton | OR | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| JFJ&D Fertilizers, Ltd. | Canby | OR | Chemical Manufacturing325311 | 100-499 | ◐ LIKELY ACTIVE |
| JPJiffy Preforma Portland | Portland | OR | Chemical Manufacturing325314 | 1-19 | ◐ LIKELY ACTIVE |
| KLKronochem La Grande LLC | La Grande | OR | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| LMLinde - Medford (Electronics) | White City | OR | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| MLMoses Lake Industries - ARC | Milwaukie | OR | Chemical Manufacturing325193 | 20-99 | ◐ LIKELY ACTIVE |
| MEM&t Enterprise LLC | Midland | OR | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| MAMycorrhizal Applications | Grant Pass | OR | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| NRNorthern Region La Grande | Island City | OR | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| NRNorthern Region Springfield | Springfield | OR | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| NRNorthern Region Springfield RD Lab | Springfield | OR | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| NPNorthwest Polymers LLC (2) | Aurora | OR | Chemical Manufacturing325991 | 1-19 | ◐ LIKELY ACTIVE |
| NANutrien Ag Solutions, INC. | Salem | OR | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| OLOXARC LLC Bend | Bend | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| OLOxarc LLC Gresham | Portland | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| OLOxarc LLC Hermiston | Hermiston | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| OLOxarc LLC LaGrande | Island City | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| OLOxarc LLC The Dalles | The Dalles | OR | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| PDPatheon Development Services, Inc. | Bend | OR | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| PIPlastech Inc | Corvallis | OR | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| PPPortland Polymers | Milwaukie | OR | Chemical Manufacturing325991 | 1-19 | ◐ LIKELY ACTIVE |
Quest Products, LLC Albany | Albany | OR | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| RRRed Rock Biofuels Holdings INC | Lake Oswego | OR | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| RPReturn Polymers Molalla | Molalla | OR | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| SSSnowy Summit LLC | Bend | OR | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
Thaan, LLC | Portland | OR | Chemical Manufacturing325194 | — | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Independence | Independence | OR | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Oregon Field Station | Gervais | OR | Chemical Manufacturing325314 | 1-19 | ◐ LIKELY ACTIVE |
| TWThe Willamette Valley Company - Site 10 | Eugene | OR | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| TATOK America | Hillsboro | OR | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| TOTrue Organic Products - Boardman Plant | Boardman | OR | Chemical Manufacturing325311 | 1-19 | ◐ LIKELY ACTIVE |
| TTTrue Terpenes | Hillsboro | OR | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| TPTualatin Packaged Gas Plant (2) | Tualatin | OR | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| TBTwist Bioscience Wilsonville | Wilsonville | OR | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| UOUSA OR Woodburn Plant | Woodburn | OR | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| VLValliscor LLC | Corvallis | OR | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| ATAcrylic Technologies INC | Portland | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HLHighland Laboratories INC | Mount Angel | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| OWOregons Wild Harvest INC | Sandy | OR | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AEAbcam - Eugene | Eugene | OR | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| ASAcme Scenic & Display INC | Portland | OR | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ADAgri Diagnostic Manufacturing INC. | Rickreall | OR | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |