| TFThermo Fluids, INC. - Clackamas | Clackamas | — | ◇ UNVERIFIED |
| TFThermo Fluids INC. White City | White City | — | ◇ UNVERIFIED |
| TFThermo Fluids Portland | Portland | — | ◇ UNVERIFIED |
| WPWastech Processing and Recovery Center | Portland | — | ◇ UNVERIFIED |
| ZMZidell Marine Corporation | Portland | — | ◇ UNVERIFIED |
| DCDownstream & Chemicals - Portland, OR Lubricants Plant | Portland | 20–99 | ◐ LIKELY ACTIVE |
| ESEd Staub and Sons Petroleum, INC. | Klamath Falls | — | ◐ LIKELY ACTIVE |
| EEugene | Eugene | 1–19 | ◐ LIKELY ACTIVE |
| HIHamptons INC | La Grande | — | ◐ LIKELY ACTIVE |
| MOMayfield Oil Incorporated | Grants Pass | — | ◐ LIKELY ACTIVE |
| OCOwens Corning Linnton Asphalt Planrt | Portland | 20–99 | ◐ LIKELY ACTIVE |
| PFPayne's Fire Service | Eugene | — | ◐ LIKELY ACTIVE |
| PPortland | Portland | 1–19 | ◐ LIKELY ACTIVE |
| PLPortland Lubricants | Portland | 1–19 | ◐ LIKELY ACTIVE |
| PRPortland Refinery | Portland | 20–99 | ◐ LIKELY ACTIVE |
| COCarson Oil Portland | Portland | — | ◇ UNVERIFIED |
| CCCentral Coast Ready Mix | Lincoln City | — | ◇ UNVERIFIED |
| CACpi Acquisition, LLC | Murphy | — | ◇ UNVERIFIED |
| CDCpm Development Shady Pine Pit | Klamath Falls | — | ◇ UNVERIFIED |
| CACustom Asphalt Products Corporation | Portland | — | ◇ UNVERIFIED |
| DCDan's Corporations 2016 LLC | Troutdale | — | ◇ UNVERIFIED |
| DRDeschutes Ready Mix Madras | Madras | — | ◇ UNVERIFIED |
| EPExxonmobil Portland Regional Distribution Center | Portland | — | ◇ UNVERIFIED |
| GCGranite Construction | Hermiston | — | ◇ UNVERIFIED |
| HMHerbert Malarkey Roofing Company | Portland | — | ◇ UNVERIFIED |
| HAHumbert Asphalt | Milton Freewater | — | ◇ UNVERIFIED |
| KIKda INC | Warrenton | — | ◇ UNVERIFIED |
| KPKlamath Pacific Flowers Pit | Klamath Falls | — | ◇ UNVERIFIED |
| LILakeside Industries, INC. | Portland | — | ◇ UNVERIFIED |
| LILtm Incorporated | North Bend | — | ◇ UNVERIFIED |
| LILtm, Incorporated | Roseburg | — | ◇ UNVERIFIED |
| MRMalarkey Roofing Company | Portland | — | ◇ UNVERIFIED |
| MBMorse Bros., INC. | Tangent | — | ◇ UNVERIFIED |
| MHMt Hood Asphalt Products INC | Brightwood | — | ◇ UNVERIFIED |
| RGRed Giant Oil Company LLC | Portland | — | ◇ UNVERIFIED |
| RDRoad & Driveway CO. | Newport | — | ◇ UNVERIFIED |
| RARogue Aggregates | White City | — | ◇ UNVERIFIED |
| RIRoss Island Sand & Gravel CO | Portland | — | ◇ UNVERIFIED |
| SSScappoose Sand and Gravel CO | Scappoose | — | ◇ UNVERIFIED |
| UPUS Postal Service | Portland | — | ◇ UNVERIFIED |
| VPValley Paving & Asphalt, INC. | Ontario | — | ◇ UNVERIFIED |
| WCWallowa County Road Dept. | Enterprise | — | ◇ UNVERIFIED |
 Western Emulsions INC | White City | — | ◇ UNVERIFIED |
| WCWildish Construction | Eugene | — | ◇ UNVERIFIED |
