| FPForrest Paint CO. | Eugene | 20–99 | ● ACTIVE |
| OSOregon Steel Mills LLC | Portland | — | ● ACTIVE |
Oil Re-refining Company INC. | Portland | — | ● ACTIVE |
Chevron U.s.a. INC. | Portland | — | ● ACTIVE |
Enviroad LLC | Portland | — | ● ACTIVE |
Pnw Lubricants LLC | Estacada | — | ● ACTIVE |
| OCOwens Corning Portland Roofing Plant | Portland | 100–499 | ◐ LIKELY ACTIVE |
| CSCascade Steel Rolling Mills | Mcminnville | — | ◐ LIKELY ACTIVE |
| CPChevron Products CO Willbridge | Portland | — | ◐ LIKELY ACTIVE |
| SOSouthern Oregon Ready Mix | Central Point | 1–19 | ◐ LIKELY ACTIVE |
| OIOldcastle Infrastructure | Wilsonville | — | ◐ LIKELY ACTIVE |
| OTOwens-corning Trumbull Asphalt Linnton Plant | Portland | — | ◐ LIKELY ACTIVE |
| P6Phillips 66 Pipeline Portland Terminal & Lubricants | Portland | — | ◐ LIKELY ACTIVE |
| CCertainteed | Portland | — | ◇ UNVERIFIED |
| EHEvraz Heat Treating | Portland | — | ◇ UNVERIFIED |
| KRKnife River Materials Hamrick | Central Point | — | ◇ UNVERIFIED |
| KRKnife River Materials Roseburg | Roseburg | — | ◇ UNVERIFIED |
| KRKnife River Portland | Sherwood | — | ◇ UNVERIFIED |
Knife River Prestress | Harrisburg | — | ◇ UNVERIFIED |
| KRKnife River Reed Sand and Gravel | Salem | — | ◇ UNVERIFIED |
| KRKnife River Sundial Concrete | Troutdale | — | ◇ UNVERIFIED |
| LRLaskey-clifton Rock Products | Coos Bay | — | ◇ UNVERIFIED |
| MRMalarkey Roofing Products | Portland | — | ◇ UNVERIFIED |
| RBRiver Bend Sand and Gravel CO | Salem | — | ◇ UNVERIFIED |
| TLTarr, LLC | Portland | — | ◇ UNVERIFIED |
| MIMedford International Holdings | Medford | 1–19 | ◐ LIKELY ACTIVE |
| MOMerit Oil Fuel Processors | Portland | — | ◐ LIKELY ACTIVE |
| PSPennzoil-quaker State CO Dba Sopus Products-portland | Portland | — | ◐ LIKELY ACTIVE |
| SPSeaport Portland Terminal | Portland | — | ◐ LIKELY ACTIVE |
| ZEZenith Energy Terminals Holdings LLC - Portland Terminal | Portland | — | ◐ LIKELY ACTIVE |
| GDGreen Diamond Sand Products Mine | Riddle | — | ◐ LIKELY ACTIVE |
| PRPendleton Ready Mix Plant | Pendleton | — | ◐ LIKELY ACTIVE |
| BTBayview Transit Mix | Gearhart | — | ◇ UNVERIFIED |
| COChristenson Oil | Portland | — | ◇ UNVERIFIED |
| EREcolube Recovery | Portland | — | ◇ UNVERIFIED |
| ESEugene Sand and Gravel | Eugene | — | ◇ UNVERIFIED |
| FSFarwest Steel Corporation | Eugene | — | ◇ UNVERIFIED |
| JUJw Underground Enterprises | Gresham | — | ◇ UNVERIFIED |
| KPKlamath Pacific Edison Plant | Klamath Falls | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Dayton | — | ◇ UNVERIFIED |
| KRKnife River Eugene Ready-mix | Eugene | — | ◇ UNVERIFIED |
| KRKnife River Farmington Asphalt | Beaverton | — | ◇ UNVERIFIED |
| KRKnife River Kirtland Pit | Central Point | — | ◇ UNVERIFIED |
| KRKnife River Materials | Klamath Falls | — | ◇ UNVERIFIED |
| KRKnife River Redmond Asphalt | Redmond | — | ◇ UNVERIFIED |
| LILakeside Industries INC | Portland | — | ◇ UNVERIFIED |
| PRPioneer Ready Mix | Milton Freewater | — | ◇ UNVERIFIED |
| PWPorter W Yett Company | Portland | — | ◇ UNVERIFIED |
| RMRiverbend Materials | Eugene | — | ◇ UNVERIFIED |
| SESpencer Environmental | Portland | — | ◇ UNVERIFIED |