| PWPDXP Willamette Graystone | Wood Village | 20–99 | ◐ LIKELY ACTIVE |
| PQPDX Quikrete | NE Aurora | 20–99 | ◐ LIKELY ACTIVE |
| PCPortland Cement Terminal | Bend | 1–19 | ◐ LIKELY ACTIVE |
| PIPotters Industries LLC - Canby OR | Canby | 20–99 | ◐ LIKELY ACTIVE |
| POPS Oregon Portland 2801 NE Riverside Way | Portland | 1–19 | ◐ LIKELY ACTIVE |
| POPS Oregon Portland 4500 SE Criterion Court | Portland | 20–99 | ◐ LIKELY ACTIVE |
| RCResource Center Portland | Portland | 20–99 | ◐ LIKELY ACTIVE |
| RWRGBD Willaette Graystone | Roseburg | 1–19 | ◐ LIKELY ACTIVE |
| RMRiverBend Materials | Salem | 100–499 | ◐ LIKELY ACTIVE |
| SScappoose | Scappoose | 1–19 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Kaletich | Milwaukie | 1–19 | ◐ LIKELY ACTIVE |
| SRSwift River | Rickreall | 1–19 | ◐ LIKELY ACTIVE |
| TTroutdale | Troutdale | 1–19 | ◐ LIKELY ACTIVE |
| UGUS Gypsum Rainier | Rainier | 100–499 | ◐ LIKELY ACTIVE |
| WRWavelength References Incorporated | Corvallis | — | ▲ REPORTED CLOSED |
| WCWhite City | White City | 100–499 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Clackamas | Clackamas | 20–99 | ◐ LIKELY ACTIVE |
| WCWilsonville Concrete Products - Beaverton, OR | Beaverton | 1–19 | ◐ LIKELY ACTIVE |
| WCWilsonville Concrete Products - Carver, OR | Carver | 1–19 | ◐ LIKELY ACTIVE |
| WCWilsonville Concrete Products - Salem, OR | Salem | 20–99 | ◐ LIKELY ACTIVE |
| WCWilsonville Concrete Products - Wilsonville, OR | Wilsonville | 20–99 | ◐ LIKELY ACTIVE |
| KIK.d.a. INC. | Warrenton | — | ◇ UNVERIFIED |
| ACAAA Concrete Pumping, LLC | Portland | — | ◇ UNVERIFIED |
| ALAdn LLC | Beaverton | — | ◇ UNVERIFIED |
| APAdvantage Precast INC | Keizer | — | ◇ UNVERIFIED |
| ARAmerican Rock Products | Hermiston | — | ◇ UNVERIFIED |
| ACArchitectural Castings INC | Portland | — | ◇ UNVERIFIED |
| AGAsh Grove Cement Company-durkee | Durkee | — | ◇ UNVERIFIED |
| BCBandon Concrete and Development | Bandon | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products Site | Portland | — | ◇ UNVERIFIED |
| BCBedrock Commercial Concrete Cutting, LLC | Portland | — | ◇ UNVERIFIED |
| BSBlue Spruce Pottery INC | Bend | — | ◇ UNVERIFIED |
| BDBowen Designs INC | Milwaukie | — | ◇ UNVERIFIED |
| BIBronleewe INC | Hillsboro | — | ◇ UNVERIFIED |
| CMCadman Materials Boardman | Boardman | — | ◇ UNVERIFIED |
| CMCalportland Mcminnville Ready Mix Plant | Mcminnville | — | ◇ UNVERIFIED |
| CNCalportland Newberg Ready Mix Plant | Newberg | — | ◇ UNVERIFIED |
| CFCascadian Fabrications INC | Portland | — | ◇ UNVERIFIED |
| CCC C Meisel CO INC | Newport | — | ◇ UNVERIFIED |
| CPCement Products Manufacturing CO | Redmond | — | ◇ UNVERIFIED |
| CCCemex Canby Site | Canby | — | ◇ UNVERIFIED |
| CICemex INC | Canby | — | ◇ UNVERIFIED |
| CMCentral Materials, LLC | Central Point | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Hermiston | Hermiston | — | ◇ UNVERIFIED |
| CHChris Hurley | Medford | — | ◇ UNVERIFIED |
| CIClay in Motion INC | Milton Freewater | — | ◇ UNVERIFIED |
| CCClearwater Concrete INC | Ontario | — | ◇ UNVERIFIED |
| CBConcrete Buildings Tech INC | Grants Pass | — | ◇ UNVERIFIED |
| CSConrad Stonecutting INC | Portland | — | ◇ UNVERIFIED |
| CGCornerstone Glass INC | Eugene | — | ◇ UNVERIFIED |