| PAPcc Airfoils Deer Creek Annex | Milwaukie | — | ◇ UNVERIFIED |
| CCCalportland Clackamas Ready Mix Plant | Clackamas | — | ◇ UNVERIFIED |
| CSCalportland Sandy Plant | Sandy | — | ◇ UNVERIFIED |
| MCMolalla Concrete | Molalla | — | ◇ UNVERIFIED |
| PIPotters Industries | Canby | — | ◇ UNVERIFIED |
| TCThe Cove Phase 1 | Oregon City | — | ◇ UNVERIFIED |
| CClackamas | Clackamas | 1–19 | ◐ LIKELY ACTIVE |
| EEmpire | Clackamas | 1–19 | ◐ LIKELY ACTIVE |
| OPOregon Portland Criterion | Portland | 20–99 | ◐ LIKELY ACTIVE |
| PIPotters Industries LLC - Canby OR | Canby | 20–99 | ◐ LIKELY ACTIVE |
| POPS Oregon Portland 4500 SE Criterion Court | Portland | 20–99 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Kaletich | Milwaukie | 1–19 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Clackamas | Clackamas | 20–99 | ◐ LIKELY ACTIVE |
| WCWilsonville Concrete Products - Wilsonville, OR | Wilsonville | 20–99 | ◐ LIKELY ACTIVE |
| ACAAA Concrete Pumping, LLC | Portland | — | ◇ UNVERIFIED |
| BDBowen Designs INC | Milwaukie | — | ◇ UNVERIFIED |
| CCCemex Canby Site | Canby | — | ◇ UNVERIFIED |
| CICemex INC | Canby | — | ◇ UNVERIFIED |
| CSCustom Stone Creations LLC | Milwaukie | — | ◇ UNVERIFIED |
| EREstacada Rock Products | Estacada | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Gypsum LLC | Canby | — | ◇ UNVERIFIED |
| JSJb Statuary INC | Canby | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Northwest | Molalla | — | ◇ UNVERIFIED |
| LSLake Shore Concrete CO | Lake Oswego | — | ◇ UNVERIFIED |
| MPMichaels Precast Concrete LLC | Rhododendron | — | ◇ UNVERIFIED |
| MRMolalla Redi-mix & Rock Products INC | Molalla | — | ◇ UNVERIFIED |
| MMMutual Materials Company | Clackamas | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Clackamas | — | ◇ UNVERIFIED |
| OOOregon On-site Concrete INC | Sherwood | — | ◇ UNVERIFIED |
| PGPortland Glass Manufacturing INC | Clackamas | — | ◇ UNVERIFIED |
| PCPrecision Countertops INC | Wilsonville | — | ◇ UNVERIFIED |
| SISuhor Industries INC | Clackamas | — | ◇ UNVERIFIED |
| WCWaite Concrete Products LLC | Canby | — | ◇ UNVERIFIED |
| WIWcp INC | Wilsonville | — | ◇ UNVERIFIED |
| WCWilsonville Concrete Products | Wilsonville | — | ◇ UNVERIFIED |
