| AGAsh Grove Cement Company | Portland | OR | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Troutdale Ready-mix Plant | Troutdale | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Corporation Northwest | Bend | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Hillsboro Concrete Plant | Hillsboro | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MMMutual Materials Manufacturing Facility | Gresham | OR | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PAPcc Airfoils Deer Creek Annex | Milwaukie | OR | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PAPratt and Larson Tile | Portland | OR | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
 United States Gypsum Company | Rainier | OR | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| ADAci Distribution | Tualatin | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| AAllura | White City | OR | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| AWArmstrong World Industries | Saint Helens | OR | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| AGAsh Grove Cement Company | Portland | OR | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| CCCalportland Clackamas Ready Mix Plant | Clackamas | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCalportland Sandy Plant | Sandy | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICardinal Ig Company | Hood River | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CPCemex Portland Aggregates Plant | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCemex Port of Portland Readi Mix | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Premix Concrete Products | Portland | OR | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| CWCoast Wide Ready Mix | Tillamook | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CWCoast Wide Ready Mix CO. | Tillamook | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CLCornerstone - Lakeview Process Site | Lakeview | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CDCpm Development | Independence | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FAFujimi America INC | Tualatin | OR | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| FCFujimi CORP | Wilsonville | OR | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Front Ave Ready-mix Plant | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Hillsboro Ready-mix Plant | Hillsboro | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GAGreen and White Rock Products | Corvallis | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HPHanson Pipe and Precast Site | Portland | OR | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HAHollingsworth and Vose Company | Corvallis | OR | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| HRHood River Sand and Gravel | Hood River | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HRHood River Sand, Gravel & Ready Mix - the Dalles | The Dalles | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Corvallis | Corvallis | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Materials | Coos Bay | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMcminnville Concrete | Mcminnville | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMolalla Concrete | Molalla | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NRNorthwest Ready Mix, INC. | Astoria | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PIPotters Industries | Canby | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| RRRiverside Ready Mix, INC. | Grants Pass | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TCThe Cove Phase 1 | Oregon City | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TQThe Quikrete Companies, LLC | Aurora | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TBTidewater Bar | Brookings | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| URUmatilla Ready Mix Hermiston Plant | Hermiston | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WCWheatland Concrete | Gervais | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WGWillamette Graystone | Wood Village | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Eugene, Or Block Plant | Eugene | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Wood Village, Or Paver Plan | Troutdale | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| WRWindsor Rock Products | Salem | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ZAZampell Advanced Refractory Technologies | Tualatin | OR | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| KIK.d.a. INC. | Warrenton | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAAA Concrete Pumping, LLC | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
