| PMPortland Marble Works INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| POPort of Tillamook Bay Wwspf | Tillamook | OR | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Salem | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| PCPrecision Colored Glass LLP | Portland | OR | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PCPrecision Countertops INC | Wilsonville | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PGPrecision Glassworks INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| PRPrineville Ready Mix LLC | Prineville | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RDR D Mac INC | Island City | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RMR.d. Mac, INC. | Baker City | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCReid Concrete LLC | La Pine | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RHRock Hard Granite Iii LLC | Bend | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RIRoss Island Boise Concrete Plant | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RIRoss Island Hardtack Island Plant | Portland | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| RIRoss Island Sand and Gravel Tait Facility | Portland | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RIRoss Island Sand & Gravel CO | Portland | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SRSk Redfield INC | Sisters | OR | Nonmetallic Mineral Product Manufacturing327122 | — | ◇ UNVERIFIED |
| SCSky Cooper | Eugene | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SISlowfire, Inc. | Portland | OR | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SRSolid Rock Granite LLC | Sisters | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SOSpirit of Glass INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| SCStone Center INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SPSupreme Perlite Company | Portland | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TGThe Glass Forge Gallery & Studio LLC | Grants Pass | OR | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| TPThe Pottery Place LLC | Albany | OR | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| TQTosoh Quartz INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TATrautman Art Glass INC | West Linn | OR | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| TATrautman Art Glass INC | Wilsonville | OR | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| TATri Agg INC | South Beach | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TITri-agg INC | Waldport | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TITri-agg, INC. Dba Newport Ready Mix | South Beach | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TCTriple C Redi-mix | Baker City | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TSTroutdale Sand and Gravel Company | Troutdale | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| URUmatilla Ready Mix | Pendleton | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| USUmpqua Stone Fabrication, LLC | Roseburg | OR | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| UGUroboros Glass Studios | Portland | OR | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| UCUSA Concrete LLC | La Grande | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VWVerheyden Works INC | Prineville | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VWVerheyden Works INC | Bend | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VFVesuvian Forge LLC | Mcminnville | OR | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VIVickilane INC | Springfield | OR | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| VRViesko Redi-mix INC | Woodburn | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VRViking Redi-mix | Florence | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VSVitrified Studio LLC | Portland | OR | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| WCWaite Concrete Products LLC | Canby | OR | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| WIWcp INC | Salem | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WIWcp INC | Wilsonville | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WCWeddle Concrete | Jefferson | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WAWestern Abrasives INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| WGWillamette Graystone LLC | Albany | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Springfield, Or Tank | Springfield | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
