| NPNotus Pit | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Nampa | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ONOldcastle Nampa Madison | Nampa | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OBOlive Branch Certified Fabrication, INC. | Chubbuck | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PUPanels Usa, INC. | Kellogg | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PCPeterson Custom Marble, LLC | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PWP W Feenstra 00580 | Boise | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RHRock Hard Granite, LLC | Boise | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| RTRocky Tops, LLC | Kimberly | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SCSather Construction, LLC | Boise | ID | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| SSSelkirk Stone INC | Sandpoint | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPStaker Parson Dba Idaho Materials and Construction 00633 | Nampa | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSunroc Corporation | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSunroc Corporation | Boise | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSSunroc Site | Garden City | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SVSun Valley Rug & Tile Company, INC | Hailey | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SGSuperior Granite of Idaho | Garden City | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TDThree D Stoneworks | Pollock | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TVTreasure Valley Granite, INC. | Garden City | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TFTwin Falls Redi-mix | Twin Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ULUsmg LLC | Boise | ID | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| VRValley Ready Mix, INC. | Idaho Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WSWalker Sand and Gravel | Bellevue | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
