| ICInterstate Concrete and Asphalt - Freeman Pit Batch Plant | Post Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JRJerome Redi-mix | Jerome | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnife River Corporation - Mountain West - Cascade | Cascade | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MFMaddens Facility (suncore Construction & Materials) | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMobile Concrete of Idaho | Boise | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMobile Concrete of Idaho 00544 | Meridian | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRvier City Redemix | Salmon | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TCTriple C Concrete | Twin Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BBBasalite - Boise | Meridian | ID | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| CCaldwell-Maddens | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| CRCDA Redi Mix & Precast | Post Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| CICentral Iowa Ready Mix-West Des Moines Plant | West Des Moines | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DPDelaware Plant | Des Moines | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DRDixie River Caldwell Idaho | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| FNFlamingo Nampa Idaho | Nampa | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| FMFLOFORM Mesa | Meridian | ID | Nonmetallic Mineral Product Manufacturing327991 | 100-499 | ◐ LIKELY ACTIVE |
| GBGlaz-tech Boise | Boise | ID | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| GLGreg L Hoskins | Blackfoot | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| IFIdaho Falls Idaho | Idaho Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| IMIdaho Meridian 3540 E Lanark Street | Meridian | ID | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| IKIMC - Ketchum/Bellevue | Bellevue | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| IMIMC- Mountain Home | Mountain Home | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| JBJoplin Boise, Idaho | Boise | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| NRNational Ready Mix - R-118 Idaho Falls | Idaho Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PMPocatello Memorial Monuments | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Thompson | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| SSSoda Springs Ready Mix | Soda Springs | ID | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| TFTwin Falls Ready Mix | Twin Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PRPocatello Ready Mix | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| AGAdvanta Granite & Stone, LLC | Garden City | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| APAmcor Precast | Idaho Falls | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ATArtistic Tile & Granite INC | Meridian | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ASAtlantic Stone | Meridian | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BSBoise Stone, INC. | Boise | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CACasa Antigua, LLC | Rigby | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix 00330 | Idaho | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Site | Coeur D Alene | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCClearwater Concrete, INC. | Kooskia | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
 Consolidated Concrete Joplin Road | Garden City | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCooper Ready Mix 00314 | Salmon | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCornerstone Concrete Services LLC | Boise | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CMCreative Mines LLC | Malad City | ID | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CDCurb Design, LLC | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CECutting Edge Kitchens LLC | Garden City | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DGD&a Glass Company, INC. | Boise | ID | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DWDaulton Woodworks | Moscow | ID | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| DRDixie River Dba Gb Rock Sand & Gravel | Caldwell | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FPFreeman Pit | Post Falls | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HCHeritage Cabinets & Granite | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| IWIcco Wendell | Wendell | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
