| BCBurns Concrete INC | Idaho Falls | 20–99 | ● ACTIVE |
| BRB.f. Redi-mix, INC. | Bonners Ferry | 1–19 | ● ACTIVE |
| CCClearwater Concrete, INC. | Cottonwood | — | ● ACTIVE |
Environmental Abrasives Warehouse CO. | Boise | — | ● ACTIVE |
Fusions Glass Studio & Gallery, LLC | Boise | — | ● ACTIVE |
| WRWalters Ready Mix INC | Rexburg | — | ● ACTIVE |
| AMAdvanced Marble and Granite, INC. | Meridian | 20–99 | ● ACTIVE |
| DRDahle's Red-e-mix INC | Salmon | — | ● ACTIVE |
| SSSprout Services LLC | Soda Springs | — | ● ACTIVE |
| IMIcco Middelton | Caldwell | 20–99 | ◐ LIKELY ACTIVE |
| ICInterstate Concrete and Asphalt | Rathdrum | 100–499 | ◐ LIKELY ACTIVE |
| SSSelkirk Stone INC | Sandpoint | 1–19 | ◐ LIKELY ACTIVE |
| LFLucky Friday Mine | Mullan | — | ◐ LIKELY ACTIVE |
| BCBasalite Concrete Products | Meridian | — | ◐ LIKELY ACTIVE |
| CCClements Concrete Joplin Road Facility | Boise | — | ◐ LIKELY ACTIVE |
| ICIdaho Concrete Company | Boise | — | ◐ LIKELY ACTIVE |
| KRKnife River | Nampa | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast | Idaho Falls | — | ◐ LIKELY ACTIVE |
| OBOlive Branch Certified Fabrication, INC. | Chubbuck | 1–19 | ◐ LIKELY ACTIVE |
| SVSun Valley Rug & Tile Company, INC | Hailey | 1–19 | ◐ LIKELY ACTIVE |
| TTTucker Technical Solutions, INC. | Idaho Falls | — | ◐ LIKELY ACTIVE |
| 3L3bw LLC | Challis | — | ◐ LIKELY ACTIVE |
| CMClassic Marble & Granite, INC. | Pocatello | — | ◐ LIKELY ACTIVE |
| CSClassic Stoneworks, LLC | Jerome | — | ◐ LIKELY ACTIVE |
| DRDickson Ready Mix Concrete LLC | Kamiah | — | ◐ LIKELY ACTIVE |
| HCHells Canyon Art Glass INC | Lewiston | — | ◐ LIKELY ACTIVE |
| IGIdaho Granite Works | Naples | — | ◐ LIKELY ACTIVE |
| LHLPDL Holdings LLC | Post Falls | — | ◐ LIKELY ACTIVE |
| LCL&s Concrete and Redi Mix | Plummer | — | ◐ LIKELY ACTIVE |
| MMMemorial Monuments Meridian | Meridian | 20–99 | ◐ LIKELY ACTIVE |
| MTMesa Tile & Stone, INC. | Boise | — | ◐ LIKELY ACTIVE |
| ULUsmg LLC | Boise | — | ◐ LIKELY ACTIVE |
| VRValley Ready Mix, INC. | Idaho Falls | — | ◐ LIKELY ACTIVE |
| WSWalker Sand and Gravel | Bellevue | — | ◐ LIKELY ACTIVE |
| CPCranny Pit | Idaho Falls | — | ◐ LIKELY ACTIVE |
| FSForterra Structural Precast Caldwell | Caldwell | — | ◐ LIKELY ACTIVE |
| IMIdaho Materials and Construction | Eagle | — | ◐ LIKELY ACTIVE |
| ICInterstate Concrete and Asphalt | Sandpoint | — | ◐ LIKELY ACTIVE |
| ICInterstate Concrete & Asphalt Post Falls | Post Falls | — | ◐ LIKELY ACTIVE |
| MRMaddens Ready Mix | Caldwell | — | ◐ LIKELY ACTIVE |
| SCSunroc Corporation Badger Concrete Batch Plant | Boise | — | ◐ LIKELY ACTIVE |
| TFTwin Falls Redi-mix | Twin Falls | — | ◐ LIKELY ACTIVE |
| AGAsh Grove Cement | Inkom | — | ◇ UNVERIFIED |
| CCClearwater Concrete Kooskia Facility | Kamiah | — | ◇ UNVERIFIED |
| CPConcrete Placing CO INC 00099 | Boise | — | ◇ UNVERIFIED |
| GAG and B Redi-mix Nampa | Nampa | — | ◇ UNVERIFIED |
| HTHandy Truck Line INC - Meridian | Meridian | — | ◇ UNVERIFIED |
| HPHelco Portable Concrete Plant (donnelly) 302231 | Donnelly | — | ◇ UNVERIFIED |
| ICIdaho Concrete Company Site | Caldwell | — | ◇ UNVERIFIED |
| ICInterstate Concrete and Asphalt - Coeur Dalene Facility | Coeur Dalene | — | ◇ UNVERIFIED |