| CPCentral Paving | Boise | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete and Asphalt Sandpoint | Sandpoint | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt Cda | Coeur D'alene | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt Wyoming | Rathdrum | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JMJk Merrill and Sons Tank Farm Rd | Pocatello | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MCMickelsen Construction-asphalt Sales | Pocatello | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| NPNampa Paving and Asphalt | Nampa | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PAPoe Asphalt Paving | Grangeville | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PAPoe Asphalt Paving 00057 | Idaho | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DPDixie Pit | Caldwell | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DRDixie River Dba River Rock Sand & Gravel 00586 | Nampa | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GPGencor Portable Hot Plant 301921 | Rexburg | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| IMIdaho Materials and Construction | Boise | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ISIdaho Sand and Gravel | Jerome | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ITImc Ten Lane | Nampa | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete and Asphalt Hayden | Hayden | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterstate Concrete & Asphalt Hayden | Hayden | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KRKnife River Haman | Rathdrum | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| NSNorthwest Sand and Gravel 00420 | Twin Falls | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SCSuncore Construction & Materials 00552 | Idaho Falls | ID | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
