| FCForterra Concrete Products - Helena | Helena | MT | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HSHelena Sand & Gravel Dba Montana Materials & Const | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KRKnoll's Ready Mix | Glendive | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MMMagnus Marble and Granite INC | Clinton | MT | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| MLMineralholics, LLC | Polson | MT | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◇ UNVERIFIED |
| TFThe Fagenstrom CO | Great Falls | MT | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◇ UNVERIFIED |
| 1E12 E's Yard Enhancement Service LLC | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCB C Concrete | Missoula | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EAEJ and K Holdings LLC | Kalispell | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GWGraymont Western U.s. INC. Indian Creek | Townsend | MT | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| JGJtl Group INC. | Belgrade | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KSK2 Stone (montana) LLC | Kalispell | MT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MCMarsich Crane, INC | Billings | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MVMission Valley Concrete | Pablo | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MRMissoula Ready Mix | Missoula | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PAP & A Properties LLC | Helena | MT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PRPolson Ready Mix | Polson | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PMPrecast Mockel & Excavation, CO. | Helena | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RLR. L. Schaff Concrete Construction, INC. | Shepherd | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SAS and N Concrete | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| THThe Honeypot | Dillon | MT | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| TMTreasure Mine | Dillon | MT | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| UMU.s. Minerals INC | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
