| HUHolcim US INC - Ste. Genevieve Plant | Bloomsdale | — | ◐ LIKELY ACTIVE |
| ISInternational Speciality Products Inc-isp Mineral Products | Annapolis | — | ◐ LIKELY ACTIVE |
| LCLafarge Construction Materials-kansas City - Prairie View Road | Kansas City | — | ◐ LIKELY ACTIVE |
| MCMcdonald CO INC | Cape Girardeau | 1–19 | ◐ LIKELY ACTIVE |
| MPMidwest Premix - Jefferson City | Jefferson City | — | ◐ LIKELY ACTIVE |
Mississippi Lime | Sainte Genevieve | — | ◐ LIKELY ACTIVE |
| OBOzark Building Materials, LLC Plant 1 | St. Louis | 20–99 | ◐ LIKELY ACTIVE |
| PCPenny's Concrete, INC. | Kansas City | — | ◐ LIKELY ACTIVE |
| PCPenny's Concrete - Martin City | Kansas City | — | ◐ LIKELY ACTIVE |
| PIPpg Industries Incorporated Works Number 34 | Ofallon | — | ◐ LIKELY ACTIVE |
| RCRiver Cement CO. Dba Buzzi Unicem USA Selma Plant | Festus | — | ◐ LIKELY ACTIVE |
| SCSaint-gobain Containers INC | Pevely | — | ◐ LIKELY ACTIVE |
| SWStern Williams | Carterville | — | ◐ LIKELY ACTIVE |
| SLSt. Louis Diecasting | Bridgeton | — | ◐ LIKELY ACTIVE |
| WIWaterloo Industries INC Sedalia | Sedalia | — | ◐ LIKELY ACTIVE |
| LCLafarge Construction Materials | Kansas City | — | ◇ UNVERIFIED |
| EGE&B Granite, INC | Saint Louis | 20–99 | ◐ LIKELY ACTIVE |
| EME & M Ready Mix and Precast | Gower | 1–19 | ◐ LIKELY ACTIVE |
| MAMid America Precast Inc-fulton | Fulton | — | ◐ LIKELY ACTIVE |
| MSMo Sci LLC | Rolla | 20–99 | ◐ LIKELY ACTIVE |
| TTTateho Technical Ceramics, Inc | Webb City | 20–99 | ◐ LIKELY ACTIVE |
| ARArnold Ready-mix Corporation | Imperial | 20–99 | ◐ LIKELY ACTIVE |
| BCBarbour Concrete Company | Independence | 20–99 | ◇ UNVERIFIED |
| BOBreckenridge of Rolla, Concrete Plant Ii | Rolla | 1–19 | ◇ UNVERIFIED |
| KCKasten Clay Products Co-jackson | Jackson | 1–19 | ◇ UNVERIFIED |
| NRNorthland Ready Mix INC | Pleasant Valley | 20–99 | ◇ UNVERIFIED |
| PPerformaglass | Fordland | 1–19 | ◇ UNVERIFIED |
| PGPremier Glass USA LLC | Park Hills | — | ◇ UNVERIFIED |
| RBRaineri Building Materials-raineri Building Materials | St. Louis | 20–99 | ◇ UNVERIFIED |
| TBThompson Bros. Ready-mix Concrete | Brookfield | 1–19 | ◇ UNVERIFIED |
| ARAmerican Ready Mix-gumbo | Chesterfield | — | ◐ LIKELY ACTIVE |
| BMBreckenridge Material Company #3 | Chesterfield | — | ◐ LIKELY ACTIVE |
| BMBrophy Monument CO | Nevada | — | ◐ LIKELY ACTIVE |
| BQBussen Quarries Incorporated | St. Louis | — | ◐ LIKELY ACTIVE |
| CRChampion Ready Mix | Troy | — | ◐ LIKELY ACTIVE |
| CWCity Wide Ready Mix Billings | Billings | — | ◐ LIKELY ACTIVE |
| CRColt Rock and Lime LLC | Scott City | — | ◐ LIKELY ACTIVE |
| CCConcrete CO of the Ozarks | Branson | — | ◐ LIKELY ACTIVE |
| CSCoreslab Structures | Marshall | 100–499 | ◐ LIKELY ACTIVE |
| DRDavis Redi Mix LLC | Elsberry | — | ◐ LIKELY ACTIVE |
| EMEastern Missouri Concrete LLC | Saint Louis | 20–99 | ◐ LIKELY ACTIVE |
| EREwing Ready Mix Llc-stockton | Stockton | — | ◐ LIKELY ACTIVE |
| HWHarbison Walker Fulton Light Weight | Fulton | 1–19 | ◐ LIKELY ACTIVE |
| HLHermann Lumber Company Ready Mix | Hermann | — | ◐ LIKELY ACTIVE |
| HUHolcim US INC - Clarksville Plant | Clarksville | — | ◐ LIKELY ACTIVE |
| KRKennon Ready-mix Concrete Company | El Dorado Springs | — | ◐ LIKELY ACTIVE |
| KBKirchner Block and Brick Bridgeton | Bridgeton | — | ◐ LIKELY ACTIVE |
| LRLincoln Ready-mix Concrete | Lincoln | — | ◐ LIKELY ACTIVE |
| LSLone Star Industries | Saint Louis | — | ◐ LIKELY ACTIVE |
| LWLone Wolf Enterprises-harrisonville | Harrisonville | — | ◐ LIKELY ACTIVE |