| SLSt. Louis Diecasting | Bridgeton | — | ◇ UNVERIFIED |
Champion Precast INC | Troy | — | ◐ LIKELY ACTIVE |
| VMValley Material Company-valley Park | Valley Park | — | ◐ LIKELY ACTIVE |
| MAMid America Precast Inc-fulton | Fulton | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix-gumbo | Chesterfield | — | ◐ LIKELY ACTIVE |
| BCBates County Redi-mix INC - Butler Plant | Butler | — | ◐ LIKELY ACTIVE |
| BDBecton Dickinson & CO Accu-glass | Saint Louis | — | ◐ LIKELY ACTIVE |
| BSBmc Stone Llc-defiance Quarry | Defiance | — | ◐ LIKELY ACTIVE |
| BMBreckenridge Material Company #3 | Chesterfield | — | ◐ LIKELY ACTIVE |
| BPBreckenridge Plant 05 Festus | Festus | — | ◐ LIKELY ACTIVE |
| BMBrophy Monument CO | Nevada | — | ◐ LIKELY ACTIVE |
| BCBuilder's Choice Concrete | Saint Joseph | — | ◐ LIKELY ACTIVE |
| BQBussen Quarries Incorporated | Saint Louis | — | ◐ LIKELY ACTIVE |
| CSCentral Stone Company Ft Belle Quarry Cs31 | Florissant | — | ◐ 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 | Wright City | — | ◐ LIKELY ACTIVE |
| EHEmc - Hannibal 81 (eastern Mo Concrete Llc) | Hannibal | — | ◐ LIKELY ACTIVE |
| EREwing Ready Mix Llc-stockton | Stockton | — | ◐ LIKELY ACTIVE |
| FTFiberlite Technologies INC. | Joplin | — | ◐ LIKELY ACTIVE |
| FCFischer Concrete Services | Trenton | — | ◐ LIKELY ACTIVE |
| FCForterra Concrete Products LLC Dba Rinker Materials | Independence | — | ◐ LIKELY ACTIVE |
| HWHarbison Walker Fulton Light Weight | Fulton | 1–19 | ◐ LIKELY ACTIVE |
| HEHeritage Environmental Svcs LLC | Kansas City | — | ◐ 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 |
| LCL.s. Construction Services (was Licausi) | Independence | — | ◐ LIKELY ACTIVE |
| MMMCIB - Midwest Block | Kansas City | 1–19 | ◐ LIKELY ACTIVE |
| MCMid-missouri Concrete | Montgomery City | — | ◐ LIKELY ACTIVE |
| MBMidwest Block and Brick | Springfield | — | ◐ LIKELY ACTIVE |
| MSMo Sci LLC | Rolla | — | ◐ LIKELY ACTIVE |
| OROzark Ready Mix - Lee's Summit | Lake Lotawana | — | ◐ LIKELY ACTIVE |
| PCPenny's Concrete Higginsville | Higginsville | — | ◐ LIKELY ACTIVE |
| PCPenny's Concrete Plant #41 - Carrollton | Carrollton | — | ◐ LIKELY ACTIVE |
| P8Plant 82 - Bowling Green | Bowling Green | — | ◐ LIKELY ACTIVE |
| PCPlatte County Ready Mix-platte County Ready Mix | Platte City | — | ◐ LIKELY ACTIVE |
| PRPolitte Ready Mix | Potosi | — | ◐ LIKELY ACTIVE |
| PRPolitte Ready Mix - Bonne Terre Site | Bonne Terre | — | ◐ LIKELY ACTIVE |
| PCPrestressed Casting Co-prestressed Casting CO | Springfield | — | ◐ LIKELY ACTIVE |
| RBRaineri Building Materials-eureka | Eureka | — | ◐ LIKELY ACTIVE |
| RMReady Mix Concrete, INC. | Fredericktown | — | ◐ LIKELY ACTIVE |