Hammons Products Company | Stockton | 20–99 | ● ACTIVE |
Western Ready-mix, INC | Wentzville | 20–99 | ● ACTIVE |
Lebanon Ready Mix, INC. | Lebanon | — | ● ACTIVE |
Mo Sci LLC | Rolla | 20–99 | ● ACTIVE |
| AAccu-Glass | Saint Louis | 20–99 | ● ACTIVE |
Leo O'laughlin, INC. | Shelbina | — | ● ACTIVE |
Mississippi Lime Company | Saint Louis | — | ● ACTIVE |
Noble Concrete and Precast, LLC | Lamar | — | ● ACTIVE |
| NGNovum Glass LLC | Rolla | — | ● ACTIVE |
Posie Pots and 3d Prints LLC | Saint Louis | — | ● ACTIVE |
Tateho Ozark Technical Ceramics, INC. | Missouri | — | ● ACTIVE |
| AZAaa Zoellner Materials, INC. | Imperial | 20–99 | ◐ LIKELY ACTIVE |
| BUBuzzi Unicem USA Cape Girardeau | Cape Girardeau | — | ◐ LIKELY ACTIVE |
| CCCentury Concrete | Lees Summit | — | ◐ LIKELY ACTIVE |
| CCContinental Cement Company, LLC | Hannibal | — | ◐ LIKELY ACTIVE |
| JCJoplin Concrete Company | Joplin | 20–99 | ◐ LIKELY ACTIVE |
| KAK and P Precast INC | O Fallon | 20–99 | ◐ LIKELY ACTIVE |
| LNLhoist North America of Missouri Ste. Genevieve | Sainte Genevieve | — | ◐ LIKELY ACTIVE |
Mississippi Lime | Sainte Genevieve | — | ◐ LIKELY ACTIVE |
| PCPittsburgh Corning | Sedalia | — | ◐ LIKELY ACTIVE |
| PIPpg Industries Incorporated Works Number 34 | O Fallon | — | ◐ LIKELY ACTIVE |
| SRSchreiter Ready Mix and Materials INC | O Fallon | 20–99 | ◐ LIKELY ACTIVE |
| SRSemo Ready Mix Inc-cape Girardeau | Jackson | — | ◐ LIKELY ACTIVE |
| THThomas Hill Energy Center - Power Div | Clifton Hill | — | ◐ LIKELY ACTIVE |
| WRWieberg Red-e-mix INC - Meta | Meta | 1–19 | ◐ LIKELY ACTIVE |
| FCFordyce Concrete Co-skiles Road | Kansas City | — | ◐ LIKELY ACTIVE |
| HWHarbison Walker Refractories Company Vandalia Plant | Vandalia | — | ◐ LIKELY ACTIVE |
| 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 |
| RCRiver Cement CO -buzzi Unicem USA - Selma Plant | Festus | — | ◐ LIKELY ACTIVE |
| SCSaint-gobain Containers INC | Pevely | — | ◐ LIKELY ACTIVE |
| SCSugar Creek Cement Plant | Sugar Creek | — | ◐ LIKELY ACTIVE |
| WIWaterloo Industries INC Sedalia | Sedalia | — | ◐ LIKELY ACTIVE |
| WRWhistle Redi-mix Inc-pleasant Hill Site | Pleasant Hill | — | ◐ LIKELY ACTIVE |
| ARAudubon Readymix LLC Dba Quicksilver Readymix | Sugar Creek | — | ◇ UNVERIFIED |
| CCCentral Concrete CO | Columbia | — | ◇ UNVERIFIED |
| CCCole County Industries CO INC | Jefferson City | — | ◇ UNVERIFIED |
| CConco | Springfield | — | ◇ UNVERIFIED |
| FCFischer Concrete Service Inc-fischer Concrete Service INC | Sedalia | — | ◇ UNVERIFIED |
| FCFordyce Concrete CO Inc-63rd Street | Kansas City | — | ◇ UNVERIFIED |
| GRGeiger Ready Mix | Lees Summit | — | ◇ UNVERIFIED |
| GRGeiger Ready Mix Company INC. | Liberty | — | ◇ UNVERIFIED |
| HJH J Enterprise INC | High Ridge | — | ◇ UNVERIFIED |
| LCLafarge Construction Materials | Kansas City | — | ◇ UNVERIFIED |
| MPMidwest Premix - Jefferson City | Jefferson City | — | ◇ UNVERIFIED |
| PCPenny's Concrete, INC. | Kansas City | — | ◇ UNVERIFIED |
| PCPenny's Concrete - Martin City | Kansas City | — | ◇ UNVERIFIED |
| SWStern Williams | Carterville | — | ◇ UNVERIFIED |
| SLSt. Louis Diecasting | Bridgeton | — | ◇ UNVERIFIED |