| BRBleigh Ready Mix Co-hannibal (b-1) | Hannibal | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-st Louis (plant 6) | St. Louis | — | ◇ UNVERIFIED |
| BMBreckenridge Materials (mcclay) | Festus | — | ◇ UNVERIFIED |
| CCCameron Concrete-cameron | Cameron | — | ◇ UNVERIFIED |
| CCCentaur Concrete Co-chesterfield | Chesterfield | — | ◇ UNVERIFIED |
| CCCentury Concrete INC Belton Facility | Belton | — | ◇ UNVERIFIED |
| CCCeramo CO Inc-jackson | Jackson | — | ◇ UNVERIFIED |
| CBChester Bross Construction CO. | Van Buren | — | ◇ UNVERIFIED |
| CRChillicothe Ready Mix | Chillicothe | — | ◇ UNVERIFIED |
| CCClarkson Construction Co-kansas City (87th Street) | Kansas City | — | ◇ UNVERIFIED |
| CBCon-agg Boone Quarries | Columbia | — | ◇ UNVERIFIED |
| CRConcrete Resources Inc-wentzville | Wentzville | — | ◇ UNVERIFIED |
| CCContinental Cement CO INC | St. Louis | — | ◇ UNVERIFIED |
 Cts Cement Manufacturing Corporation | Mexico | — | ◇ UNVERIFIED |
| DMDelta Marble | Fenton | — | ◇ UNVERIFIED |
| DHDoss & Harper Stone Co., INC. | Houston | — | ◇ UNVERIFIED |
| DCDurakast Concrete Products | Springfield | — | ◇ UNVERIFIED |
| EPEmc Plant 83 Moscow Mills | Moscow Mills | — | ◇ UNVERIFIED |
| EPEmc Plant 93 St. Robert | St. Robert | — | ◇ UNVERIFIED |
| ESEmery Sapp & Sons INC. (port-0634) | Mine La Motte | — | ◇ UNVERIFIED |
| EGEmhart Glass Holding INC | Owensville | — | ◇ UNVERIFIED |
| FCFarmers Concrete CO INC | Jefferson City | — | ◇ UNVERIFIED |
| FCFischer Concrete Dba Warsaw Ready Mix | Warsaw | — | ◇ UNVERIFIED |
| FSFive Star Concrete | Maryland Heights | — | ◇ UNVERIFIED |
| FSFive Star Concrete-five Star Concrete | St. Louis | — | ◇ UNVERIFIED |
| FCFranklin County Concrete | Washington | — | ◇ UNVERIFIED |
| FCFranklin County Concrete - Washington Pl | Washington | — | ◇ UNVERIFIED |
| FWFred Weber - Concrete Plant 4 | Maryland Heights | — | ◇ UNVERIFIED |
| FWFred Weber Inc-highway 21 Project | Hillsboro | — | ◇ UNVERIFIED |
| FWFred Weber Portable Plant #1 | Webster Groves | — | ◇ UNVERIFIED |
| FRFreedom Ready Mix INC | Waynesville | — | ◇ UNVERIFIED |
| GMGalamba Metal Groups | Holts Summit | — | ◇ UNVERIFIED |
| GQGalloway Quarry | Springfield | — | ◇ UNVERIFIED |
| GRGateway Ready Mix Inc-maryland Heights | Maryland Heights | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corporation-georgia Pacific Firedoor Core Plant | Cuba | — | ◇ UNVERIFIED |
| GCGlen-gery CORP | Utica | — | ◇ UNVERIFIED |
| GGreenleaf | Kansas City | — | ◇ UNVERIFIED |
| GRGreen Ready Mix-chillicothe Plant | Chillicothe | — | ◇ UNVERIFIED |
| HRHavin Red E Mix LLC Sullivan Plant | Sullivan | — | ◇ UNVERIFIED |
| HCHerzog Contracting Corporation-herzog Red E Mixed Concrete CO | Saint Joseph | — | ◇ UNVERIFIED |
| HIHolcim (us) Inc-st Louis Terminal | St. Louis | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-canton | Canton | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-kahoka | Kahoka | — | ◇ UNVERIFIED |
| ICIlluminated Coatings INC | Richland | — | ◇ UNVERIFIED |
| IMImperial Marble | North Kansas City | — | ◇ UNVERIFIED |
| ICIndian Creek Sand & Gravel | Sullivan | — | ◇ UNVERIFIED |
| IRIsabella Ready Mix | Isabella | — | ◇ UNVERIFIED |
| JRJaco Ready Mix | Henrietta | — | ◇ UNVERIFIED |
| JKJam Kat | Grandview | — | ◇ UNVERIFIED |
| JIJensen Infrastructure | Troy | — | ◇ UNVERIFIED |
