| PCPike County Concrete | Louisiana | — | ◇ UNVERIFIED |
| P6Plant 65 Ava | Ava | — | ◇ UNVERIFIED |
| PRPolitte Ready Mix - Van Buren | Van Buren | — | ◇ UNVERIFIED |
| PCProgressive Contractors, INC. | Poplar Bluff | — | ◇ UNVERIFIED |
| RMReady Mix Concrete Inc-ste Genevieve Plant | Ste. Genevieve | — | ◇ UNVERIFIED |
| RBRed Bird Pre-mix Company-bridgeton | Bridgeton | — | ◇ UNVERIFIED |
| RRRiley Ready Mix & Materials Inc-riley Ready Mix & Materials INC | St. Louis | — | ◇ UNVERIFIED |
| RQRuprecht Quarry-paule Rd | St. Louis | — | ◇ UNVERIFIED |
| SCSandidge Concrete - Jefferson City | Jefferson City | — | ◇ UNVERIFIED |
| SCScott's Concrete Camdenton | Camdenton | — | ◇ UNVERIFIED |
| SOSemo Operating Company | Advance | — | ◇ UNVERIFIED |
| SHSpencer's Hwy 53 Ready Mix | Poplar Bluff | — | ◇ UNVERIFIED |
| SCStar Concrete Company | St. Charles | — | ◇ UNVERIFIED |
| SCStar Concrete Co-star Concrete CO | O'fallon | — | ◇ UNVERIFIED |
| SLStonetrends, L.l.c. | Chesterfield | 20–99 | ◇ UNVERIFIED |
| TBThompson Bros. Ready-mix Concrete | Macon | — | ◇ UNVERIFIED |
| TRTipton Ready Mix | Tipton | — | ◇ UNVERIFIED |
| TTTrenton Transit Mix | Trenton | — | ◇ UNVERIFIED |
| VCVernon County Ready Mix | Nevada | — | ◇ UNVERIFIED |
| VRVersailles Ready Mix-versailles Ready Mix | Versailles | — | ◇ UNVERIFIED |
| WCWarren County Concrete - Kirksville North | Kirksville | — | ◇ UNVERIFIED |
| WCWarren County Concrete LLC | Truesdale | — | ◇ UNVERIFIED |
| WRWarsaw Ready-mix | Warsaw | — | ◇ UNVERIFIED |
| WCWest Continental Auto Parts Company | Maryland Heights | — | ◇ UNVERIFIED |
| WCWilson Concrete Products LLC | Webb City | — | ◇ UNVERIFIED |
| WCWindsor Concrete Co-windsor Concrete CO | Windsor | — | ◇ UNVERIFIED |
| SC"4118 - Sullivan Concrete Plant" | Sullivan | 20–99 | ◐ LIKELY ACTIVE |
| AGAGF Glass | Springfield | 20–99 | ◐ LIKELY ACTIVE |
| AArm | St. Louis | 20–99 | ◐ LIKELY ACTIVE |
| AArm | Saint Louis | 20–99 | ◐ LIKELY ACTIVE |
| BRBleigh Ready-Mix | Hannibal | 20–99 | ◐ LIKELY ACTIVE |
| BTBonne Terre - CPL | Bonne Terre | 1–19 | ◐ LIKELY ACTIVE |
| CMC2 Missouri Kansas City Connecticut Avenue | Kansas City | 1–19 | ◐ LIKELY ACTIVE |
| CWCity Wide Ready Mix | Ozark | 1–19 | ◐ LIKELY ACTIVE |
| CCCon-Agg Companies L.L.C. | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| CMCOUD - Midwest Block | Columbia | 1–19 | ◐ LIKELY ACTIVE |
| DSDimensional Stoneworks LLC | Belton | 20–99 | ◐ LIKELY ACTIVE |
| DIDredging Inc. DBA Scott's Concrete Camdenton | Camdenton | 20–99 | ◐ LIKELY ACTIVE |
| DIDredging Inc. DBA Scott's Concrete Eldon | Eldon | 1–19 | ◐ LIKELY ACTIVE |
| EGE&B Granite, INC | St. Louis | 20–99 | ◐ LIKELY ACTIVE |
| GRGeiger Ready Mix Plant 3 | Liberty | 20–99 | ◐ LIKELY ACTIVE |
| GRGeiger Ready Mix Plant 8 | Lees Summit | 20–99 | ◐ LIKELY ACTIVE |
| GAGlass and Glazing Systems Warrenton | Warrenton | 100–499 | ◐ LIKELY ACTIVE |
| GTGolden Triangle | Wildwood | 20–99 | ◐ LIKELY ACTIVE |
| HIHarbisonWalker International Vandalia | Vandalia | 20–99 | ◐ LIKELY ACTIVE |
| HRHavin Red E Mix, llc | Union | 20–99 | ◐ LIKELY ACTIVE |
| HFHWI - Fulton Brick | Fulton | 20–99 | ◐ LIKELY ACTIVE |
| IGInsulte Glass Co., Inc. | Pacific | 20–99 | ◐ LIKELY ACTIVE |
| JMJEFB - Midwest Block | Jefferson City | 20–99 | ◐ LIKELY ACTIVE |
| JMJEFD - Midwest Block | Osage Beach | 1–19 | ◐ LIKELY ACTIVE |