| AAccu-Glass | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
| BQBussen Quarries Incorporated | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TCThe Christy Refractories Company L.L.C. | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| RCRiver Cement-river Cement | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| ARAmerican Ready Mix-fenton | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-st Louis (plant 6) | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCContinental Cement CO INC | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| FSFive Star Concrete-five Star Concrete | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HIHolcim (us) Inc-st Louis Terminal | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LRLandvatter Ready Mix-barrett Station Road | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LRLandvatter Ready Mix Market | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLemay Concrete Block-lemay Concrete Block | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OBOzark Building Materials, LLC Plant 1 | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RBRaineri Building Materials-raineri Building Materials | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRiley Ready Mix & Materials Inc-riley Ready Mix & Materials INC | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RQRuprecht Quarry-paule Rd | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| AArm | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| EGE&B Granite, INC | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| RRbpm | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BBBangert Brothers (millstone Bangert)-bussen Road Plant | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBeco Concrete Company-new Baumgartner Road | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-mattis Road Plant | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BMBreckenridge Material Co-st Louis (plant 7) | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GGGlobal Granite & Marble, LLC | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| IGInnovative Group Holdings LLC | St Louis | MO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| MMMetro Materials Inc-st Louis City | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MBMillstone Bangert Inc-missouri Bottom Road Plant | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| UMUnited Materials Company-st Louis | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |