| RMReady Mix Usa, LLC - Florence Plant | Florence | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA Llc- Kingsport Plant | Kingsport | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA Llc- Rockford Plant | Rockford | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa, LLC - Russellville Plant | Russellville | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA LLC - Tuscumbia Plant | Tuscumbia | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa-maynardville | Maynardville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA Metro Shop | Montgomery | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Tarrant Plant | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA Winfield Plant | Winfield | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RPRenwick Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RPRichardson Plant | Richardson | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RCRmc Carolina Materials Incorporated | Morrisville | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMRocky Mountain Ready Mix Concrete, Incorporated | Brighton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSchuster Concrete Ready Mix, LLC | Owings Mills | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCS&g Concrete Brooklyn Plant | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCS&g Concrete Company | Odenton | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Sherman Industries Alexander City Plant | Alexander City | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Sherman Industries INC N Central Al Div | Rainbow City | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSiouxland Concrete CO | South Sioux City | NE | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC - (formerly Metro Ready Mix Concrete, Llc) | Franklin | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix, LLC | Murfreesboro | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix, Plant 31 | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSouth Central Concrete Bayport Plant | Pasadena | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Materials - Bryson City | Bryson City | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Materials Fletcher Plant | Fletcher | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SESouthern Equipment Dba Ready Mix Concrete - Plant 6 | Apex | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SSSouthern Star Concrete - Mesquite Plant | Mesquite | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SNSouth Norman Batch Plant | Norman | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSouthside Ready Mix | Fort Smith | AR | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSpringfield Ready Mix-springfield Ready Mix | Springfield | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRStandard Ready Mix Concrete | Sioux City | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Columbus, LLC | Columbus | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRStillwater Ready Mix INC / Concrete Batch Plant | Stillwater | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCStrata Concrete-west Fargo | West Fargo | ND | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| STSuncoast Tampa Bay Block & R-m CO INC | Tampa | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SISunrock Industries LLC - Eastern Wake Facility | Zebulon | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMSuperior Materials 35 | Romulus | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMSuperior Materials 36 | Auburn Hills | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMSuperior Materials Plant 20 | Flint | MI | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SHS&w Holly Ridge Plant | Holly Ridge | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMS&w Murrells Inlet | Murrells Inlet | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SNS&w New Bern Plant | New Bern | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix CO - Lumberton | Lumberton | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRS&w Ready Mix Concrete Co., INC. - S. Reilly Road Plant | Fayetteville | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix Concrete CO. - Morehead City | Morehead City | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix Concrete Company - Boliv | Bolivia | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix Concrete Company -goldsboro Plant # 28 | Goldsboro | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRS&w Ready Mix Concrete Company INC - Elizabethtown Plant | Elizabethtown | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix Concrete Company Wilmington | Wilmington | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SWS & W Ready Mix Concrete - Hubert | Hubert | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |