| QCQuikrete Company | Perryville | MD | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| QDQuikrete - Denver, CO Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| QTQuikrete - Toledo, Oh Plant | Toledo | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company - Franklin Street Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Plant 11 | Arvada | CO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| RMReady Mix USA Lakeshore Facility | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA LLC. | Dallas | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa,llc | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Weems Rd Plant | Tallahassee | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RPRedlands Plant 3 | Redlands | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RPRiverside Plant 1 | Riverside | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RRRobertson's Ready Mix Carroll Canyon Plant 32 | San Diego | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| RCRobinson Concrete, INC. | Auburn | NY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RRRock & Rail - Highway 34 Facility | Johnstown | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SFSanta Fe Springs Plant 10 | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| S1Savannah (plant 11) | Savannah | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSchreiter Ready Mix and Materials INC | O'fallon | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SMScm-kerr Morganton Plant | Morganton | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SRSemo Ready Mix Inc-cape Girardeau | Jackson | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSequatchie Concrete Service, INC. | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Sherman Industries INC. Bessemer Plant | Bessemer | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete | South Pittsburg | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC | Nashville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC | St. Cloud | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSoutheastern Concrete Products Upstate LLC | Simpsonville | SC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SRSoutheast Ready Mix INC | Waynesboro | MS | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SOSouthern Oregon Ready Mix | Central Point | OR | Petroleum and Coal Products Manufacturing324121 | 1-19 | ◐ LIKELY ACTIVE |
| SISrm Inc-hefner Plant | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SCStandard Concrete Products | Savannah | GA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| SCStresscon CORP | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| SCSun City Plant 8 | Sun City | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SISunrock Industries LLC - Butner Concrete | Butner | NC | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| SCS&w Clinton Plant | Clinton | NC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| TATarmac America LLC | Ft Lauderdale | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TATarmac America Llc-e Ellenton Rmc Plant | Ellenton | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TMTcs Materials Llc, Vulcan Materials CO - Norfolk Plant | Norfolk | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TMTcs Materials - Newport News | Newport News | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete - Kennesaw Plant #3500 | Kennesaw | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of Georgia - Tucker Plant | Tucker | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| THThomas Hill Energy Center - Power Div | Clifton Hill | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TPThousand Palms Plant 26 | Thousand Palms | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| TFTitan Florida Llc, Anderson Rd Ready Mix Plant | Tampa | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TFTitan Florida LLC - Pompano Beach Plant | Pompano Beach | FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TVTitan Virginia Ready Mix Limited Liability CORP | Springfield | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TVTitan Virginia Ready Mix LLC - Rip Rap Road | Hampton | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TVTitan Virginia Ready Mix LLC - Stafford | Falmouth | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TCToledo Concrete INC | Toledo | IL | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| TCToxaway Concrete | Cashiers | NC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| TCTri-county Concrete Company | Twinsburg | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| TSTri State Ready Mix, Plant Number 22 | Olive Branch | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |