| QCQuikrete Construction Materials, LLC - Poinciana Ready Mix | Poinciana | FL | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials LLC - Quikrete Ready Mix - Belle Chasse Plant | Belle Chasse | LA | — | ◐ LIKELY ACTIVE |
| QCQuikrete Construction Materials, Llc- St. Augustine Ready Mi | Saint Augustine | FL | — | ◐ LIKELY ACTIVE |
| QMQuikrete - Martinsville | Martinsville | VA | — | ◐ LIKELY ACTIVE |
| RSRbc Sand & Gravel INC. | Darby | MT | — | ◐ LIKELY ACTIVE |
| RMReady Mix Concrete, INC. | Sainte Genevieve, Township of | MO | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete CO | Lincoln | NE | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company | Kinston | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company Garner Number 5 | Garner | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company, Plant #9, Louisburg | Louisburg | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company Wilson | Sims | NC | — | ◐ LIKELY ACTIVE |
| RMReady Mix Solutions LLC | Murphysboro | IL | — | ◐ LIKELY ACTIVE |
| RSReady-mix Solutions LLC | Carbondale | IL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Alexander City Facility | Alexander City | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa, LLC - Andalusia Facility | Andalusia | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix Usa, LLC - Monroeville Facility | Monroeville | AL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - New Tazewell | New Tazewell | TN | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Niceville Plant (west) | Niceville | FL | — | ◐ LIKELY ACTIVE |
| RMReady Mix USA - Opelika Facility | Opelika | AL | — | ◐ LIKELY ACTIVE |
| RRRichmond Rmc Plant | Richmond | VA | — | ◐ LIKELY ACTIVE |
| RRRitchey's Redi Mix INC | Wray | CO | — | ◐ LIKELY ACTIVE |
| RCRiver City Concrete, INC - Waynesboro Plant | Waynesboro | TN | — | ◐ LIKELY ACTIVE |
| RBRl Brink CORP | Quincy | IL | — | ◐ LIKELY ACTIVE |
| RRRobertson's Ready Mix | San Diego | CA | — | ◐ LIKELY ACTIVE |
| RRRockingham Redi-mix - Front Royal Facility | Front Royal | VA | — | ◐ LIKELY ACTIVE |
| RRRockingham Redi- Mix INC - Charlottesville | Charlottesville | VA | — | ◐ LIKELY ACTIVE |
| RGRogers Group, INC. | Celina | TN | — | ◐ LIKELY ACTIVE |
| RGRogers Group, INC. Dba Dayton Concrete Plant | Dayton | TN | — | ◐ LIKELY ACTIVE |
| RRRogers Ready Mix 2 | Rogers | AR | — | ◐ LIKELY ACTIVE |
| RPRoss Prestressed Concrete CO | Bristol | TN | — | ◐ LIKELY ACTIVE |
| RPRoss Prestressed Concrete, INC | Knoxville | TN | — | ◐ LIKELY ACTIVE |
| RRR R Beasley Incorporated - Callao | Callao | VA | — | ◐ LIKELY ACTIVE |
| RSR & S Concrete | Madisonville | TN | — | ◐ LIKELY ACTIVE |
| RSR & S Concrete | Fresno | TX | — | ◐ LIKELY ACTIVE |
| RRR&t Redi Mix - 7355 Colorado 196 | Lamar 3.3 Mi. N of | CO | — | ◐ LIKELY ACTIVE |
| SPSabine Pass Lng LP - Sabine Pass Lng Import Terminal | Johnsons Bayou | LA | — | ◐ LIKELY ACTIVE |
| SCSaint Catherine Ready Mix Concrete Company INC | Natchez | MS | — | ◐ LIKELY ACTIVE |
| SCSalina Concrete Products | Salina | KS | — | ◐ LIKELY ACTIVE |
| SMSargent Materials | East Machias | ME | — | ◐ LIKELY ACTIVE |
| SBS B Cox - Doswell | Doswell | VA | — | ◐ LIKELY ACTIVE |
| SBS B Cox Ready Mix - Gloucester Plant | Gloucester | VA | — | ◐ LIKELY ACTIVE |
| SBS B Cox Ready Mix Incorporated - Anderson Hwy | Powhatan | VA | — | ◐ LIKELY ACTIVE |
| SCSeaford Concrete Products | Bridgeville | DE | — | ◐ LIKELY ACTIVE |
| SRSemo Ready Mix, INC. | Cape Girardeau | MO | — | ◐ LIKELY ACTIVE |
| SCSequatchie Concrete Service | Estill Springs | TN | — | ◐ LIKELY ACTIVE |
| SCSequatchie Concrete Service - Athens | Athens | TN | — | ◐ LIKELY ACTIVE |
| SCSequatchie Concrete Service INC | Madison | AL | — | ◐ LIKELY ACTIVE |
| SPServall Plant/erie | Erie | PA | — | ◐ LIKELY ACTIVE |
| SMShelby Materials Incorporated | Nashville | IN | — | ◐ LIKELY ACTIVE |
Sherman Industries Alexander City Plant | Alexander City | AL | — | ◐ LIKELY ACTIVE |
| SCSierra Concrete | Quincy | CA | — | ◐ LIKELY ACTIVE |
| SCSmith Concrete Company - Charleston Plant | Charleston | WV | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete | Richmond | VA | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC | Gallatin | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC | Nashville | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC - Blount County Plant #48 | Louisville | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC Dba Dunlap Plant Crusher | Dunlap | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC Dba Shelbyville Plant | Shelbyville | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC - La Vergne Plant 14a & 14b | La Vergne | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC Plant 15020 | Cedar Bluff | AL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC - Plant 207 | Bardstown | KY | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC Plant 231 | Sparta | KY | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete Llc- Plant No. 15/plant No. 15b | Lebanon | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC - Spencer Mill Road, Bon Aqua | Bon Aqua | TN | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC - Srm Plant #125 | Panama City | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete LLC - Srm Plant #167, 168 169 | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, Llc- Wildwood Plant | Wildwood | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete Plant 206 | Taylorsville | KY | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete/shenango Twp | W. Middlesex | PA | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix East Trail Batch Plant | Naples | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix - Plant #103 | Tallahassee | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix - Plant # 104 | Tallahassee | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix - Plant #128 | Fort Walton Beach | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix - Plant #145 | Panacea | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix - Williston Ready Mix Plant | Williston | FL | — | ◐ LIKELY ACTIVE |
| SRSmyrn Ready Mix Concrete, LLC - Smr Plant 124 | Perry | FL | — | ◐ LIKELY ACTIVE |
| SRSolid Rock Concrete | Russellville | MO | — | ◐ LIKELY ACTIVE |
| SCSouthern Concrete Materials, INC. - Waynesville | Waynesville | NC | — | ◐ LIKELY ACTIVE |
| SESouthern Equip Co., INC. Dba Ready Mixed Concrete CO. #25 | Rougemont | NC | — | ◐ LIKELY ACTIVE |
| SESouthern Equipment CO. D.b.a. Ready Mixed Concrete CO. | Wake Forest | NC | — | ◐ LIKELY ACTIVE |
| SESouthern Equipment CO (dba Rmcc) - Hillsborough - Plant #53 | Hillsborough | NC | — | ◐ LIKELY ACTIVE |
| SISouthern Illinois Redi-mix INC | Marion | IL | — | ◐ LIKELY ACTIVE |
| SMSouthwest Materials | Ozark | MO | — | ◐ LIKELY ACTIVE |
| SBSparta Block & Tank Supply | Sparta | TN | — | ◐ LIKELY ACTIVE |
| SCSpring Creek Materials, INC - Salem Redi-mix, LLC | Salem | AR | — | ◐ LIKELY ACTIVE |
| SLSrm Little River Plant | Little River | SC | — | ◐ LIKELY ACTIVE |
| STStevenson-weir/southern - Texland | Charlotte | NC | — | ◐ LIKELY ACTIVE |
| SCStone & CO Inc/charleroi Plt | Charleroi | PA | — | ◐ LIKELY ACTIVE |
| SCStrata Concrete-elgin | Elgin | ND | — | ◐ LIKELY ACTIVE |
| SCStrata Corporation Jamestown | Jamestown | ND | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Newport | Newport | NC | — | ◐ LIKELY ACTIVE |
| SCSummers Concrete Contracting INC | Valdosta | SC | — | ◐ LIKELY ACTIVE |
| SBSummers-taylor Blountville Concrete Plant | Kingsport | TN | — | ◐ LIKELY ACTIVE |
| SISummers-taylor INC. - Unicoi County (erwin) Concrete Plant | Erwin | TN | — | ◐ LIKELY ACTIVE |
| SMSummers-taylor Materials Company Dba Simpson Construction Property | Cleveland | TN | — | ◐ LIKELY ACTIVE |
| SCSuperior Concrete, INC. | Harrisonburg | VA | — | ◐ LIKELY ACTIVE |
| SWSuperior Walls of Central Virginia Incorporated | Amelia | VA | — | ◐ LIKELY ACTIVE |
| SCSws Con-e-co Plant | Blythewood | SC | — | ◐ LIKELY ACTIVE |
| TCTankersley Concrete Company INC. | Lewisburg | TN | — | ◐ LIKELY ACTIVE |
| TATarmac America | Edgewater | FL | — | ◐ LIKELY ACTIVE |