| SCStandard Concrete Products - Tampa | Tampa | FL | 20–99 | ◐ LIKELY ACTIVE |
| SRStar Ranch Enterprises INC - Section 2 Farm | South Bay | FL | — | ◐ LIKELY ACTIVE |
| SRState Ready Mix - a Calportland Company | Oxnard | CA | 20–99 | ◐ LIKELY ACTIVE |
| SCStavola Construction Materials INC | Bridgewater | NJ | — | ◐ LIKELY ACTIVE |
| SPSteps Plus, INC. | Syracuse | NY | 1–19 | ◐ LIKELY ACTIVE |
| SPSti Precast | Leominster | MA | — | ◐ LIKELY ACTIVE |
| SPSTLP Pavestone | Scott City | MO | 20–99 | ◐ LIKELY ACTIVE |
| SCStone & CO INC Canonsburg Plt | Canonsburg | PA | — | ◐ LIKELY ACTIVE |
| SMStrittmatter Materials, LLC Dba D.c. Materials | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | 20–99 | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Plant No 3 | Wilsons Mills | NC | — | ◐ LIKELY ACTIVE |
| STS T Wooten Corporation - Winterville | Winterville | NC | — | ◐ LIKELY ACTIVE |
| SCSummers Concrete Contracting, INC. Plant 450 | Kinston | NC | — | ◐ LIKELY ACTIVE |
| SSSunset Stone | Castle Rock | CO | 20–99 | ◐ LIKELY ACTIVE |
| SPSuperior Paving Corporation - Centreville Plant | Centreville | VA | — | ◐ LIKELY ACTIVE |
| SRSuperior Ready Mix Incorporated | Lebanon | MO | — | ◐ LIKELY ACTIVE |
| SPSuperock Products, LLC | Childersburg | AL | — | ◐ LIKELY ACTIVE |
| SESurface Elements, INC. | Saint Joseph | TN | — | ◐ LIKELY ACTIVE |
| TITampa International Airport Concrete Batch Plant | Tampa | FL | — | ◐ LIKELY ACTIVE |
| TMTcc Materials | Bow | NH | — | ◐ LIKELY ACTIVE |
| TMTcs Materials LLC – Magnolia Suffolk | Suffolk | VA | — | ◐ LIKELY ACTIVE |
| TMTcs Materials Llc/vulcan Materials CO - Chesapeake | Chesapeake | VA | — | ◐ LIKELY ACTIVE |
| TMTcs Materials - Williamsburg | Williamsburg | VA | — | ◐ LIKELY ACTIVE |
| TRTerminal Ready Mix INC | Lorain | OH | — | ◐ LIKELY ACTIVE |
| TVTerra Vaults | Gainesville | TX | 20–99 | ◐ LIKELY ACTIVE |
| TITexas Industries | Dallas | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRThayer Redi Mix | Thayer | MO | — | ◐ LIKELY ACTIVE |
| TBThe Bauer Company INC. | Worthington | PA | 20–99 | ◐ LIKELY ACTIVE |
| TRThe Reinforced Earth | Waco | TX | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Norton | VA | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Vanceburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Flemingsburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | West Liberty | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Wurtland | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC - Concrete Supplier | Ashland | KY | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete Bartow Plant #2400 | Cartersville | GA | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of Carolina, INC. -denver Plant | Denver | NC | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of Georgia - Cartersville | Cartersville | GA | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of Georgia, INC. (alpharetta) | Alpharetta | GA | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of Georgia, INC. (suwanee Plant) | Sugar Hill | GA | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of South Carolina - Cowpens | Cowpens | SC | — | ◐ LIKELY ACTIVE |
| TCThomas Concrete of South Carolina INC Summerville | Summerville | SC | — | ◐ LIKELY ACTIVE |
| TRThompson Ready Mix Concrete | Huntsville | AR | — | ◐ LIKELY ACTIVE |
| TBTidewater Block LLC | Suffolk | VA | — | ◐ LIKELY ACTIVE |
| TMTidewater Materials INC Old Stage Rd | Chester | VA | — | ◐ LIKELY ACTIVE |
| TCTindall Corporation - Georgia Division | Conley | GA | 100–499 | ◐ LIKELY ACTIVE |
| TCTindall Corporation - Virginia Division | Petersburg | VA | 100–499 | ◐ LIKELY ACTIVE |
| TATitan America Tarmac | Tavares | FL | — | ◐ LIKELY ACTIVE |
| TFTitan Florida Llc, Anderson Rd Ready Mix Plant | Tampa | FL | — | ◐ LIKELY ACTIVE |
| TFTitan Florida LLC - West Palm Beach, Fairgrounds Road | West Palm Beach | FL | — | ◐ LIKELY ACTIVE |
| TCTnt Concrete Batch Plant_green Cove Springs | Green Cove Springs | FL | — | ◐ LIKELY ACTIVE |
| TRTnt Ready Mix | Green Cove Springs | FL | — | ◐ LIKELY ACTIVE |
| TCTodd CO Holdings LLC D/b/a Todd CO Stone | Elkton | KY | — | ◐ LIKELY ACTIVE |
| TCTownes Construction Company INC | Grenada | MS | — | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Barker | Houston | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Conroe | Conroe | TX | 1–19 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Spring | Spring | TX | 20–99 | ◐ LIKELY ACTIVE |
| TCTransit-mix Concrete Company | Kingsport | TN | — | ◐ LIKELY ACTIVE |
| TCTransit-mix Concrete Company, INC. | Johnson City | TN | — | ◐ LIKELY ACTIVE |
| TRT R Huffman & Sons | Mouth of Wilson | VA | — | ◐ LIKELY ACTIVE |
| TCTri Circle Pavers INC | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| TCTri CO Ready Mix - London Division | London | KY | — | ◐ LIKELY ACTIVE |
| TCTriple Crown Concrete a Division of Hinkle Contracting CO Llc-lexington | Lexington | KY | — | ◐ LIKELY ACTIVE |
| TCTriple Crown Concrete a Division of Hinkle Contracting CO Llc-somerset | Somerset | KY | — | ◐ LIKELY ACTIVE |
| TCTriple Crown Concrete a Division of Hinkle Contracting CO Llc-winchester | Winchester | KY | — | ◐ LIKELY ACTIVE |
| TMTri-star Mining - Hampshire Hill Mine (no. 419) | Barton | MD | — | ◐ LIKELY ACTIVE |
| TRTri-state Ready Mix | Byhalia | MS | — | ◐ LIKELY ACTIVE |
| TCTupelo Concrete Products Company INC | Tupelo | MS | — | ◐ LIKELY ACTIVE |
| TATUSB Arizona Best Block | Tucson | AZ | 1–19 | ◐ LIKELY ACTIVE |
| TCTwin Cities Ready Mix, Inc.-eufaula Facility | Eufaula | OK | — | ◐ LIKELY ACTIVE |
| TKTwin K Enterprises LLC | Oneida | TN | — | ◐ LIKELY ACTIVE |
| T1Txi-portable 132 @ Aep-welsh Plant | Pittsburg | TX | — | ◐ LIKELY ACTIVE |
| UCUnilock Chicago | Aurora | IL | 100–499 | ◐ LIKELY ACTIVE |
| UMUnilock Marengo | Marengo | IL | 20–99 | ◐ LIKELY ACTIVE |
| UNUnilock New York, Inc. | Brewster | NY | 20–99 | ◐ LIKELY ACTIVE |
| UCUnion City | Union City | CA | 20–99 | ◐ LIKELY ACTIVE |
| UCUniontown Concrete Plt | Hopwood | PA | — | ◐ LIKELY ACTIVE |
| UMUnited Memorial Products, Whittier | Whittier | CA | 20–99 | ◐ LIKELY ACTIVE |
| USU S Concrete Products CORP | Pompano Beach | FL | — | ◐ LIKELY ACTIVE |
| VRValley Rock Ready Mix, INC. | Lompoc | CA | — | ◐ LIKELY ACTIVE |
| VEVan Eaton Ready Mix, Inc. | Shawnee | OK | 100–499 | ◐ LIKELY ACTIVE |
| VSVan Smith Concrete:#5 | Goose Creek | SC | — | ◐ LIKELY ACTIVE |
| VSVan Smith Concrete Company - Clements Ferry Plant | Charleston | SC | — | ◐ LIKELY ACTIVE |
| VGVBC Group LLC | Spring Lake | MI | 20–99 | ◐ LIKELY ACTIVE |
| VPVcna Prestige Concrete-greensboro | Greensboro | NC | — | ◐ LIKELY ACTIVE |
| VDVerona Division of B and B Concrete Company INC | Shannon | MS | — | ◐ LIKELY ACTIVE |
| VRViking Ready Mix/Hanford | Hanford | CA | 20–99 | ◐ LIKELY ACTIVE |
| VCVirginia Concrete Company INC - Spotsylvania | Fredericksburg | VA | — | ◐ LIKELY ACTIVE |
| VCVital Consulting Group, LLC Portable Concrete Batch Plant | Albuquerque | NM | — | ◐ LIKELY ACTIVE |
| VEVogtle Elec. Generating Plant | Waynesboro | GA | — | ◐ LIKELY ACTIVE |
| VMVsi Mobilmix | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials Puddledock | Prince George | VA | — | ◐ LIKELY ACTIVE |
| VMVulcan Materials:columbia Quarry | Columbia | SC | — | ◐ LIKELY ACTIVE |
| WFWaco Facility | Waco | TX | 100–499 | ◐ LIKELY ACTIVE |
| WCWalker Concrete Co.-tyrone | Tyrone | GA | — | ◐ LIKELY ACTIVE |
| WCWardwell Construction and Trucking CORP - Bucksport | Bucksport | ME | — | ◐ LIKELY ACTIVE |
| WRWarrensburg Ready Mix | Warrensburg | MO | — | ◐ LIKELY ACTIVE |
| WRWarrior Ready Mix | Warrior | AL | — | ◐ LIKELY ACTIVE |
| WRWatauga Ready Mix Sparta Plant | Sparta | NC | — | ◐ LIKELY ACTIVE |
| WTWausau Tile, Inc. - WI | Rothschild | WI | 100–499 | ◐ LIKELY ACTIVE |