| TMTcs Materials - Williamsburg | Williamsburg | VA | — | ◐ LIKELY ACTIVE |
| TRTerminal Ready Mix INC | Lorain | OH | — | ◐ 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 |
| TWThe Wells Group LLC | Norton | VA | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Wurtland | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Flemingsburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | Vanceburg | KY | — | ◐ LIKELY ACTIVE |
| TWThe Wells Group LLC | West Liberty | 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 |
| 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 |