| 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 |