| T1Txi-portable 132 @ Aep-welsh Plant | Pittsburg | TX | — | ◐ LIKELY ACTIVE |
| UIUnifrax I LLC | Tonawanda | NY | — | ◐ 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 |
| UQUnion Quarries Inc/bonny Brook | Carlisle | PA | — | ◐ LIKELY ACTIVE |
| UCUniontown Concrete Plt | Hopwood | PA | — | ◐ LIKELY ACTIVE |
| UMUnited Memorial Products, Whittier | Whittier | CA | 20–99 | ◐ LIKELY ACTIVE |
| UCU.s. Concrete Products | Brooklyn | MD | — | ◐ LIKELY ACTIVE |
| USU S Concrete Products CORP | Pompano Beach | FL | — | ◐ LIKELY ACTIVE |
| VBValero Benicia Asphalt Plant | Benicia | CA | — | ◐ LIKELY ACTIVE |
| VAValley Asphalt #17 - Portable | Cleves | OH | — | ◐ LIKELY ACTIVE |
| VAValley Asphalt #18 - Portable | Wilmington | OH | — | ◐ LIKELY ACTIVE |
| VRValley Rock Ready Mix, INC. | Lompoc | CA | — | ◐ LIKELY ACTIVE |
| VBVance Brothers | Sedalia | MO | — | ◐ 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 |
| V3Vicksburg 36 Material Source | Tempe | AZ | — | ◐ LIKELY ACTIVE |
| VRViking Ready Mix/Hanford | Hanford | CA | 20–99 | ◐ LIKELY ACTIVE |
| VCVirginia Concrete Company INC - Spotsylvania | Fredericksburg | VA | — | ◐ LIKELY ACTIVE |
| VPVirginia Paving Company - Chantilly | Chantilly | VA | — | ◐ LIKELY ACTIVE |
| VPVirginia Paving Company - Chantilly Plant | Chantilly | VA | — | ◐ LIKELY ACTIVE |
| VPVirginia Paving Company - Occoquan Plant | Lorton | VA | — | ◐ LIKELY ACTIVE |
| VPVirginia Paving Company - Stafford Plant | Stafford | VA | — | ◐ LIKELY ACTIVE |
| VCVital Consulting Group, LLC Portable Concrete Batch Plant | Albuquerque | NM | — | ◐ LIKELY ACTIVE |
| VEVogtle Elec. Generating Plant | Waynesboro | GA | — | ◐ LIKELY ACTIVE |
| VMVolunteer Materials, LLC | Lewisburg | TN | — | ◐ LIKELY ACTIVE |
| VPVolunteer Paving LLC | Shelbyville | TN | — | ◐ LIKELY ACTIVE |
| VPVolunteer Paving LLC | Holladay | TN | — | ◐ LIKELY ACTIVE |
| VMVsi Mobilmix | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| VIVsoske INC. | Vega Baja | PR | 20–99 | ◐ LIKELY ACTIVE |
| VAVulcan Asphalt | Maricopa County | AZ | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Material, LLC - Fort Payne Quarry | Fort Payne | AL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials LLC | Cookeville | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials LLC | Guntersville | AL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Antioch | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Centre | AL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Blountsville | AL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Nashville | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Gadsden | AL | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Hermitage | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC | Murfreesboro | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials, LLC - Clarksville Asphalt | Clarksville | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials LLC Dba Franklin Asphalt Plant | Franklin | TN | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Materials LLC Dba Vulcan Columbia Asphalt Plant | Columbia | TN | — | ◐ LIKELY ACTIVE |