| UCUnicon Concrete Incorporated | High Point | NC | — | ◇ UNVERIFIED |
| UCUnicon Concrete Incorporated Plant Number 6 | Durham | NC | — | ◇ UNVERIFIED |
| UIUnifrax I LLC Sanborn | Sanborn | NY | — | ◇ UNVERIFIED |
| UCUnion Concrete Products | Maxwelton | WV | — | ◇ UNVERIFIED |
| UPUnique Paving Materials Corporation | Cleveland | OH | — | ◇ UNVERIFIED |
| USUnique Stone, INC. | Rockingham | NC | — | ◇ UNVERIFIED |
| UAUnited Asphalt Supply | Canton | IL | — | ◇ UNVERIFIED |
| UAUnited Asphalt Supply INC | Macomb | IL | — | ◇ UNVERIFIED |
| UCUnited Companies - United Companies - | Grand Junction | CO | — | ◇ UNVERIFIED |
| UCUnited Concrete | Harrisburg | SD | — | ◇ UNVERIFIED |
| UCUnited Concrete CORP | Waukegan | IL | — | ◇ UNVERIFIED |
| UCUnited Contractors Midwest | Chapin | IL | — | ◇ UNVERIFIED |
| UMUnited Mat'ls Missouri River Gravel Pit | Great Falls | MT | — | ◇ UNVERIFIED |
| URUnited Ready Mix | Platteville | CO | — | ◇ UNVERIFIED |
| URUnited Ready Mix INC | Pekin | IL | — | ◇ UNVERIFIED |
| URUnited Ready Mix - Platteville | Platteville | CO | — | ◇ UNVERIFIED |
| URUnited Refinery Springdale Terminal | Springdale | PA | — | ◇ UNVERIFIED |
| USUnited Stone Veneer Stormwater | Middleburg | PA | — | ◇ UNVERIFIED |
| UCUniversal Crushing | Punta Gorda | FL | — | ◇ UNVERIFIED |
| USUntamed Services - Mobile Concrete Crusher Unit | Shreveport | LA | — | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete CO | East Saint Louis | IL | — | ◇ UNVERIFIED |
| URUpchurch Ready Mix Concrete CO INC | Belleville | IL | — | ◇ UNVERIFIED |
| UCUpper Cape Ready Mix | East Falmouth | MA | — | ◇ UNVERIFIED |
| URUrbana Recycling CO | Urbana | IL | — | ◇ UNVERIFIED |
| UFUsc - Ferrara Brothers LLC - Maspeth | Maspeth | NY | — | ◇ UNVERIFIED |
| UKUsc - Kings LLC - Johnson Avenue | Brooklyn | NY | — | ◇ UNVERIFIED |
| UNUsc - Nycon LLC | Long Island City | NY | — | ◇ UNVERIFIED |
| UMUS Mix CO. | Denver | CO | — | ◇ UNVERIFIED |
| VAVado Asphalt Plant | Las Cruces | NM | — | ◇ UNVERIFIED |
| VHVado Hot Mix Asphalt Plant Gcp3-4449 | Mesquite | NM | — | ◇ UNVERIFIED |
| VAV. Alan Atkins, D.b.a. Appalachian Paving and Grading | Bakersville | NC | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | — | ◇ UNVERIFIED |
| VIValco INC | Canon City | CO | — | ◇ UNVERIFIED |
| VAValley Asphalt # 13 (1409000029) | Ross, Township of | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt #19 (1431073386) | Cincinnati | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt #24 | Lucasville | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt #25 | Troy | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt #5 | Morrow | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt Corporation #27 (0124010402) | Washington Court House | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt Corporation Plant 17 | Crothersville | IN | — | ◇ UNVERIFIED |
| VAValley Asphalt CORP - Plant #11 (0829710020) | Xenia | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt CORP - Plant #24 | Monroe | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt CORP. Plant 3 | Medway | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt CORP. Plant 7 (0857821893) | Dayton | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt Plant # 28 - 2020 (1483000596) | Franklin | OH | — | ◇ UNVERIFIED |
| VAValley Asphalt - Queensgate (1431004765) | Cincinnati | OH | — | ◇ UNVERIFIED |
| VBValley Block Loveland Facility | Loveland | CO | — | ◇ UNVERIFIED |
| VPValley Paving & Asphalt, INC. | Cottonwood | ID | — | ◇ UNVERIFIED |
| VNValmont Newmark INC | Bartow | FL | — | ◇ UNVERIFIED |
| VNValmont Newmark, INC | Tuscaloosa | AL | — | ◇ UNVERIFIED |