| UPUpstate Precast LLC | Pelzer | SC | — | ◇ UNVERIFIED |
| URUrbana Recycling CO | Urbana | IL | — | ◇ UNVERIFIED |
Urban Electric Power INC | Pearl River | NY | — | ◇ UNVERIFIED |
| UIU-rent INC. | Camarillo | CA | — | ◇ UNVERIFIED |
| UIU-rent INC. | Saticoy | CA | — | ◇ UNVERIFIED |
| UNUs301 Nice-middleton Bridge Replacement Project | Newburg | MD | — | ◇ UNVERIFIED |
| UEUs69 Express 135th Loop Ramp | Overland Park | KS | — | ◇ UNVERIFIED |
| UEUs69 Express Bvpw Batch Plant | Overland Park | KS | — | ◇ UNVERIFIED |
| UNUsace New River Chamber Batch Concrete Plt | Monaca | PA | — | ◇ UNVERIFIED |
| UCUSA Concrete LLC | La Grande | OR | — | ◇ UNVERIFIED |
| UAU.s. Army - Pine Bluff Arsenal | White Hall | AR | — | ◇ UNVERIFIED |
| UBUS Banknote CORP | Philadelphia | PA | — | ◇ UNVERIFIED |
| UFUsc - Ferrara Brothers LLC - Chelsea Road | Staten Island | NY | — | ◇ UNVERIFIED |
| UKUsc - Kings LLC - Inwood | Inwood | NY | — | ◇ UNVERIFIED |
| UKUsc - Kings LLC - on Time | Flushing | NY | — | ◇ UNVERIFIED |
| UCU.s. Concrete Company/superior Concrete Materials | Washington | DC | — | ◇ UNVERIFIED |
| UCU.s. Concrete, INC. | Staten Island | NY | — | ◇ UNVERIFIED |
| UCU.s. Concrete, INC. | Staten Island | NY | — | ◇ UNVERIFIED |
| UCUS Concrete On-site INC | Camp Grove | IL | — | ◇ UNVERIFIED |
| UUUsda Usfs R05 Air Attack Base | Chico | CA | — | ◇ UNVERIFIED |
| UDUS Doi Blm Pocatello Air Tanker Base | Pocatello | ID | — | ◇ UNVERIFIED |
| UDUS Doi Blm Twin Falls Air Tanker Base | Twin Falls | ID | — | ◇ UNVERIFIED |
| UOUsdol Osha | Mohrsville | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha | Dalton | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha | Alachua | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Hiram | GA | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Corpus Christi Area Office | San Juan | TX | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Corpus Christi Area Office | Harlingen | TX | — | ◇ UNVERIFIED |
| UOUsdol Osha - Ft. Lauderdale Ao | Miami | FL | — | ◇ UNVERIFIED |
| UDU.s. Dol-osha Houston South Area Office | Galveston | TX | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Foley | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Theodore | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Mobile | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | South Beloit | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha - Tampa Ao | Orlando | FL | — | ◇ UNVERIFIED |
| UEUS Ecology Alaska, LLC | Anchorage | AK | — | ◇ UNVERIFIED |
| UFUS Formliner, INC. | Comer | GA | — | ◇ UNVERIFIED |
| UGUS Gypsum CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| UMUS Mix | Fontana | CA | — | ◇ UNVERIFIED |
| UCUstone Cement Products & Solution LLC | Medley | FL | — | ◇ UNVERIFIED |
| UWU.s. Water Services | Aberdeen | MD | — | ◇ UNVERIFIED |
| UWUS Water Services | Carrollton | MO | — | ◇ UNVERIFIED |
Utah Foam Products CO. INC. | Nephi | UT | — | ◇ UNVERIFIED |
| UWUtah Wilbert Vault Company, INC | West Valley City | UT | — | ◇ UNVERIFIED |
| UTUtica Transit Mix and Supply | Sterling Heights | MI | — | ◇ UNVERIFIED |
| USUtilities Structures, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| UCUtility Concrete Products | Plainfield | IL | — | ◇ UNVERIFIED |
| VCVa Cast Stone INC. | Waynesboro | VA | — | ◇ UNVERIFIED |
| VPVacuum Process Engineering | Sacramento | CA | — | ◇ UNVERIFIED |
| VDValco Div-3 | Lamar | CO | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford 2.0 Mi. E of | CO | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | — | ◇ UNVERIFIED |
| VIValco INC | Canon City | CO | — | ◇ UNVERIFIED |
| VIValco INC | Gunnison County | CO | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | — | ◇ UNVERIFIED |
| VIValco, INC. (id #6790) | Otero County | CO | — | ◇ UNVERIFIED |
| VIValco INC Lamar Division | Las Animas | CO | — | ◇ UNVERIFIED |
| VLValcrete - Limon Plant | Limon | CO | — | ◇ UNVERIFIED |
| VBValente Builders, Inc. | Hudson Falls | NY | — | ◇ UNVERIFIED |
| VBValley Brook Concrete & Supply, INC. | Leon | WV | — | ◇ UNVERIFIED |
| VBValley Building Supply, INC. | Luray | VA | — | ◇ UNVERIFIED |
| VCValley Concrete INC | Artesia | NM | — | ◇ UNVERIFIED |
| VCValley Construction CO | Milan | IL | — | ◇ UNVERIFIED |
| VEValley Energy | Sterling | IL | — | ◇ UNVERIFIED |
| VPValley Precast, INC. | Buena Vista | CO | — | ◇ UNVERIFIED |
| VRValley Ready Mix, INC. | Idaho Falls | ID | — | ◇ UNVERIFIED |
| VNValmont Newmark INC | Bartow | FL | — | ◇ UNVERIFIED |
| VNValmont Newmark, INC | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| VNValmont Newmark Incorporated | Bristol | IN | — | ◇ UNVERIFIED |
| VNValmont Newmark Small Pole Facility | Fort Meade | FL | — | ◇ UNVERIFIED |
| VUValmont Utility | Bartow | FL | — | ◇ UNVERIFIED |
| VCVance Concrete Plant | Culpeper | VA | — | ◇ UNVERIFIED |
| VCVan Cleve Concrete Products INC | Exeter | CA | — | ◇ UNVERIFIED |
| VCVanDerVart Concrete Products, LLC | Sheboygan | WI | — | ◇ UNVERIFIED |
| VEVan Eaton Ready Mix - Cemco-305 (high Banks Wind Farm - North) | Munden | KS | — | ◇ UNVERIFIED |
| VEVan Eaton Ready Mix - Cemco-345 (high Banks Wind Farm - South) | Cuba | KS | — | ◇ UNVERIFIED |
| VEVan Eaton Ready Mix (portable) | Portable | KS | — | ◇ UNVERIFIED |
| VEVan Eaton Ready Mix / Red Dirt Wind Project Mobile Batch Pla | Dover | OK | — | ◇ UNVERIFIED |
| VHVan Houtte INC | Henderson | KY | — | ◇ UNVERIFIED |
| VMVans Material CO INC | Midlothian | IL | — | ◇ UNVERIFIED |
| VSVan Smith Concrete:#2 | Charleston | SC | — | ◇ UNVERIFIED |
| VSVan Smith Concrete:#3 | Mount Pleasant | SC | — | ◇ UNVERIFIED |
| VSVan Smith Concrete:#5 | Goose Creek | SC | — | ◇ UNVERIFIED |
| VSVan Smith Concrete CO Jedburg Plant | Summerville | SC | — | ◇ UNVERIFIED |
| VSVan Smith Concrete CO Plant #2 | Charleston | SC | — | ◇ UNVERIFIED |
| VSVan Smith Concrete CO Plant #5 | Goose Creek | SC | — | ◇ UNVERIFIED |
| VTVan Trust Portable | Roebuck | SC | — | ◇ UNVERIFIED |
| VCVape Craft LLC | Vista | CA | — | ◇ UNVERIFIED |
| VIVapor Image LLC | Hanover | MA | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | — | ◇ UNVERIFIED |
| VIVaravo INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| VBVarco-pruden Buildings | Kernersville | NC | — | ◇ UNVERIFIED |
| VIVarian INC | Lake Forest | CA | — | ◇ UNVERIFIED |
| VSVarian Sample Preparation Products | Harbor City | CA | — | ◇ UNVERIFIED |
| VBVarney Bros Sand & Gravel | Medfield | MA | — | ◇ UNVERIFIED |
| VBVarney Brothers Sand & Gravel INC | Bellingham | MA | — | ◇ UNVERIFIED |
| VCVarra Companies INC | Colorado | CO | — | ◇ UNVERIFIED |
| VCVarra Companies INC. - Batch Plt #5 | Greeley | CO | — | ◇ UNVERIFIED |
| VCVarra Companies INC. - Batch Plt #5 | Erie | CO | — | ◇ UNVERIFIED |