| UMUniversal Metal Solutions, LLC | Fresno | CA | — | ◇ UNVERIFIED |
| UMUniversal Molding Company | Lynwood | CA | — | ◇ UNVERIFIED |
| UMUniversal Molding Company INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| UMUniversal Molding Extrusion CO | Downey | CA | — | ◇ UNVERIFIED |
| UMUniversal Motor Oil | Compton | CA | — | ◇ UNVERIFIED |
| UOUniversal Ornamental Iron, INC. | Conyers | GA | — | ◇ UNVERIFIED |
| UPUniversal Paint CORP | Industry | CA | — | ◇ UNVERIFIED |
| UPUniversal Pipe & Steel Supply, INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| UPUniversal Plant Services | Pasadena | TX | — | ◇ UNVERIFIED |
| UPUniversal Powder Coating | Belmont | CA | — | ◇ UNVERIFIED |
| UPUniversal Powder Coatings | Ward | AR | — | ◇ UNVERIFIED |
| UPUniversal Presentation Concepts | Madison | WI | — | ◇ UNVERIFIED |
| UPUniversal Protective Packaging, INC. | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| URUniversal Roll Forming INC | Lindon | UT | — | ◇ UNVERIFIED |
| URUniversal Rubber Products, INC. | Denver | NC | — | ◇ UNVERIFIED |
| USUniversal Sandblasting & Painting INC. | Lanark | WV | — | ◇ UNVERIFIED |
| USUniversal Sawmill | Bungay | IL | — | ◇ UNVERIFIED |
| USUniversal Scrap Management, LLC. | Lauderhill | FL | — | ◇ UNVERIFIED |
 Universal Stainless & Alloy Products INC. | North Jackson | OH | — | ◇ UNVERIFIED |
| USUniversal Steel Fabricators, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| USUniversal Steel of North Carolina, LLC | Thomasville | NC | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| UTUniversal Tool Steel LLC | Springfield | TN | — | ◇ UNVERIFIED |
| UTUniversal Trailer | El Reno | OK | — | ◇ UNVERIFIED |
| UFUniversity Frames INC | Anaheim | CA | — | ◇ UNVERIFIED |
| UHUniversity House | Fullerton | CA | — | ◇ UNVERIFIED |
| UPUniversity Park Golo | University Park | IL | — | ◇ UNVERIFIED |
| USUniversity Service | Decatur | IL | — | ◇ UNVERIFIED |
| UIUni-Vue, Inc. | Troy | MI | — | ◇ UNVERIFIED |
| UVUni Vue INC | Ferndale | MI | — | ◇ UNVERIFIED |
| UMUniwall Mfg. CO. (1576111601) | Louisville | OH | — | ◇ UNVERIFIED |
| UIUniweb INC | Orange | CA | — | ◇ UNVERIFIED |
| UIUniweb Incorporated | Corona | CA | — | ◇ UNVERIFIED |
| UUnknown | Fremont | CA | — | ◇ UNVERIFIED |
| UIUnlimited Inovations INC. | Plattsmouth | NE | — | ◇ UNVERIFIED |
| UIUnobtanium INC | Oregon City | OR | — | ◇ UNVERIFIED |
| ULUny LLC | East Syracuse | NY | — | ◇ UNVERIFIED |
| ULUop LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| UPUpcoming Productions INC. Ufp25 | Glendale | CA | — | ◇ UNVERIFIED |
| UIUpf INC. | Flint | MI | — | ◇ UNVERIFIED |
| URUpland Rock INC | Highland | CA | — | ◇ UNVERIFIED |
| UNUp North Industries LLC | Petoskey | MI | — | ◇ UNVERIFIED |
| UUUpol - US Corporation | Easton | PA | — | ◇ UNVERIFIED |
| URUpper Rock Energy Partners LLC - Upper Rock Island County Landfill | East Moline | IL | — | ◇ UNVERIFIED |
| UVUpper Valley Design LLC | Alstead | NH | — | ◇ UNVERIFIED |
| USUpright Steel Fabricators and Erectors LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| UUps | Urbana | IL | — | ◇ UNVERIFIED |
| UMUpson Metal Fabricators | San Jacinto | CA | — | ◇ UNVERIFIED |
| UAUpstate Anodize LLC | Gaffney | SC | — | ◇ UNVERIFIED |
| USUpton Sheet Metal | Anaheim | CA | — | ◇ UNVERIFIED |
| UMUrban Magix LLC | Montgomery | AL | — | ◇ UNVERIFIED |
| UAUrbanovsky Advanced Construction, LLC | Cleburne | TX | — | ◇ UNVERIFIED |
| URU Recycle LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UUUrenco USA | Eunice | NM | — | ◇ UNVERIFIED |
| U1Ursa 1 Stop | Ursa | IL | — | ◇ UNVERIFIED |
| UTUrsa Truck and Trailer Repair | Ursa | IL | — | ◇ UNVERIFIED |
| UCUrs Corporation | Casper | WY | — | ◇ UNVERIFIED |
| UIUrthpact Innovations Dba Urthpact West | Lincoln | CA | — | ◇ UNVERIFIED |
| UCUSA Custom Apparel, LLC | Medina | OH | — | ◇ UNVERIFIED |
| ULUsaf Luke Air Force Base | Glendale | AZ | — | ◇ UNVERIFIED |
| UIUSA Inds | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UAU.s. Air Force 446th Airlift Wing | Joint Base Lewis Mcchord | WA | — | ◇ UNVERIFIED |
| UDUsalco/ Delta Chemical CORP | Ashtabula | OH | — | ◇ UNVERIFIED |
| ULUsalco Little Rock Plant, LLC | Little Rock | AR | — | ◇ UNVERIFIED |
| UMUsalco Michigan City Plant, LLC | Michigan City | IN | — | ◇ UNVERIFIED |
| UPUsalco Port Allen Plant LLC | Port Allen | LA | — | ◇ UNVERIFIED |
| ULUs&a, LLC | Belcamp | MD | — | ◇ UNVERIFIED |
| UMUSA Mold INC. | Newton | IA | — | ◇ UNVERIFIED |
| UPUSA Packaging LLC | Round Rock | TX | — | ◇ UNVERIFIED |
| URUSA Rebuilders | Hawthorne | CA | — | ◇ UNVERIFIED |
| URUSA Recycling & Excavation | Galesburg | IL | — | ◇ UNVERIFIED |
| UAU.s. Army Corps of Engineers | Pine Bluff | AR | — | ◇ UNVERIFIED |
| UAUS Army Garrison West Point | West Point | NY | — | ◇ UNVERIFIED |
| UAUS Army Iowa Army Ammunition Plant-american Ordnance LLC | Middletown | IA | — | ◇ UNVERIFIED |
| UAU.s. Army Kansas Army Ammunition Plant | Parsons | KS | — | ◇ UNVERIFIED |
| UAU.s. Army Louisiana Army Ammunition Plant | Doyline | LA | — | ◇ UNVERIFIED |
| UAUS Army National Guard at Midway Airport | Chicago | IL | — | ◇ UNVERIFIED |
| UAU.s. Army Redstone Arsenal | Redstone Arsenal | AL | — | ◇ UNVERIFIED |
| USUSA Stencils Inc. | Garden Grove | CA | — | ◇ UNVERIFIED |
| UAUS Auto Radiator Manufacturing CORP | Highland Park | MI | — | ◇ UNVERIFIED |
| UWUSA Waste (monroeville Landfill) | Monroeville | PA | — | ◇ UNVERIFIED |
| UBU.s. Bridge | Cambridge | OH | — | ◇ UNVERIFIED |
| UCU.S. Canvas & Awning Corp. | Houston | TX | — | ◇ UNVERIFIED |
| USU S Cast, Inc. | Elmer | NJ | — | ◇ UNVERIFIED |
| UCUS Chrome CORP of Pennsylvania | Norristown | PA | — | ◇ UNVERIFIED |
| UCUS Coating | Lakeville | MN | — | ◇ UNVERIFIED |
| ULUscoe Louisville Repair Sta | Louisville | KY | — | ◇ UNVERIFIED |
| UDU.s. Defense National Stockpile Center Point Pleasant Depot | Point Pleasant | WV | — | ◇ UNVERIFIED |
| UDU.s. Department of Labor-osha | Red Bud | IL | — | ◇ UNVERIFIED |
| UDUS Department of the Treasury | Oakland | CA | — | ◇ UNVERIFIED |
| UDU.s. Dept of Energy - Rfets | Arvada | CO | — | ◇ UNVERIFIED |
| UDU.s. Dept. of Navy | Cherry Point | NC | — | ◇ UNVERIFIED |
| UDU.s. Doe Central Training Facility Cns, LLC | Kingston | TN | — | ◇ UNVERIFIED |
| UDUS Doe Fermilab | Batavia | IL | — | ◇ UNVERIFIED |
| UDU.s. Doe Pinellas Plant | Largo | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha | York | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha | Cleveland | TX | — | ◇ UNVERIFIED |
| UOUsdol Osha - Andover | Waltham | MA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Andover | North Andover | MA | — | ◇ UNVERIFIED |
