| UDUnified Designs and Manufacturing | Alabaster | AL | — | ◇ UNVERIFIED |
| UMUnified Manufacturing INC | Valencia | CA | — | ◇ UNVERIFIED |
| USUnified Screen and Crushing - Wisconsin, INC. | New Richmond | WI | — | ◇ UNVERIFIED |
| USUnified Screening & Crushing | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UCUnion Corrugating | Ocala | FL | — | ◇ UNVERIFIED |
| UFUnique Fabrications, INC. | Shippenville | PA | — | ◇ UNVERIFIED |
| UMUnique Metal Products LLC | Eugene | OR | — | ◇ UNVERIFIED |
| UIUnison Industries LLC Plant 2 | Dayton | OH | — | ◇ UNVERIFIED |
| UIUnitech Industries, INC. | Palmerton | PA | — | ◇ UNVERIFIED |
| ULUnitech Lc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UOUnitech Ornamental Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| UBUnited Best Sheet Metal | Arcadia | CA | — | ◇ UNVERIFIED |
| UDUnited Duralume Products, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| UFUnited Fabrication | Salt Lake City | UT | — | ◇ UNVERIFIED |
| ULUnited Lifttrucks | Huntington Park | CA | — | ◇ UNVERIFIED |
| ULUnited Lighting Standards, INC. | Warren | MI | — | ◇ UNVERIFIED |
| UMUnited Machine Works | Houston | TX | — | ◇ UNVERIFIED |
| UMUnited Metal Fabrication INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| UMUnited Metals Construction | Philadelphia | PA | — | ◇ UNVERIFIED |
| UMUnited Metal Services | Houston | TX | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap of Minnesota | Burnsville | MN | — | ◇ UNVERIFIED |
| UMUnited Misc. & Ornamental Steel, Inc. | Union City | CA | — | ◇ UNVERIFIED |
| UPUnited Partition Systems Inc | Ontario | CA | — | ◇ UNVERIFIED |
| UPUnited Pipe Bending & Fabrication INC | Portland | OR | — | ◇ UNVERIFIED |
| USUnited Services INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| USUnited Sheet Metal Works and Steel Fabricators, INC. | Plant City | FL | — | ◇ UNVERIFIED |
| USUnited Spring Technology INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| USUnited Steel Works Inc | Moody | AL | — | ◇ UNVERIFIED |
| USUnited Structure Solution, Inc. | College Point | NY | — | ◇ UNVERIFIED |
| USUnited Support Solutions INC. | Totowa | NJ | — | ◇ UNVERIFIED |
| UTUnited Team Mechanical, LLC | Kaysville | UT | — | ◇ UNVERIFIED |
| UTUnited Tooler of Illinois | Loves Park | IL | — | ◇ UNVERIFIED |
| UWUnited Weld Services, LLC | York | PA | — | ◇ UNVERIFIED |
| UFUnivacco Foils Corporation | Cerritos | CA | — | ◇ UNVERIFIED |
| UCUniversal Carbide | Santa Cruz | CA | — | ◇ UNVERIFIED |
 Universal Compressor Solutions LLC | Mayfield | KY | — | ◇ UNVERIFIED |
| UDUniversal Dust Collector Mfg & Supply CORP Dba Udc Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| UFUniversal Fabricating and Construction Services | Groveport | OH | — | ◇ UNVERIFIED |
| UFUniversal Fabricators INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| UFUniversal Fabricators, LLC | Bay City | TX | — | ◇ UNVERIFIED |
| UFUniversal Fireproof Door Co., Inc. | Brentwood | NY | — | ◇ UNVERIFIED |
| UIUniversal Industries LLC | Tomahawk | WI | — | ◇ UNVERIFIED |
| UIUniversal Iron Works, INC | Pacoima | CA | — | ◇ UNVERIFIED |
| UMUniversal Machine Shop LLC | Mayfield | KY | — | ◇ UNVERIFIED |
| UMUniversal Manufacturing & Design, LLC | Greer | SC | — | ◇ UNVERIFIED |
| UMUniversal Marine & Industrial Services | Mobile | AL | — | ◇ UNVERIFIED |
| UMUniversal Molding Extrusion CO | Downey | CA | — | ◇ UNVERIFIED |
| URUniversal Roll Forming INC | Lindon | UT | — | ◇ UNVERIFIED |
| USUniversal Sheetmetal INC | Woodinville | WA | — | ◇ UNVERIFIED |
| USUniversal Stainless INC | Clear Lake | MN | — | ◇ UNVERIFIED |
| USUniversal Steel Services, INC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| UTUniversal Tool Inc. | Troy | MI | — | ◇ UNVERIFIED |
| UTUniversal Truck Equipments LLC | Medley | FL | — | ◇ UNVERIFIED |
| UWUniversal Welding & Fabrication INC. | North Pole | AK | — | ◇ UNVERIFIED |
| UIUnlimited Image INC | Burnsville | MN | — | ◇ UNVERIFIED |
| UIUnlimited Industrial Services, LLC | Belle Glade | FL | — | ◇ UNVERIFIED |
| USUpcycle Solutions, Inc. | Londonderry | NH | — | ◇ UNVERIFIED |
| UEUpper Edge Solutions, LLC | Holland | NY | — | ◇ UNVERIFIED |
| USUpton Sheet Metal, Inc. | Anaheim | CA | — | ◇ UNVERIFIED |
| UTUSA Today National Rack Center | Murfreesboro | TN | — | ◇ UNVERIFIED |
| UCUS Chemical Storage Plant 2 | Wilkesboro | NC | — | ◇ UNVERIFIED |
| UDU.s. Department of the Treasury - U.s. Mint | San Francisco | CA | — | ◇ UNVERIFIED |
| UUsdol | Lubbock | TX | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | York Haven | PA | — | ◇ UNVERIFIED |
| UWUsdol-osha-atlanta West | Mableton | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Marietta | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Rome | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Rossville | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Dalton | GA | — | ◇ UNVERIFIED |
| UDUS Dol Osha Bridgeport | Madison | CT | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Xenia | OH | — | ◇ UNVERIFIED |
| UOUsdol Osha - Ft. Lauderdale Ao | Hialeah | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha - Ft. Lauderdale Ao | Homestead | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha - (mobile) | Geneva | AL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Sterling | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Lombard | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha - St. Louis Area Office | Maryland Heights | MO | — | ◇ UNVERIFIED |
| UOUsdol Osha - Tampa Ao | Tampa | FL | — | ◇ UNVERIFIED |
| UIUsg Interiors LLC | Stockton | CA | — | ◇ UNVERIFIED |
| UNUS Naval Weapons Station Yorktown - Cheatham Annex | Yorktown | VA | — | ◇ UNVERIFIED |
| ULUsnr, LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| UMUsr Metals, INC. | — | PA | — | ◇ UNVERIFIED |
| UGUssc Group INC | Exton | PA | — | ◇ UNVERIFIED |
| UHUssc Holding Corp/exton | Exton | PA | — | ◇ UNVERIFIED |
| USU.S. Screen Co. | Wellington | OH | — | ◇ UNVERIFIED |
| UWUS Web Converting Machinery CORP | Paxinos | PA | — | ◇ UNVERIFIED |
| UBUtah Barricade Company | Boise | ID | — | ◇ UNVERIFIED |
| USUtah Sheet Metal LLC | Orem | UT | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems | Colorado Springs | CO | — | ◇ UNVERIFIED |
| VMVacom Montana INC | Lewistown | MT | — | ◇ UNVERIFIED |
| VMVahterus Manufacturing INC. | Westmoreland City | PA | — | ◇ UNVERIFIED |
| VSValencia Sheet Metal, INC. | Pacoima | CA | — | ◇ UNVERIFIED |
| VEValicor Environmental Services | Memphis | TN | — | ◇ UNVERIFIED |
| VCValiern Company | Englewood | CO | — | ◇ UNVERIFIED |
| VCValley Custom Iron Works LLC | Harlingen | TX | — | ◇ UNVERIFIED |
| VMValley Manufacturing Co., INC. | Wellsburg | WV | — | ◇ UNVERIFIED |
| VSValley Sheetmetal & fabrication LLC | Cheyenne | WY | — | ◇ UNVERIFIED |
| VSValley Stainless Incorporated | Eugene | OR | — | ◇ UNVERIFIED |
| VSValley Storm Shelters, LLC | Scottsboro | AL | — | ◇ UNVERIFIED |
