| TFTube Fab Roman Engineering CO INC | Afton | MI | — | ◇ UNVERIFIED |
| TFTube Forgings of America INC | Portland | OR | — | ◇ UNVERIFIED |
 Tube Processing Corporation | Southport | IN | — | ◇ UNVERIFIED |
| TPTube Products Corporation | Burnsville | MN | — | ◇ UNVERIFIED |
| TITubes, INC | Geismar | LA | — | ◇ UNVERIFIED |
| TSTube Solutions | Costa Mesa | CA | — | ◇ UNVERIFIED |
| TMTubesource Manufacturing INC | Ferndale | MI | — | ◇ UNVERIFIED |
| TSTube Specialties Co., INC. | Statesville | NC | — | ◇ UNVERIFIED |
| TLTubespec, LLC | Belle Chasse | LA | — | ◇ UNVERIFIED |
| TCTubodyne CO | East Providence | RI | — | ◇ UNVERIFIED |
| TSTubular Solutions | Houston | TX | — | ◇ UNVERIFIED |
| TSTubular Solutions INC | Portland | OR | — | ◇ UNVERIFIED |
| TMTucker's Machine and Steel Service INC. | Leesburg | FL | — | ◇ UNVERIFIED |
| T2Tuffy 25733 Road H - Cortez | Cortez | CO | — | ◇ UNVERIFIED |
| TMTujays Machine Works, INC. | Houston | TX | — | ◇ UNVERIFIED |
| TMTulsa Metal Finishers, INC. | Sand Springs | OK | — | ◇ UNVERIFIED |
| TSTurbo Sales - Fabrication, INC. | Southport | NC | — | ◇ UNVERIFIED |
| TSTurbo Systems Incorporated | Kings Mountain | NC | — | ◇ UNVERIFIED |
| TCTurner Coatings INC. | Mulberry | FL | — | ◇ UNVERIFIED |
| TETurner Envirologic, INC. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| TITurner Industries | Pasadena | TX | — | ◇ UNVERIFIED |
| TITurner Industries Group Paris Plant | Paris | TX | — | ◇ UNVERIFIED |
| TTurnkey-corrections | Prescott | WI | — | ◇ UNVERIFIED |
| TSTurnkey-Industrial Services LLC | West Unity | OH | — | ◇ UNVERIFIED |
| TMTuttie's Machine and Supplies INC | New Iberia | LA | — | ◇ UNVERIFIED |
| TMTuttie's Machine and Supply, INC. | New Iberia | LA | — | ◇ UNVERIFIED |
| TBTuttle Bronze and Aluminum INC | Fishers | IN | — | ◇ UNVERIFIED |
| TITvm, INC. Dba Valley Metal Fabricators | Muscle Shoals | AL | — | ◇ UNVERIFIED |
| TCTwin City Designs Llc | Provo | UT | — | ◇ UNVERIFIED |
| TETwin Eagles LTD | Minden | NV | — | ◇ UNVERIFIED |
| TITwisted Iron Fabrication LLC | Freedom | PA | — | ◇ UNVERIFIED |
| TSTwistedsage Studios, Inc. | Buffalo Gap | SD | — | ◇ UNVERIFIED |
| TSTwistedsage Studios, Inc. | Buffalo Gap | SD | — | ◇ UNVERIFIED |
| TRTwm Racing Products, INC. | Ball | LA | — | ◇ UNVERIFIED |
| TDTwo Dogs Fabricating, LLC | Medford | OR | — | ◇ UNVERIFIED |
| TSTX Shade Sails, LLC | Irving | TX | — | ◇ UNVERIFIED |
| TFTyco Fire & Building Products | Lubbock | TX | — | ◇ UNVERIFIED |
| TMTYCO Metal Works, LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| TFTycoon Fabrication LLC | Seneca | SC | — | ◇ UNVERIFIED |
| TCTyler Camera Systems | Van Nuys | CA | — | ◇ UNVERIFIED |
| UPUlrich Process Piping, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
| UMUlseth Machining & Manufacturing, INC. | Bradford | TN | — | ◇ UNVERIFIED |
| UIUltra Industries INC | Wyoming | MN | — | ◇ UNVERIFIED |
| UMUltra Machining Company | Monticello | MN | — | ◇ UNVERIFIED |
| UPUltra Premium Oilfield Services | Odessa | TX | — | ◇ UNVERIFIED |
| USUltra Sonic Deburring of N Ca INC Dba Coast Metal Cutting | Redwood City | CA | — | ◇ UNVERIFIED |
| UPUnderground Products, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| UIUneeda Iron & Sandblasting INC | Mukwonago | WI | — | ◇ UNVERIFIED |
| UIUni-American Investment Group, LLC | Sugar Land | TX | — | ◇ UNVERIFIED |
| UIUni-fab Industries INC | Milpitas | CA | — | ◇ UNVERIFIED |
| UDUnified Design & Manufacturing, INC. | Alabaster | AL | — | ◇ UNVERIFIED |
| UDUnified Designs and Manufacturing | Alabaster | AL | — | ◇ UNVERIFIED |
| USUnified Screen and Crushing - Wisconsin, INC. | New Richmond | WI | — | ◇ UNVERIFIED |
| USUnified Screening & Crushing | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UFUnique Fabrications, INC. | Shippenville | PA | — | ◇ UNVERIFIED |
| UIUnitech Industries, INC. | Palmerton | PA | — | ◇ UNVERIFIED |
| UOUnitech Ornamental Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| UCUnited Casing Tubular Services | Midland | TX | — | ◇ UNVERIFIED |
| UCUnited Casing Tubular Services Sheldon Road | Houston | TX | — | ◇ UNVERIFIED |
| UDUnited Duralume Products, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
 United Fiberglass of America INC (0812100565) | Springfield | OH | — | ◇ UNVERIFIED |
| ULUnited Lifttrucks | Huntington Park | CA | — | ◇ UNVERIFIED |
| UMUnited Machine Works | Houston | TX | — | ◇ UNVERIFIED |
| UMUnited Metal Fabrication INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| UMUnited Metals Construction | Philadelphia | PA | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap LLC | Burnsville | MN | — | ◇ UNVERIFIED |
| UMUnited Milwaukee Scrap of Minnesota | Burnsville | MN | — | ◇ UNVERIFIED |
| USUnited Services INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| USUnited Sheet Metal Works and Steel Fabricators, INC. | Plant City | FL | — | ◇ UNVERIFIED |
| USUnited Sprinkler INC | Rush City | MN | — | ◇ UNVERIFIED |
| USUnited States Pipe and Foundry Company LLC | Rogers | MN | — | ◇ UNVERIFIED |
| USUnited States Pipe and Foundry Company, LLC | — | IL | — | ◇ UNVERIFIED |
| USUnited Steel Works Inc | Moody | AL | — | ◇ UNVERIFIED |
| USUnited Structure Solution, Inc. | College Point | NY | — | ◇ UNVERIFIED |
| UTUnited Tooler of Illinois | Loves Park | IL | — | ◇ UNVERIFIED |
| UTUnited Tube Bending | Montclair | CA | — | ◇ UNVERIFIED |
| UFUnivacco Foils Corporation | Cerritos | CA | — | ◇ UNVERIFIED |
| UCUniversal Carbide | Santa Cruz | CA | — | ◇ UNVERIFIED |
| UFUniversal Fabricating and Construction Services | Groveport | OH | — | ◇ UNVERIFIED |
| UFUniversal Fabricators, LLC | Bay City | TX | — | ◇ UNVERIFIED |
| UFUniversal Fireproof Door Co., Inc. | Brentwood | NY | — | ◇ UNVERIFIED |
| UIUniversal Industries LLC | Tomahawk | WI | — | ◇ 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 |
| 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 Industrial Services, LLC | Belle Glade | FL | — | ◇ UNVERIFIED |
| UEUpper Edge Solutions, LLC | Holland | NY | — | ◇ UNVERIFIED |
| UTUSA Today National Rack Center | Murfreesboro | TN | — | ◇ UNVERIFIED |
| UDU.s. Department of the Treasury - U.s. Mint | San Francisco | CA | — | ◇ UNVERIFIED |
| UUsdol | Lubbock | TX | — | ◇ UNVERIFIED |
| UOUsdol Osha | Cleveland | TX | — | ◇ UNVERIFIED |
| UWUsdol-osha-atlanta West | Mableton | GA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Xenia | OH | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Sterling | IL | — | ◇ UNVERIFIED |
