| UIUltramitre INC | Burbank | CA | — | ◇ UNVERIFIED |
| UPUltra Plating CORP | Green Bay | WI | — | ◇ UNVERIFIED |
| UPUltra Polishing, INC. | Schaumburg | IL | — | ◇ UNVERIFIED |
| UAUltrapro Air Tite Ma | North Adams | MA | — | ◇ UNVERIFIED |
| UIUltraquip International Dba Uq-power | Stockton | CA | — | ◇ UNVERIFIED |
| USUltra Sonic Deburring of N Ca INC Dba Coast Metal Cutting | Redwood City | CA | — | ◇ UNVERIFIED |
| USUltra Specialties Incorporated | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| UTUltra Tool and Manufacturing, Inc. | Rochester | NY | — | ◇ UNVERIFIED |
| UTUltra Tool Company LLC | Howell | MI | — | ◇ UNVERIFIED |
| UIUltrax INC | Lees Summit | MO | — | ◇ UNVERIFIED |
| UCUnaka CO INC the | Greeneville | TN | — | ◇ UNVERIFIED |
| UPUnder Pressure Systems LLC | New Philadelphia | OH | — | ◇ UNVERIFIED |
| ULUnderthesuninserts, LLC | Patchogue | NY | — | ◇ UNVERIFIED |
| UIUneeda Iron & Sandblasting INC | Mukwonago | WI | — | ◇ UNVERIFIED |
| UIUni-American Investment Group, LLC | Sugar Land | TX | — | ◇ UNVERIFIED |
| UAUnical Aero INC | City of Industry | CA | — | ◇ UNVERIFIED |
| UMUnico Mechanical Corporation | Benicia | CA | — | ◇ UNVERIFIED |
| USUnico Services INC | Benicia | CA | — | ◇ UNVERIFIED |
| UCUnifab Corporation | Kalamazoo | MI | — | ◇ UNVERIFIED |
| UIUni-fab Industries INC | Milpitas | CA | — | ◇ UNVERIFIED |
| UIUni-fab Industries INC | Fremont | 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 |
| UIUnimatic INC | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| UIUnimatic INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| UOUniparts Olsen, INC. | — | IA | — | ◇ UNVERIFIED |
| UUUnipres U.s.a., INC. | Smyrna | TN | — | ◇ UNVERIFIED |
| UPUnipunch Products, INC. | Clear Lake | WI | — | ◇ UNVERIFIED |
| UAUnique Airmotive | Rock Hill | SC | — | ◇ UNVERIFIED |
| UFUnique Fabricating INC. South | La Fayette | GA | — | ◇ UNVERIFIED |
| UFUnique Fabrications, INC. | Shippenville | PA | — | ◇ UNVERIFIED |
| UMUnique Machine & Tool | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| UMUnique Metal Fabrication INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| UPUnique Plastic Designs Group LLC | Odessa | FL | — | ◇ UNVERIFIED |
| UPUnique Precision Industries | Temecula | CA | — | ◇ UNVERIFIED |
| UPUnistar Plastics LLC | Harahan | LA | — | ◇ UNVERIFIED |
| UIUnitech Industries INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| UIUnitech Industries, INC. | Palmerton | PA | — | ◇ UNVERIFIED |
| ULUnitech Lc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UOUnitech Ornamental Metal Works | Hialeah | FL | — | ◇ UNVERIFIED |
| UAUnited Airlines, INC. | Newark | NJ | — | ◇ UNVERIFIED |
| UBUnited Best Sheet Metal | Arcadia | CA | — | ◇ UNVERIFIED |
| UBUnited Bolt & Screw CORP | Dearborn | MI | — | ◇ UNVERIFIED |
| UCUnited Carbide LLC | Sheboygan | WI | — | ◇ UNVERIFIED |
| UCUnited Coatings INC | Sedro Woolley | WA | — | ◇ UNVERIFIED |
| UCUnited Coatings Plus | Virginia Beach | VA | — | ◇ UNVERIFIED |
| UCUnited Comb & Novelty Corporation | Gilbert | AZ | — | ◇ UNVERIFIED |
| UDUnited Duralume Products, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| UFUnited Fasteners Drilling INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| UIUnited Industries, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| ULUnited Lifttrucks | Huntington Park | CA | — | ◇ UNVERIFIED |
| UMUnited Machine Works | Houston | TX | — | ◇ UNVERIFIED |
| UMUnited Machining, Inc | Sutton | MA | — | ◇ UNVERIFIED |
| UMUnited Machining, INC. | Englewood | CO | — | ◇ UNVERIFIED |
| UMUnited Mechanical & Metal Fabricators, Inc. | Union City | CA | — | ◇ UNVERIFIED |
| UMUnited Metal Fabrication INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| UMUnited Metal Finishing INC. | Greensboro | NC | — | ◇ 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 Mold | Sacramento | CA | — | ◇ UNVERIFIED |
| UPUnited Performance Metals | La Mirada | CA | — | ◇ UNVERIFIED |
 United Plastic Fabricating, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| URUnited Rentals | San Jose | CA | — | ◇ UNVERIFIED |
| USUnited Scientific INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| USUnited Services INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| USUnited Sheet Metal Works and Steel Fabricators, INC. | Plant City | FL | — | ◇ UNVERIFIED |
| USUnited Solutions | Sardis | MS | — | ◇ UNVERIFIED |
| USUnited Spring & Mfg. Co. | Chicago | IL | — | ◇ UNVERIFIED |
| USUnited States Associates, LLC | Providence | RI | — | ◇ UNVERIFIED |
| USUnited States Marble | Remus | MI | — | ◇ UNVERIFIED |
| USUnited Steel Ventures INC Dba United Precision Mac | Edina | MN | — | ◇ 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 |
| UTUnited Tool & Mold INC | Duncan | SC | — | ◇ UNVERIFIED |
| UWUnited Weld Services, LLC | York | PA | — | ◇ UNVERIFIED |
| UFUnity Fabric INC. Dba Yc Textile | Los Angeles | CA | — | ◇ UNVERIFIED |
| UPUnity Plastics | North Little Rock | AR | — | ◇ UNVERIFIED |
| UTUnity Tool INC Dba Unity Precision Manufacturing | Maple Grove | MN | — | ◇ UNVERIFIED |
| UFUnivacco Foils Corporation | Cerritos | CA | — | ◇ UNVERIFIED |
| USUnivar Solutions USA INC. | Providence | RI | — | ◇ UNVERIFIED |
| UUniversal | Cloverdale | VA | — | ◇ UNVERIFIED |
| UAUniversal Auto Repairs Services LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| UCUniversal Carbide | Santa Cruz | CA | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UCUniversal Cargo Doors & Service, INC. | Miami | FL | — | ◇ UNVERIFIED |
| UCUniversal Core INC Dba As Rpm Rebuilders | Rialto | CA | — | ◇ UNVERIFIED |
| UDUniversal / Devlieg Inc. | Saginaw | MI | — | ◇ 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 |
| UFUniversal Formations INC | Burnsville | MN | — | ◇ UNVERIFIED |
