| TTTyco Thermal Controls | Menlo Park | CA | — | ◇ UNVERIFIED |
| TPT.y.g. Products, L.p. | Mckinney | TX | — | ◇ UNVERIFIED |
| TLTyler Livvix Dba Custom Films, INC. | Marshall | IL | — | ◇ UNVERIFIED |
| UFUct Fremont | Fremont | CA | — | ◇ UNVERIFIED |
| UDUfo Design | Huntington Beach | CA | — | ◇ UNVERIFIED |
| UMUltimate Metal Finishing CORP. | Commerce | CA | — | ◇ UNVERIFIED |
| UWUltimate Window INC. | Lawrence | MA | — | ◇ UNVERIFIED |
| UAUltra Acrylics INC | Andover | MN | — | ◇ UNVERIFIED |
| UGUltra Glas of Lakeville Incorporated | Lakeville | IN | — | ◇ UNVERIFIED |
| UMUltra Manufacturers LLC | Elkhorn | WI | — | ◇ UNVERIFIED |
| ULUltrapak, LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
| UAUltrapro Air Tite Ma | North Adams | MA | — | ◇ UNVERIFIED |
| USUltra Seal INC | Bridgman | MI | — | ◇ UNVERIFIED |
| UDUltra-sonic De-burring CO of NA Ca INC Dba Coast Metal Cutting | San Jose | CA | — | ◇ UNVERIFIED |
| UIUmt International LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| UIUnbranded INC | Paramount | CA | — | ◇ UNVERIFIED |
| UCUncommon Cabinetry Incorporated | Corvallis | OR | — | ◇ UNVERIFIED |
| UPUnicorr Packaging Group | North Haven | CT | — | ◇ UNVERIFIED |
| UIUni-fab Industries INC | Mountain House | CA | — | ◇ UNVERIFIED |
| UFUnified Field Services Corporation | Bakersfield | CA | — | ◇ UNVERIFIED |
| UCUnique Coatings, INC. | High Point | NC | — | ◇ UNVERIFIED |
| UPUnique Plastic Designs Group LLC | Odessa | FL | — | ◇ UNVERIFIED |
| UWUnique Woodworks | Lincoln | NE | — | ◇ UNVERIFIED |
| UTUniroyal Tech CORP Royalite T | Redlands | CA | — | ◇ UNVERIFIED |
| UPUnistar Plastics LLC | Harahan | LA | — | ◇ UNVERIFIED |
| UCUnited Comb & Novelty Corporation | Gilbert | AZ | — | ◇ UNVERIFIED |
| UIUnited Industries, LLC | Windsor | NY | — | ◇ UNVERIFIED |
 United Plastic Fabricating, INC. | Ocala | FL | — | ◇ UNVERIFIED |
 United Rotary Brush Corporation | Lenexa | KS | — | ◇ UNVERIFIED |
| USUnited Solutions | Sardis | MS | — | ◇ UNVERIFIED |
| USUnited States Can Company | Chesterton | IN | — | ◇ UNVERIFIED |
| USUnited States Marble | Remus | MI | — | ◇ UNVERIFIED |
| UWUnited Woodworking INC | Schaumburg | IL | — | ◇ UNVERIFIED |
| UPUnity Plastics | North Little Rock | AR | — | ◇ UNVERIFIED |
| USUnivar Solutions USA INC. | Providence | RI | — | ◇ UNVERIFIED |
| UCUniversal Custom Display | Tucson | AZ | — | ◇ UNVERIFIED |
| UGUniversal Galvanizing | Wright City | MO | — | ◇ UNVERIFIED |
| UGUniversal Gates & Hardware INC | Midvale | UT | — | ◇ UNVERIFIED |
| UIUniversal Industrial Finishing | Fremont | CA | — | ◇ UNVERIFIED |
| UIUniversal Industrial Finishing | Milpitas | CA | — | ◇ UNVERIFIED |
| UIUniversal Industries INC | Manor | TX | — | ◇ UNVERIFIED |
| UPUniversal Powder Coating | Belmont | CA | — | ◇ UNVERIFIED |
| UPUniversal Powder Coatings | Ward | AR | — | ◇ UNVERIFIED |
| UPUniversal Protective Packaging, INC. | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| UIUni-Vue, Inc. | Troy | MI | — | ◇ UNVERIFIED |
| UIUniweb INC | Orange | CA | — | ◇ UNVERIFIED |
| UIUniweb Incorporated | Corona | CA | — | ◇ UNVERIFIED |
| UIUnlimited Inovations INC. | Plattsmouth | NE | — | ◇ UNVERIFIED |
