 Trinity Tool & Manufacturing LLC | Brookfield | WI | — | ◇ UNVERIFIED |
| Trinity Tool & Manufacturing LLC | Jackson | WI | — | ◇ UNVERIFIED |
| TTTrinity Tools INC | North Tonawanda | NY | — | ◇ UNVERIFIED |
| TETrio Engineering INC | Panorama City | CA | — | ◇ UNVERIFIED |
| TITriton Industries, INC. | Newport News | VA | — | ◇ UNVERIFIED |
| TSTriumph Structures Kansas City | Edgerton | KS | — | ◇ UNVERIFIED |
| TTTri-v Tool & Mfg. CO | Omaha | NE | — | ◇ UNVERIFIED |
| TDTroy Design & Mfg CO | Warren | MI | — | ◇ UNVERIFIED |
| TLTru-cut LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TMTruly Magic Products INC | Buffalo | NY | — | ◇ UNVERIFIED |
| TITru-Position, Inc. | Slinger | WI | — | ◇ UNVERIFIED |
| TATrw Automotive - Machine Bldg Division | Winona | MN | — | ◇ UNVERIFIED |
| TATrw Automotive US LLC | Atkins | VA | — | ◇ UNVERIFIED |
| TCTwin City Tool & Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| UIUltra-mek INC | Denton | NC | — | ◇ UNVERIFIED |
| UPUltra Polishing, INC. | Schaumburg | IL | — | ◇ UNVERIFIED |
| UCUnaka CO INC the | Greeneville | TN | — | ◇ UNVERIFIED |
| UPUnipunch Products, INC. | Clear Lake | WI | — | ◇ UNVERIFIED |
| UFUnique Fabricating INC. South | La Fayette | GA | — | ◇ UNVERIFIED |
| UPUnique Precision Industries | Temecula | CA | — | ◇ UNVERIFIED |
| UMUnited Mold | Sacramento | CA | — | ◇ UNVERIFIED |
| USUnited Solar Ovonic | Auburn Hills | MI | — | ◇ UNVERIFIED |
| USUnited States Associates, LLC | Providence | RI | — | ◇ UNVERIFIED |
| USUnited States Mint at San Francisco | San Francisco | CA | — | ◇ UNVERIFIED |
| UMUniversal Metal Products | Pemberville | OH | — | ◇ UNVERIFIED |
| VPValco Planer Wrks, INC Dba,valco Precisi | Huntington Park | CA | — | ◇ UNVERIFIED |
| VCValor Company Dba Creative Tool - Engineering | Belle Plaine | MN | — | ◇ UNVERIFIED |
| VCVanam Custom Manufacturing | Saint Joseph | MO | — | ◇ UNVERIFIED |
| VEVandal Engineering INC | Tustin | CA | — | ◇ UNVERIFIED |
| VDVan Dies Engineering, Inc. | Fraser | MI | — | ◇ UNVERIFIED |
| VMVaughn Manufacturing CO INC | Nashville | TN | — | ◇ UNVERIFIED |
| VMVc Machine and Fabrication LLC | Bluffton | IN | — | ◇ UNVERIFIED |
| VDVeital Designs LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| VIVersevo Inc. | Hartland | WI | — | ◇ UNVERIFIED |
| VIVicount Industries INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| VIVoseworks INC. | Northglenn | CO | — | ◇ UNVERIFIED |
 Votaw Precision Technologies INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| WIWabanica INC | Baudette | MN | — | ◇ UNVERIFIED |
| WIWainwright Industries, Incorporated | Kansas City | MO | — | ◇ UNVERIFIED |
| WCWalker Corporation | Ontario | CA | — | ◇ UNVERIFIED |
| WBWallin Brothers INC | Livonia | MI | — | ◇ UNVERIFIED |
| WMWastequip Manufacturing Company | Arvada | CO | — | ◇ UNVERIFIED |
| WTWauconda Tool & Engineering CO INC | Elgin | IL | — | ◇ UNVERIFIED |
| WTWeatherford Tool Die INC | Nashville | TN | — | ◇ UNVERIFIED |
| WPWeber-stephen Products CO Palatine Building 200 | Palatine | IL | — | ◇ UNVERIFIED |
| WTWeb Tool Mfg INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| WFWestern Forge Die | Huntington Beach | CA | — | ◇ UNVERIFIED |
| WMWestern Metals Recycling - Slc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| WSWestern Supplies CO. | Saint Louis | MO | — | ◇ UNVERIFIED |
| WCWestgate Cleaning Village/connellsville | Connellsville | PA | — | ◇ UNVERIFIED |
