| TCTimken CO Gambrinus Roller Plant | Canton | OH | — | ◇ UNVERIFIED |
| TCTimken Company - Tyger River | Union | SC | — | ◇ UNVERIFIED |
| TCTimken CO Shiloh Bearing Plant | Rutherfordton | NC | — | ◇ UNVERIFIED |
| TGTimkens Gears and Services | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| TSTimken Standard Plant | Torrington | CT | — | ◇ UNVERIFIED |
| TPTinnerman Palnut Engineerer Products | Mountainside | NJ | — | ◇ UNVERIFIED |
| TFTN Fastener LLC | Clarksville | TN | — | ◇ UNVERIFIED |
| TMTnn Manufacturing | Houston | TX | — | ◇ UNVERIFIED |
| TGToledo Gear Motor | Sylvania | OH | — | ◇ UNVERIFIED |
| TMTolin Mechanical Systems Company | Colorado Springs | CO | — | ◇ UNVERIFIED |
| TATopura America Fastener, INC. | Richardsville | KY | — | ◇ UNVERIFIED |
| TCTorrington CO | Rockford | IL | — | ◇ UNVERIFIED |
| TCTorrington CO Standard Plant | Torrington | CT | — | ◇ UNVERIFIED |
| TATowards Aviation | Victorville | CA | — | ◇ UNVERIFIED |
| THTramec Hill Fastener, LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| TSTransfluid Services, INC. | Santa Nella | CA | — | ◇ UNVERIFIED |
| TITrimble INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation | Milpitas | CA | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited | Englewood | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation Limited INC | Broomfield | CO | — | ◇ UNVERIFIED |
| TNTrimble Navigation LTD | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TFTriumph Fabrications - San Diego | El Cajon | CA | — | ◇ UNVERIFIED |
| THTroy Hill Industrial Park - Ngsc Msat3 | Elkridge | MD | — | ◇ UNVERIFIED |
| TNTrue North Apartment Building | Seattle | WA | — | ◇ UNVERIFIED |
| TTTru-line Tool and Manufacturing Company INC | Eagleville | TN | — | ◇ UNVERIFIED |
| TETrw Electromagnetic Systems | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TSTrw Systems Integration Group | Sunnyvale | CA | — | ◇ UNVERIFIED |
| TATsubaki Atr LLC | Santa Ana | CA | — | ◇ UNVERIFIED |
| TCTwin City Gear | Blaine | MN | — | ◇ UNVERIFIED |
| TTTyger Tool | Stratford | CT | — | ◇ UNVERIFIED |
| TBTyson Bearing Company INC | Glasgow | KY | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems | Braintree | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics Ocean Systems INC | Quincy | MA | — | ◇ UNVERIFIED |
| UEUltra Electronics - Ussi | Columbia City | IN | — | ◇ UNVERIFIED |
| URUmc Retech - Former Site of | Algona | IA | — | ◇ UNVERIFIED |
 Undersea Sensor Systems, INC. | Columbia City | IN | — | ◇ UNVERIFIED |
| UBUnited Bolt & Screw CORP | Dearborn | MI | — | ◇ UNVERIFIED |
| ULUnited Launch Alliance LLC | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UPUnited Paradyne Corporation | Vandenberg Afb | CA | — | ◇ UNVERIFIED |
| UTUnited Technologies Corporation Dba Atlantic Inertial Systems | Heath | OH | — | ◇ UNVERIFIED |
 Universal Avionics Systems CORP Willows | Redmond | WA | — | ◇ UNVERIFIED |
| UBUniversal Bearing LLC - Plant # 2 | Bremen | IN | — | ◇ UNVERIFIED |
| UMUniversal Motion Components INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| URUniversal Rivet INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| UPUniversity Park Real Estate LLC | Posen | IL | — | ◇ UNVERIFIED |
| UIUnytite INC | Peru | IL | — | ◇ UNVERIFIED |
| UNUrsa Navigation Solutions, Inc. | North Billerica | MA | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Loves Park | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Savanna | IL | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Rockford | IL | — | ◇ UNVERIFIED |
| UNU.s. Navy Combat System Engineering Development Site | Moorestown | NJ | — | ◇ UNVERIFIED |
| UAUtc Aerospace Systems - Eagan | Eagan | MN | — | ◇ UNVERIFIED |
| ULUtiliquest LLC | Beltsville | MD | — | ◇ UNVERIFIED |
| VIVaisala INC. | Woburn | MA | — | ◇ UNVERIFIED |
| VIVaisala, INC | Kodiak | AK | — | ◇ UNVERIFIED |
| VAVal Avionics LTD | Salem | OR | — | ◇ UNVERIFIED |
| VFValley Fastener Group LLC | Aurora | IL | — | ◇ UNVERIFIED |
| VIValley-todeco, INC | Sylmar | CA | — | ◇ UNVERIFIED |
| VVValley View Energy Storage Project | Jessup, Borough of | PA | — | ◇ UNVERIFIED |
| VGVamp Global Solutions LLC | Trenton | MI | — | ◇ UNVERIFIED |
| VGVan Gorp CORP | Pella | IA | — | ◇ UNVERIFIED |
| VZVan Zeeland Manufacturing INC | Little Chute | WI | — | ◇ UNVERIFIED |
| VAVazquez Auto Electric | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| VAVenture Aero Bearings | Ladson | SC | — | ◇ UNVERIFIED |
| VTVictor Tool Co., INC. | Meriden | CT | — | ◇ UNVERIFIED |
| VBVimont Brothers LLC | Darien | IL | — | ◇ UNVERIFIED |
| VIVisioneering INC | Fraser | MI | — | ◇ UNVERIFIED |
| VCVogelsang Corporation | Mount Sterling | KY | — | ◇ UNVERIFIED |
| VVoi-shan/chatsworth | Chatsworth | CA | — | ◇ UNVERIFIED |
| WTWa317947476 - Trufab LLC | Shelton | WA | — | ◇ UNVERIFIED |
| WMWa317947659 - Moxee Innovations CORP | Yakima | WA | — | ◇ UNVERIFIED |
| WAWa317947827 - Afab Enterprises LLC | Anacortes | WA | — | ◇ UNVERIFIED |
| WHWa317948263 - Honeywell International | Renton | WA | — | ◇ UNVERIFIED |
| WFWallen's Furniture | Greeneville | TN | — | ◇ UNVERIFIED |
| WEWard Engineering INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| WSWards Science | Rochester | NY | — | ◇ UNVERIFIED |
| WIWarner Industrial | Fort Bragg | NC | — | ◇ UNVERIFIED |
| WIWeartech International INC | Anaheim | CA | — | ◇ UNVERIFIED |
| WEWeasler Engineering, INC. | West Bend | WI | — | ◇ UNVERIFIED |
| WAWeber Automotive | Auburn Hills | MI | — | ◇ UNVERIFIED |
| WSWeir Slurry Group, INC. | Oak Creek | WI | — | ◇ UNVERIFIED |
| WCWest Coast Aerospace INC | Wilmington | CA | — | ◇ UNVERIFIED |
| WCWest Coast Manufacturing, Inc. | Stanton | CA | — | ◇ UNVERIFIED |
| WCWest Coast Washers INC | Salem | OR | — | ◇ UNVERIFIED |
| WHWheelabrator Hudson Energy CO INC | Anderson | CA | — | ◇ UNVERIFIED |
| WIWhitesell Intl CORP | Waterford | MI | — | ◇ UNVERIFIED |
 Williamsrdm, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| WLWinchester/useco Litton Sys | Van Nuys | CA | — | ◇ UNVERIFIED |
| WPWinsted Precision Ball CO | Winsted | CT | — | ◇ UNVERIFIED |
| WSW & S Company LLC | Dowagiac | MI | — | ◇ UNVERIFIED |
| WWW W Service INC. | Norwalk | CA | — | ◇ UNVERIFIED |
| WIWyandotte Industries | Wyandotte | MI | — | ◇ UNVERIFIED |
| YPYillik Precision Carbides | Ontario | CA | — | ◇ UNVERIFIED |
| ZFZip Fasteners Products, INC. | Rockford | IL | — | ◇ UNVERIFIED |
