| TFThompson Fabricated Steel Products, INC. | Trussville | AL | — | ◇ UNVERIFIED |
| TSThompson Steel CO INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| TTimet | Vallejo | CA | — | ◇ UNVERIFIED |
| TCTimminco Corporation (was Dow Chemical) | Aurora | CO | — | ◇ UNVERIFIED |
| TMTitanium Metals CORP | East Windsor | CT | — | ◇ UNVERIFIED |
| TMTitanium Metals Corporation | Exton | PA | — | ◇ UNVERIFIED |
| TMTitanium Metals Corporation | Millwood | WV | — | ◇ UNVERIFIED |
| TKTmk-ipsco Koppel Tubulars, LLC | Ambridge | PA | — | ◇ UNVERIFIED |
| TToolmax | Latrobe | PA | — | ◇ UNVERIFIED |
| TSTorrey S Crane | Plantsville | CT | — | ◇ UNVERIFIED |
| TMTpc Metals LLC | Bryan | OH | — | ◇ UNVERIFIED |
| TMTpc Metals, LLC | Canton | OH | — | ◇ UNVERIFIED |
| TNTremont Nail Factory Site | Wareham | MA | — | ◇ UNVERIFIED |
| TFTriangle Fasteners INC | Ontario | CA | — | ◇ UNVERIFIED |
| TTTrick Titanium | Holt | MI | — | ◇ UNVERIFIED |
| TMTrinity Machne & Fabrication | Palestine | TX | — | ◇ UNVERIFIED |
| TSTri Star Aluminum CO LP | Alexandria | TN | — | ◇ UNVERIFIED |
| TSTri-state Shearing and Bending INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| TNTriumph Northwest | Albany | OR | — | ◇ UNVERIFIED |
| TST S a Manufacturing | Omaha | NE | — | ◇ UNVERIFIED |
| TPTsk Partners, INC. | Erie | PA | — | ◇ UNVERIFIED |
| TETungsten Eagle Upgrades INC | Manassas | VA | — | ◇ UNVERIFIED |
| TBTwo Brothers Scrap Metal | Farmingdale | NY | — | ◇ UNVERIFIED |
| UFU First Logistics INC. | Elyria | OH | — | ◇ UNVERIFIED |
| UUlbrich | Pico Rivera | CA | — | ◇ UNVERIFIED |
| UMUltra-met Mfg. CO. | Urbana | OH | — | ◇ UNVERIFIED |
| UPUltra Play Systems, INC | Red Bud | IL | — | ◇ UNVERIFIED |
| UCUnited Catalyst Corporation | Greenville | SC | — | ◇ UNVERIFIED |
| UPUnited Power Generation INC | Riverside | CA | — | ◇ UNVERIFIED |
| USUnited Security Product INC | Poway | CA | — | ◇ UNVERIFIED |
| UMUniversal Molding Company | Lynwood | CA | — | ◇ UNVERIFIED |
| UMUniversal Molding Extrusion CO | Downey | CA | — | ◇ UNVERIFIED |
| UPUniversal Pipe & Steel Supply, INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| USUniversal Scrap Management, LLC. | Lauderhill | FL | — | ◇ UNVERIFIED |
| UFUS Fabrication of East Texas Incorporated | Tyler | TX | — | ◇ UNVERIFIED |
| USU S Reduction CO | Fontana | CA | — | ◇ UNVERIFIED |
| USUS Steel Gary Complex | Gary | IN | — | ◇ UNVERIFIED |
| UTU.s. Tubular Products | Mckeesport | PA | — | ◇ UNVERIFIED |
| UZUS Zinc | Coldwater | MI | — | ◇ UNVERIFIED |
| UMUtah Metal Works | Salt Lake City | UT | — | ◇ UNVERIFIED |
| VPValley Plating and Fabricating | Green Bay | WI | — | ◇ UNVERIFIED |
| VSVennerbeck Stern Leach | Lincoln | RI | — | ◇ UNVERIFIED |
| VGVernon Gold & Silver Company | Pittsburgh | PA | — | ◇ UNVERIFIED |
| VSViatek Solutions | Tampa | FL | — | ◇ UNVERIFIED |
| VCVibromatic Company Inc | Noblesville | IN | — | ◇ UNVERIFIED |
| VIVigindustries INC | Vernon | CA | — | ◇ UNVERIFIED |
| VHVulcan Hart Corporation | Dundalk | MD | — | ◇ UNVERIFIED |
| WNWa317940854 - Nucor Corporation | Seattle | WA | — | ◇ UNVERIFIED |
| WSWaelz Sustainable Products LLC | Muncie | IN | — | ◇ UNVERIFIED |
| WCWah Chang Titanium Wire | Frackville | PA | — | ◇ UNVERIFIED |
 Wakefield Thermal Solutions INC | Fall River | MA | — | ◇ UNVERIFIED |
| WCWalker Casting & Fabrication | Lancaster | CA | — | ◇ UNVERIFIED |
| WTWallner Tooling/expac, INC. | Kennesaw | GA | — | ◇ UNVERIFIED |
| WIWeartech International INC | Anaheim | CA | — | ◇ UNVERIFIED |
| WPWebb Property | Jay | FL | — | ◇ UNVERIFIED |
| WGWelch Group Environmental LLC | Fort Myers | FL | — | ◇ UNVERIFIED |
| WGWelch Group Environmental LLC | Clearwater | FL | — | ◇ UNVERIFIED |
| WGWelch Group Environmental LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| WEW E Machine INC. | San Dimas | CA | — | ◇ UNVERIFIED |
| WCWendt Corporation | Buffalo | NY | — | ◇ UNVERIFIED |
| WCWesgo Ceramics | Belmont | CA | — | ◇ UNVERIFIED |
| WCWest Coast Innovations | Redding | CA | — | ◇ UNVERIFIED |
| WEWest End Fabricators Incorporated | Richmond | VA | — | ◇ UNVERIFIED |
| WMWestern Metal Enterprises, INC. | Montebello | CA | — | ◇ UNVERIFIED |
| WZWestern Zirconium | Ogden | UT | — | ◇ UNVERIFIED |
| WHWest Homestead Engineering & Machine | Pittsburgh | PA | — | ◇ UNVERIFIED |
| WEWestinghouse Electric Company Llc- Zirconium Hafnium Production Plant | Ogden | UT | — | ◇ UNVERIFIED |
| WMWheeling Metal Processing, LTD. | Chicago | IL | — | ◇ UNVERIFIED |
| WMWhiting Metals, LLC | Whiting | IN | — | ◇ UNVERIFIED |
| WIWillard Industries INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| WWWillet & Willet Holdings, LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| WTWing Truong | San Jose | CA | — | ◇ UNVERIFIED |
| WSWit Sales and Refining | San Jose | CA | — | ◇ UNVERIFIED |
| WMWmi Medical Services of Arizona | Chandler | AZ | — | ◇ UNVERIFIED |
| WSWolf Steel U.s.a. INC. | Crittenden | KY | — | ◇ UNVERIFIED |
| WCWoodward Controls INC | Niles | IL | — | ◇ UNVERIFIED |
| WAWorthington Armstron/wave - Malvern | Malvern | PA | — | ◇ UNVERIFIED |
| WIWorthington Industries | Cleveland | OH | — | ◇ UNVERIFIED |
| WIWorthington Industries - Cleveland | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
| WIWorthington Industries Mt Orab | Mount Orab | OH | — | ◇ UNVERIFIED |
| WSWorthington Samuel Coil Processing, LLC. (1318007554) | Cleveland | OH | — | ◇ UNVERIFIED |
| WSWorthington Steel | Decatur | AL | — | ◇ UNVERIFIED |
| WSWorthington Steel Company of Decatur, L.l.c. | Decatur | AL | — | ◇ UNVERIFIED |
| WSWorthington Steelpac (0511005008) | North Lewisburg | OH | — | ◇ UNVERIFIED |
| XSXxx Sweeney Steel Products | Erie | MI | — | ◇ UNVERIFIED |
| YSYale Steel INC | Yale | MI | — | ◇ UNVERIFIED |
| YSYoungstown Specialty Metls INC | Youngstown | OH | — | ◇ UNVERIFIED |
| ZRZinc Resources | Victoria | TX | — | ◇ UNVERIFIED |
| ZZyklus | Jacksonville | TX | — | ◇ UNVERIFIED |
