| TDThe Deltak Company, INC. | Walker | LA | — | ◇ UNVERIFIED |
| TDThe Donald H. Shaw Welding & Iron Works, INC. | Annapolis | MD | — | ◇ UNVERIFIED |
| TEThe Engraving CO INC. | Metairie | LA | — | ◇ UNVERIFIED |
| TGThe General Operating Co, LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
| TGThe G-s Associates CO | Dundalk | MD | — | ◇ UNVERIFIED |
| THThe Herrick Corporation | Stockton | CA | — | ◇ UNVERIFIED |
| THThe Hustad CO - Central Ave | Minneapolis | MN | — | ◇ UNVERIFIED |
| TIThe Iron Shop | Venice | FL | — | ◇ UNVERIFIED |
| TIThe Iron Works LLC | Woods Cross | UT | — | ◇ UNVERIFIED |
 The Metal Shop | Dunnellon | FL | — | ◇ UNVERIFIED |
| TTTheme Tech Corporation | Phoenix | AZ | — | ◇ UNVERIFIED |
| TCThemetech Custom Components INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| TNThe New Motor LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| TOThe Olympic Company | Tulsa | OK | — | ◇ UNVERIFIED |
| TPThe Pennyrile Company LLC | Liberty | KY | — | ◇ UNVERIFIED |
| TIThermo Industries, INC. | Carnegie | PA | — | ◇ UNVERIFIED |
| TRThe Rolling Stock Company | Sarasota | FL | — | ◇ UNVERIFIED |
| TRThe Rose Corp/reading | Reading | PA | — | ◇ UNVERIFIED |
| TRThe Rustic Garden INC | Madras | OR | — | ◇ UNVERIFIED |
| TSThe Sbj Group INC. | Denver | CO | — | ◇ UNVERIFIED |
| TTThe Troxel Company | Moscow | TN | — | ◇ UNVERIFIED |
| TVThe Valentines LLC | Fort Myers | FL | — | ◇ UNVERIFIED |
| TVThe Volzke Corporation | Utica | NE | — | ◇ UNVERIFIED |
| TWThe Walrath Corporation | Lakewood | CO | — | ◇ UNVERIFIED |
| TWThe Weld Group LLC | Stockton | CA | — | ◇ UNVERIFIED |
| TWThe Whitacre Engineering Company | Canton | OH | — | ◇ UNVERIFIED |
| TMThin Metal Ventures INC. | Springfield | MA | — | ◇ UNVERIFIED |
| TBThomas & Betts CORP | Houston | TX | — | ◇ UNVERIFIED |
| TCThomas C. Luthy | Rexburg | ID | — | ◇ UNVERIFIED |
| TJThomas J Berry Dba Selby Ornamental Iron CO | Saint Paul | MN | — | ◇ UNVERIFIED |
| TSThomas Steel INC | Bellevue | OH | — | ◇ UNVERIFIED |
| TWThomas Wren Welding and Construction | Oklahoma City | OK | — | ◇ UNVERIFIED |
| TIThompson Industrial Shop | Gadsden | AL | — | ◇ UNVERIFIED |
 Thompson Metal Fab, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| TSThornton Steel | Anaheim | CA | — | ◇ UNVERIFIED |
| TSThurnbeck Steel Fabrication INC | Forest Lake | MN | — | ◇ UNVERIFIED |
| TMThyssenkrupp Materials | Kansas City | MO | — | ◇ UNVERIFIED |
| TDTien Dinh Lam | Escondido | CA | — | ◇ UNVERIFIED |
| TCTier-rack Corporation | Lexington | NC | — | ◇ UNVERIFIED |
| TRTier Rack Corporation, Como Plant | Como | MS | — | ◇ UNVERIFIED |
| TMTiger Material Handling | Clay Center | OH | — | ◇ UNVERIFIED |
| TMTimmerman Mfg., INC. | Conover | NC | — | ◇ UNVERIFIED |
| TWTincher Welding Properties, LLC | Harveysburg | OH | — | ◇ UNVERIFIED |
| TTTin Top Decking, LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| TSTipton Structural Fabrication INC | Tipton | IA | — | ◇ UNVERIFIED |
| TFTitan Fabrication | Owensboro | KY | — | ◇ UNVERIFIED |
| TFTitan Fabrication, INC. | Gastonia | NC | — | ◇ UNVERIFIED |
| TOTitan Ornamental Iron Works, INC. | Pottstown | PA | — | ◇ UNVERIFIED |
| TSTitan Stairs & Trim, INC. | Gilbert | AZ | — | ◇ UNVERIFIED |
| TSTitan Steel | El Cajon | CA | — | ◇ UNVERIFIED |
| TSTitan Steel CORP | Kirkville | NY | — | ◇ UNVERIFIED |
| TITitchener Iron Works INC. | Binghamton | NY | — | ◇ UNVERIFIED |
| TMTlp Metal Works INC. | El Cajon | CA | — | ◇ UNVERIFIED |
| TMT & M Fabrication, INC. | Sapulpa | OK | — | ◇ UNVERIFIED |
 Tns Industries INC. | Houston | TX | — | ◇ UNVERIFIED |
| TCTnt Custom Metal Fabricators | El Dorado | KS | — | ◇ UNVERIFIED |
| TETnt Equipment Company | Somerset | OH | — | ◇ UNVERIFIED |
| TOTom's Ornamental Iron Company INC | Hapeville | GA | — | ◇ UNVERIFIED |
| TOTony's Ornamental Supply | Los Angeles | CA | — | ◇ UNVERIFIED |
| THTop Hand Tower Company | Oklahoma City | OK | — | ◇ UNVERIFIED |
| TITopper Industries INC | Chelan | WA | — | ◇ UNVERIFIED |
| TSTosoh Smd, INC | Grove City | OH | — | ◇ UNVERIFIED |
| TSTotal Steel Fabricating | Ennis | TX | — | ◇ UNVERIFIED |
| TSTotal Support Tooling, INC. | Florence | AL | — | ◇ UNVERIFIED |
| TSTotem Steel INC Woodinville | Woodinville | WA | — | ◇ UNVERIFIED |
| TSTournesal Siteworks | Fontana | CA | — | ◇ UNVERIFIED |
| T2Tov 26, LLC | Miami | FL | — | ◇ UNVERIFIED |
| TITowe Iron Works, INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| TCTower Components, INC. | Catoosa | OK | — | ◇ UNVERIFIED |
| TITowers, INC | Chetopa | KS | — | ◇ UNVERIFIED |
| TSTower Steel Corporation | Sidney | OH | — | ◇ UNVERIFIED |
| TSTower Support Services LLC | Mckenzie | TN | — | ◇ UNVERIFIED |
| TCTown & Country Sheet Metal, INC. | Shawnee | KS | — | ◇ UNVERIFIED |
| TST-plus Steel Fabricators INC | Albany | OR | — | ◇ UNVERIFIED |
| TST-plus Steel Fabricators INC | Corvallis | OR | — | ◇ UNVERIFIED |
| TMTraina Mechanical, INC. | Metairie | LA | — | ◇ UNVERIFIED |
| TITramco INC. | Wichita | KS | — | ◇ UNVERIFIED |
| TMTramont Manufacturing LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TOTransition of Superior Systems | Merkel | TX | — | ◇ UNVERIFIED |
| TTrcm | Maysville | KY | — | ◇ UNVERIFIED |
| TSTreon Steel Fabricators INC | Fontana | CA | — | ◇ UNVERIFIED |
| TDTrevi Design Group LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| TFTriad Fabrications | Kernersville | NC | — | ◇ UNVERIFIED |
| TSTriad Steel Services, INC. | Casa Grande | AZ | — | ◇ UNVERIFIED |
| TBTriangle Brass Manufacturing CO INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| TMTri-cities Manufacturing, INC. | Tuscumbia | AL | — | ◇ UNVERIFIED |
| TCTri City Fabricating INC | Kennewick | WA | — | ◇ UNVERIFIED |
| TMTrimac Metal Arts, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| TCTrinity Construction Products | Apopka | FL | — | ◇ UNVERIFIED |
| TFTrinity Fabricators, INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| TITrinity Inds INC Plant 22 | Fort Worth | TX | — | ◇ UNVERIFIED |
| TITrinity Industries | Elizabethtown | KY | — | ◇ UNVERIFIED |
| TITrinity Industries INC Plt 23 | Denton | TX | — | ◇ UNVERIFIED |
| TITrinity Iron Works | Weaverville | CA | — | ◇ UNVERIFIED |
| TRTrinity Railcar Plant 192 | Saginaw | TX | — | ◇ UNVERIFIED |
| TSTrinity Steel Corporation | Ventura | CA | — | ◇ UNVERIFIED |
| TSTrinity Steel Fabricators, INC. | Trinity | TX | — | ◇ UNVERIFIED |
| TTTrio Tube INC | Warren | MI | — | ◇ UNVERIFIED |
| TMTriple M Steel LLC | Madison Heights | MI | — | ◇ UNVERIFIED |
| TSTriple S Dynamics INC | Cibolo | TX | — | ◇ UNVERIFIED |
