| SSSudholt Sheet Metal, INC. | Aviston | IL | — | ◇ UNVERIFIED |
| SCSulzer Chemtech | Tulsa | OK | — | ◇ UNVERIFIED |
| SCSummit Careers INC | East Longmeadow | MA | — | ◇ UNVERIFIED |
| SISummit INC | Portland | OR | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal LLC | Kingston | PA | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal LLC | Kingston | PA | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal, LLC | Pittston | PA | — | ◇ UNVERIFIED |
| SMSun Metal - Doral Enterprises | Albuquerque | NM | — | ◇ UNVERIFIED |
| SCSuperior Canopy Corporation | Finley | KY | — | ◇ UNVERIFIED |
| SDSuperior Duct Fabrication, Inc. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SFSuperior Fabrication Inc | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SLSuperior Laminating, INC. | Goshen | IN | — | ◇ UNVERIFIED |
| SMSuperior Metalworks, INC. | Carlisle | PA | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal Company, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal, LLC | Hudson | NH | — | ◇ UNVERIFIED |
| SRSupreme Roofing Products, INC. | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| SPSutter P. Dahlglen Enterprises INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| SRSvm - Reno | Sparks | NV | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| SHSwisher Heating & Air Conditioning, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| SMS&w Metal Products INC | Gilbertsville | PA | — | ◇ UNVERIFIED |
| SISystems in Advanced Mechanical | Crofton | MD | — | ◇ UNVERIFIED |
| TDT43 Designs | Hohenwald | TN | — | ◇ UNVERIFIED |
| TOTAC Operating Company | Draper | UT | — | ◇ UNVERIFIED |
| TMTambe Metal Products INC | Victor | NY | — | ◇ UNVERIFIED |
| TSTampa Sheet Metal Company | Tampa | FL | — | ◇ UNVERIFIED |
| TSTarget Sheetmetal and Manufacturing, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| TMTartan Manufacturing, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| TSTassie Siding INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TMTaylor Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| TSTcr Systems LLC | Decatur | IL | — | ◇ UNVERIFIED |
| TSTcr Systems, L.l.c. | Havana | IL | — | ◇ UNVERIFIED |
| TCT & C Supply, INC. | Hueytown | AL | — | ◇ UNVERIFIED |
| TMTda Mechanical, INC. | Columbus | GA | — | ◇ UNVERIFIED |
| TMTds Mfg INC | Clinton Twp | MI | — | ◇ UNVERIFIED |
| TITec-fab, Incorporated | Knoxville | TN | — | ◇ UNVERIFIED |
| TITech-air, Incorporated | Uncasville | CT | — | ◇ UNVERIFIED |
| TFTech Fab | Houston | TX | — | ◇ UNVERIFIED |
| TITechnico INC Dba Modern Metal Products | Owatonna | MN | — | ◇ UNVERIFIED |
| TDTechnique Designs, INC | Morongo Valley | CA | — | ◇ UNVERIFIED |
| TDTed Davis Enterprises, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| TITEKNIK Investments, LLC | Lewisville | TX | — | ◇ UNVERIFIED |
| TBTeledyne Brown Engineering | Huntsville | AL | — | ◇ UNVERIFIED |
| TTTemperature Technologies | Murray | UT | — | ◇ UNVERIFIED |
| TITenere INC. | Dresser | WI | — | ◇ UNVERIFIED |
| TITenere INC Wheat Ridge Div.cn | Wheat Ridge | CO | — | ◇ UNVERIFIED |
| TATennessee Awning Mfg CO | Hendersonville | TN | — | ◇ UNVERIFIED |
| TDTennessee Dept. of Trans. (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| TLTexas Leak Sealing Manufacturing LLC | Alvin | TX | — | ◇ UNVERIFIED |
| TITfc, INC. | North Little Rock | AR | — | ◇ UNVERIFIED |
| TMTfc Manufacturing INC | Lakewood | CA | — | ◇ UNVERIFIED |
| TITgeg INC. | Chino | CA | — | ◇ UNVERIFIED |
| TAThe Agilis Group Dba Southern Specialties | Tulsa | OK | — | ◇ UNVERIFIED |
| TAThe Airolite Company | Marietta | OH | — | ◇ UNVERIFIED |
| TBThe Barre Company LLC | Toano | VA | — | ◇ UNVERIFIED |
| TDThe Duc-pac CORP | East Longmeadow | MA | — | ◇ UNVERIFIED |
| TEThe Energy Store of California, INC. | Hayward | CA | — | ◇ UNVERIFIED |
| TFThe Falke Group, LLC | Garland | TX | — | ◇ UNVERIFIED |
| TFThe Falke Group, LLC | Garland | TX | — | ◇ UNVERIFIED |
| TJThe J & L Sheet Metal Co., INC. | Houston | TX | — | ◇ UNVERIFIED |
| TMThe Micar Company | Decaturdecatur | IL | — | ◇ UNVERIFIED |
| TNThe Nicole-lampkin Family Trust | Corona | CA | — | ◇ UNVERIFIED |
| TBTheodore Baker Iii | Cottage Grove | OR | — | ◇ UNVERIFIED |
| TOThe Original Granite Bracket | St. Augustine | FL | — | ◇ UNVERIFIED |
| TPThe Pate Company | Lombard | IL | — | ◇ UNVERIFIED |
| TCTherma Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| TSThermal Seal Duct | Rome | GA | — | ◇ UNVERIFIED |
| TSThe Service Manufacturing Group, Inc. | Cheektowaga | NY | — | ◇ UNVERIFIED |
| TSThe Sterling Blower CO INC | Forest | VA | — | ◇ UNVERIFIED |
| TTThe Tinners Shoppe, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TCThomas Company | Egg Harbor City | NJ | — | ◇ UNVERIFIED |
| TEThomas Edwards Dba Olympic Industries | Cordova | TN | — | ◇ UNVERIFIED |
| THThomas Hayes Studio | Los Angeles | CA | — | ◇ UNVERIFIED |
| THThomas H. George, Jr. | Sand City | CA | — | ◇ UNVERIFIED |
| TIThomas Industries INC | Wabasha | MN | — | ◇ UNVERIFIED |
| TPThomas Processing LLC | Elgin | IL | — | ◇ UNVERIFIED |
| TMThriller Manufacturing | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TThyssenkrupp | Marietta | GA | — | ◇ UNVERIFIED |
| TDTie Down Engineering, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| TLTimberview Lawn Furniture | Sandy Lake | PA | — | ◇ UNVERIFIED |
| TSTinco Sheet Metal Contractors | Irvine | CA | — | ◇ UNVERIFIED |
| TSTinco Sheet Metal, INC. | Mission Viejo | CA | — | ◇ UNVERIFIED |
| TSTin-man Supply | Olathe | KS | — | ◇ UNVERIFIED |
| TTTip Top Sheet Metal, INC | Houston | TX | — | ◇ UNVERIFIED |
| TSTitan Sheet Metal, INC. | Costa Mesa | CA | — | ◇ UNVERIFIED |
| TITks Industrial Company | Marysville | OH | — | ◇ UNVERIFIED |
| TRTl Roofing and Sheet Metal | Old Westbury | NY | — | ◇ UNVERIFIED |
 Tmd Enterprises INC Dba Millw | Freeport | MN | — | ◇ UNVERIFIED |
| TITodrin Industries, INC. | Lakeville | MA | — | ◇ UNVERIFIED |
| TMTomsicek Manufacturing CO | Ithaca | NE | — | ◇ UNVERIFIED |
| TITonnage Industrial LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| TITonnage Industrial LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| TITonnage Industrial LLC | Long Beach | CA | — | ◇ UNVERIFIED |
| TDTool & Die Systems Incorporated | North Ridgeville | OH | — | ◇ UNVERIFIED |
| TNTop Notch Metal Products, LLC | Sacramento | CA | — | ◇ UNVERIFIED |
| TCTotal Comfort Solutions, Inc. | Philadelphia | PA | — | ◇ UNVERIFIED |
| TSTougher Sheet & Steel, INC. | Danvers | MA | — | ◇ UNVERIFIED |
| THTower Hill Corporation | Manassas | VA | — | ◇ UNVERIFIED |
| TCTown & Country, INC. | Shawnee | KS | — | ◇ UNVERIFIED |
| TFTpi Fabrication | Bowdon | GA | — | ◇ UNVERIFIED |
