| SLStylex LLC Dba Stylex Windows and Doors | Riverside | CA | — | ◇ UNVERIFIED |
| SDStyline Door and Window Systems | Simi Valley | CA | — | ◇ UNVERIFIED |
| SSSuburban Steel | Indianapolis | IN | — | ◇ UNVERIFIED |
| SSSudholt Sheet Metal, INC. | Aviston | IL | — | ◇ UNVERIFIED |
| SISugarcreek Industries INC | Sugarcreek | OH | — | ◇ UNVERIFIED |
| SASultana Aluminum INC | Bayamon | PR | — | ◇ UNVERIFIED |
| SSSultana Screens & Aluminum Sales INC | Mayaguez | PR | — | ◇ 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 |
| SLSunFlower LLC | Gilmanton Iron Works | NH | — | ◇ UNVERIFIED |
| SMSun Metal - Doral Enterprises | Albuquerque | NM | — | ◇ UNVERIFIED |
| SMSun Metals Systems, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| SPSun Power Security Gates, INC | Merced | CA | — | ◇ UNVERIFIED |
| SMSunrooms & More Design Center INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SCSunspot Carports & Patio | Claremore | OK | — | ◇ UNVERIFIED |
| SDSuntech Doors | Sarasota | FL | — | ◇ UNVERIFIED |
| SCSuperior Canopy Corporation | Finley | KY | — | ◇ UNVERIFIED |
| SDSuperior Duct Fabrication, Inc. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SESuperior Enterprises INC | Jackson | TN | — | ◇ UNVERIFIED |
| SFSuperior Fabrication Inc | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SMSuperior Metalworks, INC. | Carlisle | PA | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal Company, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal, LLC | Hudson | NH | — | ◇ UNVERIFIED |
 Super Sky Products Enterprises, LLC | Timonium | MD | — | ◇ UNVERIFIED |
| Super Sky Products Enterprises, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SWSuper Welding of Southern California INC | Chula Vista | CA | — | ◇ 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 |
| TATabko Aluminum Products, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| TOTAC Operating Company | Draper | UT | — | ◇ UNVERIFIED |
| TATag Asset I LLC | Lake Forest | CA | — | ◇ UNVERIFIED |
| TMTambe Metal Products INC | Victor | NY | — | ◇ UNVERIFIED |
| TSTampa Sheet Metal Company | Tampa | FL | — | ◇ UNVERIFIED |
| TTanner | Tanner | AL | — | ◇ UNVERIFIED |
| TAT. A. Pelsue Company | Englewood | CO | — | ◇ UNVERIFIED |
| TSTarget Sheetmetal and Manufacturing, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| TMTartan Manufacturing, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| TSTassie Siding INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TSTate Stclair Enterprises, LLC | Wolfforth | TX | — | ◇ UNVERIFIED |
| TATaylor and Sons Pipe and Steel | Chickasha | OK | — | ◇ UNVERIFIED |
| TCTaylord Containers | Spokane Valley | WA | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Kendallville | IN | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Gloversville | NY | — | ◇ 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 |
| TLTeam Logistics Services | Oceanside | CA | — | ◇ UNVERIFIED |
| TITec-fab, Incorporated | Knoxville | TN | — | ◇ UNVERIFIED |
| TITech-air, Incorporated | Uncasville | CT | — | ◇ UNVERIFIED |
| TFTech Fab | Houston | TX | — | ◇ UNVERIFIED |
| TSTech-fab Structural Steel, LLC | Vandalia | MO | — | ◇ UNVERIFIED |
| TITechnico INC Dba Modern Metal Products | Owatonna | MN | — | ◇ UNVERIFIED |
| TDTed Davis Enterprises, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| TSTehran Sanaat INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| TITEKNIK Investments, LLC | Lewisville | TX | — | ◇ UNVERIFIED |
| TBTeledyne Brown Engineering | Huntsville | AL | — | ◇ UNVERIFIED |
| TITemo INC | Clinton Twp | MI | — | ◇ 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 |
| TBTerry Building CO. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| TITeton International | Casper | WY | — | ◇ UNVERIFIED |
| TBTexas Building Center | Kingsland | TX | — | ◇ UNVERIFIED |
| TFTexas Finishing | Carrollton | TX | — | ◇ UNVERIFIED |
| TLTexas Leak Sealing Manufacturing LLC | Alvin | TX | — | ◇ UNVERIFIED |
| TMTexas Metal Structures LLC | Marquez | TX | — | ◇ UNVERIFIED |
| TITfc, INC. | North Little Rock | AR | — | ◇ UNVERIFIED |
| TMTfc Manufacturing INC | Lakewood | CA | — | ◇ UNVERIFIED |
| TGT & G Carports & Sheds CORP | Plant City | FL | — | ◇ UNVERIFIED |
| TITgeg INC. | Chino | CA | — | ◇ UNVERIFIED |
| TAThe Agilis Group Dba Southern Specialties | Tulsa | OK | — | ◇ UNVERIFIED |
| TAThe A.g. Mauro Company of Florida, INC. | Lake Mary | FL | — | ◇ UNVERIFIED |
| TAThe Airolite Company | Marietta | OH | — | ◇ UNVERIFIED |
| TBThe Barre Company LLC | Toano | VA | — | ◇ UNVERIFIED |
| TCThe Chism Company | San Antonio | TX | — | ◇ UNVERIFIED |
| TDThe Door Stop | Shingle Springs | CA | — | ◇ UNVERIFIED |
| TDThe Door Store & More of Central Florida, LLC | Tampa | FL | — | ◇ 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 |
| TLThe Lyons Companies | Louisville | KY | — | ◇ UNVERIFIED |
| TMThe Mezzanine Company Inc | Stirling | NJ | — | ◇ UNVERIFIED |
| TMThe Micar Company | Decaturdecatur | IL | — | ◇ UNVERIFIED |
