| SSSteel Shield Doors and More, LLC | Phoenix | AZ | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| STSteel Traditions | Vista | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SCStevenson & CO | Baltimore | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SPStockton Products | Livermore | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SFStore Front Properties | Albuquerque | NM | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SIStrybuc Industries | Sharon Hill | PA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SLStylex LLC Dba Stylex Windows and Doors | Riverside | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SSSuburban Steel | Indianapolis | IN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SASultana Aluminum INC | Bayamon | PR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SSSultana Screens & Aluminum Sales INC | Mayaguez | PR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SMSun Metals Systems, INC. | Tampa | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SPSun Power Security Gates, INC | Merced | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SDSuntech Doors | Sarasota | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SESuperior Enterprises INC | Jackson | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
 Super Sky Products Enterprises, LLC | Timonium | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| Super Sky Products Enterprises, LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TATabko Aluminum Products, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TATag Asset I LLC | Lake Forest | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TSTate Stclair Enterprises, LLC | Wolfforth | TX | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Gloversville | NY | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TITemo INC | Clinton Twp | MI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TAThe A.g. Mauro Company of Florida, INC. | Lake Mary | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TDThe Door Stop | Shingle Springs | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TDThe Door Store & More of Central Florida, LLC | Tampa | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TIThermal Industries, INC. | Marietta | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TTThermal Tech Doors, INC. | Garden City | NY | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TTThermal Tru (deleted From Inventory) | Colorado Springs | CO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TWThermal Windows, INC. | Tulsa | OK | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TIThermo-twin Industries, INC. | Oakmont | PA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TMTim Munoz | Bakersfield | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TMTitan Metal | Sacramento | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
 Titan Specialty Doors LLC | Lafayette | NJ | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TSTitan Steel Door | Murrayville | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TSTitan Steel Door LLC | Lavonia | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TNT N Sheet Metal INC | Fountain Valley | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TDTodco Division Overhead Door Corporation | Fresno | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TSTorrance Steel Window | Torrance | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TDTotal Door Systems | Waterford Township | MI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TLTournerr LLC | Wichita | KS | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TDToyo Dupont International Ink | Fountain Valley | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TITransglobal INC. | Carey | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TPTransportation Products, INC. | Evergreen | AL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TUTrebor USA INC. | Hollywood | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TATru Architectural | Hawthorne | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TTTru-fab Technology INC. | Eastlake | OH | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| TLTrulite Lakeland Apg Branch | Plant City | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TRTucson Rolling Shutters, INC. | Tucson | AZ | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TSTurlock Sheet Metal & Welding Dba P&f Metals | Turlock | CA | Fabricated Metal Product Manufacturing332114 | — | ◇ UNVERIFIED |
| TITuscan Iron Entries | Collierville | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TWT W B Enterprises LLC | Gilroy | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
