| SWSol Windows and Doors S Corp, Inc. | Bossier City | LA | — | ◇ UNVERIFIED |
| SCSouthern Crafted, LLC | Fountain Inn | SC | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| SWSouthern Walls & Windows | New Orleans | LA | — | ◇ UNVERIFIED |
| SSSouth Sound Screen & Mobile Home Supply | Roy | WA | — | ◇ UNVERIFIED |
| SASouthwest Aluminum Systems INC | Chandler | AZ | — | ◇ UNVERIFIED |
| SBSpecialty Building Products, INC. | Bossier City | LA | — | ◇ UNVERIFIED |
| SSSpecialty Shutter Systems LLC | Victoria | TX | — | ◇ UNVERIFIED |
| SSSpecified Systems, INC. | Washington | PA | — | ◇ UNVERIFIED |
| SWSpeedy Windows Corporation | Brooklyn | NY | — | ◇ UNVERIFIED |
| SGSpring Glass and Mirror, LTD. | Spring | TX | — | ◇ UNVERIFIED |
| SPS&s Powerlift Doors, LLC | Newton | KS | — | ◇ UNVERIFIED |
| SDStanley Doors Sys | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| SCSt Cloud Window INC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| SSSteel Shield Doors and More, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| STSteel Traditions | Vista | CA | — | ◇ UNVERIFIED |
| SCStevenson & CO | Baltimore | MD | — | ◇ UNVERIFIED |
| SLSt. Louis Automatic Door, LLC | Valley Park | MO | — | ◇ UNVERIFIED |
| SPStockton Products | Livermore | CA | — | ◇ UNVERIFIED |
| SFStore Front Properties | Albuquerque | NM | — | ◇ UNVERIFIED |
| SIStrybuc Industries | Sharon Hill | PA | — | ◇ UNVERIFIED |
| SLStylex LLC Dba Stylex Windows and Doors | Riverside | CA | — | ◇ UNVERIFIED |
| SDStyline Door and Window Systems | Simi Valley | CA | — | ◇ UNVERIFIED |
| SSSuburban Steel | Indianapolis | IN | — | ◇ UNVERIFIED |
| SISugarcreek Industries INC | Sugarcreek | OH | — | ◇ UNVERIFIED |
| SASultana Aluminum INC | Bayamon | PR | — | ◇ UNVERIFIED |
| SSSultana Screens & Aluminum Sales INC | Mayaguez | PR | — | ◇ UNVERIFIED |
| SMSun Metals Systems, INC. | Tampa | FL | — | ◇ UNVERIFIED |
| SPSun Power Security Gates, INC | Merced | CA | — | ◇ UNVERIFIED |
| SDSuntech Doors | Sarasota | FL | — | ◇ UNVERIFIED |
| SESuperior Enterprises INC | Jackson | TN | — | ◇ UNVERIFIED |
 Super Sky Products Enterprises, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| Super Sky Products Enterprises, LLC | Timonium | MD | — | ◇ UNVERIFIED |
| TATabko Aluminum Products, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| TATag Asset I LLC | Lake Forest | CA | — | ◇ UNVERIFIED |
| TTanner | Tanner | AL | — | ◇ UNVERIFIED |
| TSTate Stclair Enterprises, LLC | Wolfforth | TX | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Kendallville | IN | — | ◇ UNVERIFIED |
| TMTaylor Made Systems | Gloversville | NY | — | ◇ UNVERIFIED |
| TITemo INC | Clinton Twp | MI | — | ◇ UNVERIFIED |
| TFTexas Finishing | Carrollton | TX | — | ◇ UNVERIFIED |
| TAThe A.g. Mauro Company of Florida, INC. | Lake Mary | FL | — | ◇ UNVERIFIED |
| TDThe Door Stop | Shingle Springs | CA | — | ◇ UNVERIFIED |
| TDThe Door Store & More of Central Florida, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| TLThe Lyons Companies | Louisville | KY | — | ◇ UNVERIFIED |
| TMThe Mpi Group, LLC | Woodbine | KY | — | ◇ UNVERIFIED |
| TGTherma - Glass INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| TIThermal Industries, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| TTThermal Tech Doors, INC. | Garden City | NY | — | ◇ UNVERIFIED |
| TTThermal Tru (deleted From Inventory) | Colorado Springs | CO | — | ◇ UNVERIFIED |
