| ADArchitectural Door and Millwork INC | New Hudson | MI | — | ◇ UNVERIFIED |
| ADArchitectural Door Corp | Bridgeport | CT | — | ◇ UNVERIFIED |
| ASArchitectural Specialities, INC. | Kansas City | MO | — | ◇ UNVERIFIED |
| ASArchitectural Specialties INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| AWArchitectural Wood Design | Fresno | CA | — | ◇ UNVERIFIED |
| AWArchitectural Woodwork | Houston | TX | — | ◇ UNVERIFIED |
| AWArchitectural Woodwork Corporation | Palmyra | MO | — | ◇ UNVERIFIED |
| AWArchitectural Woodworking Building | Palmyra | MO | — | ◇ UNVERIFIED |
| AArconic | Cranberry Township | PA | — | ◇ UNVERIFIED |
| AIArdco Incorporated | Elkton | KY | — | ◇ UNVERIFIED |
| AIArk Ii Manufacturing | Garrettsville | OH | — | ◇ UNVERIFIED |
| AIArmaclad INC | Waynesboro | PA | — | ◇ UNVERIFIED |
| AGArnett Glass LLC | Pittsburg | KS | — | ◇ UNVERIFIED |
| AHArtemis Holdings, LLC. | Rossville | GA | — | ◇ UNVERIFIED |
| APArthur Products, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| APArthur Products, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| ACArtisan Custom Doorworks | Morgantown | PA | — | ◇ UNVERIFIED |
| ASArtisan Sheetmetal | Astoria | NY | — | ◇ UNVERIFIED |
| ACASAP Commercial Doors | Mooresville | NC | — | ◇ UNVERIFIED |
| AAAssa Abloy | Carol Stream | IL | — | ◇ UNVERIFIED |
| AAAssa Abloy | Peachtree City | GA | — | ◇ UNVERIFIED |
| AAAssa Abloy Door Group LLC | Mason City | IA | — | ◇ UNVERIFIED |
| AAAssa Abloy Door Group LLC Dba Ceco Door Products | Milan | TN | — | ◇ UNVERIFIED |
| AAAssa Abloy Service Center | Kent | WA | — | ◇ UNVERIFIED |
| AWAssura Windows and Doors | Pompano Beach | FL | — | ◇ UNVERIFIED |
| AIAsta Industries INC. | Acworth | GA | — | ◇ UNVERIFIED |
| AIAsta Industries INC - Dba Asta America | Cartersville | GA | — | ◇ UNVERIFIED |
| AIAtha Interior Trim, INC. | Lawrenceville | GA | — | ◇ UNVERIFIED |
| ACAtlantic Construction LLC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| ADAtlantic Doors & Hardware, INC. | Lake Worth | FL | — | ◇ UNVERIFIED |
| ARAtlantic Rolling Steel Door, CORP. | Bronx | NY | — | ◇ UNVERIFIED |
| ADAtlas Door Clopay Building Products | Hernando | MS | — | ◇ UNVERIFIED |
| AHAtn Holding INC. Dba Atn Windows and Doors | Mira Loma | CA | — | ◇ UNVERIFIED |
| ACAtrium Corporation Dba Superior Windows & Doors | Ontario | CA | — | ◇ UNVERIFIED |
| AMAuburn Millwork, INC. | Auburn | AL | — | ◇ UNVERIFIED |
| AAAvallone Architectural Specialties, LLC. | New Orleans | LA | — | ◇ UNVERIFIED |
| AIAvalon International Aluminum LLC | Walnut | MS | — | ◇ UNVERIFIED |
| ASAvalon Shutters | Perris | CA | — | ◇ UNVERIFIED |
| ASAvalon Shutters INC | Perris | CA | — | ◇ UNVERIFIED |
| ASAvalon Shutters INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| ASAvalon Shutters INC | Ontario | CA | — | ◇ UNVERIFIED |
| AMAward Metal's | Union City | CA | — | ◇ UNVERIFIED |
| AWA Window Inc | Fort Worth | TX | — | ◇ UNVERIFIED |
| ADAxxess Door, Corp. | Ontario | CA | — | ◇ UNVERIFIED |
| BCBadger Corrugating CO | La Crosse | WI | — | ◇ UNVERIFIED |
| BAB and J Aluminum Windows, INC | Saint Martinville | LA | — | ◇ UNVERIFIED |
| BABarber and Ross CO. INC. | Winchester | VA | — | ◇ UNVERIFIED |
| BRBarber & Ross CO | Leesburg | VA | — | ◇ UNVERIFIED |
| BDBarmon Door and Plywood Site | Lake Stevens | WA | — | ◇ UNVERIFIED |
| BIBaron Industries | Woburn | MA | — | ◇ UNVERIFIED |
| BHBasin Hardwood Doors INC | Tooele | UT | — | ◇ UNVERIFIED |
| BRBaton Rouge Window & Siding Conpany, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BCBay Cities Tin Shop INC Dba Bay Cities Metal Products | Gardena | CA | — | ◇ UNVERIFIED |
| BGBay Glass & Window, INC. | Cape Coral | FL | — | ◇ UNVERIFIED |
| BMBayou Millwork & Windows LLC | Kenner | LA | — | ◇ UNVERIFIED |
| BSBayside Shutters | Orange | CA | — | ◇ UNVERIFIED |
| BDBCD Doors LLC | Wolfforth | TX | — | ◇ UNVERIFIED |
| BMB&c Metals Enterprise INC. | Medley | FL | — | ◇ UNVERIFIED |
| BWBear Wood Windows, Inc. | Tacoma | WA | — | ◇ UNVERIFIED |
| BPBeechcraft Products, Inc. | Durand | MI | — | ◇ UNVERIFIED |
| BIBell-view, INC. | Wrightsville | GA | — | ◇ UNVERIFIED |
| BPBelmont Plywood & Door Company, LLC | Belmont | CA | — | ◇ UNVERIFIED |
| BRBend River Sash & Door Company | Sisters | OR | — | ◇ UNVERIFIED |
| BRBend River Sash & Door Company | Bend | OR | — | ◇ UNVERIFIED |
| BMBennett Mfg & Supply CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | La Grande | OR | — | ◇ UNVERIFIED |
| BSBergen Sign Company | Pompano Beach | FL | — | ◇ UNVERIFIED |
| BDBergy Door & Window Company | Santa Rosa | CA | — | ◇ UNVERIFIED |
| BRBest Roll Up Door INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BGBfs Group LLC Jacksonville Fl Mw | Jacksonville | FL | — | ◇ UNVERIFIED |
| BCBilco Company,the | Trumann | AR | — | ◇ UNVERIFIED |
| BBBilliards by Brandt LLC | West Park | FL | — | ◇ UNVERIFIED |
| BWBiltbest Windows Corporation | Ste. Genevieve | MO | — | ◇ UNVERIFIED |
| BBBimbo Bakeries Usa/norristown Plt | Norristown | PA | — | ◇ UNVERIFIED |
| BDB-j Door Mfg & Building Supplies INC | Oak Grove | OR | — | ◇ UNVERIFIED |
| BSBKK Smith Investments, LLC | Henderson | NV | — | ◇ UNVERIFIED |
| BFBlackbear Forest Products INC | Glidden | WI | — | ◇ UNVERIFIED |
| BIBlaine Industries INC | Northwood | NH | — | ◇ UNVERIFIED |
| BLB & L Manufacturing CO. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| BFBlueair Finishing LLC | Oakland | CA | — | ◇ UNVERIFIED |
| BCBlue Chip Professional Services, L.l.c | Boise | ID | — | ◇ UNVERIFIED |
| BFBluegrass Folding Carton CO LLC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| BSBlue Streak Enterprises, LLC Dba Gravley Doors | Aubrey | TX | — | ◇ UNVERIFIED |
| BBBmc Building Materials Coppell Millwork | Coppell | TX | — | ◇ UNVERIFIED |
| BWBmc West, LLC | Grand Prairie | TX | — | ◇ UNVERIFIED |
 Boise Cascade Materials Distribution | Idaho Falls | ID | — | ◇ UNVERIFIED |
| BSBoston Sash & Millwork, INC. | N Dighton | MA | — | ◇ UNVERIFIED |
| BPBowman Properties, LLC | Valparaiso | IN | — | ◇ UNVERIFIED |
| BFBrand Fx Body Co-manson | Manson | IA | — | ◇ UNVERIFIED |
| BXBrand X Metals, INC | Anaheim | CA | — | ◇ UNVERIFIED |
| BMBromack Manufacturing INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| BCBroncho Company Dba Electric Power Door | Hibbing | MN | — | ◇ UNVERIFIED |
| BHBrooks Hardwood Products | Pottsville | AR | — | ◇ UNVERIFIED |
| BLBrunold LLC | Portland | OR | — | ◇ UNVERIFIED |
| BRBryan Rivera | Corona | CA | — | ◇ UNVERIFIED |
| BRB&t Real Estate LLC | Orem | UT | — | ◇ UNVERIFIED |
| BDBuell Door Company | Dallas | TX | — | ◇ UNVERIFIED |
| BBBuild Bold Group LLC | San Carlos | CA | — | ◇ UNVERIFIED |
| BMBuilder's Millwork INC | Santa Ana | CA | — | ◇ UNVERIFIED |
