| BRBend River Sash & Door Company | Bend | OR | — | ◇ UNVERIFIED |
| BDBergy Door & Window Company | Santa Rosa | CA | — | ◇ UNVERIFIED |
| BGBfs Group LLC Jacksonville Fl Mw | Jacksonville | FL | — | ◇ 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 |
| BFBluegrass Folding Carton CO LLC | Elk Grove Village | IL | — | ◇ 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 |
| BFBrand Fx Body Co-manson | Manson | IA | — | ◇ UNVERIFIED |
| BMBromack Manufacturing INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| BHBrooks Hardwood Products | Pottsville | AR | — | ◇ UNVERIFIED |
| BLBrunold LLC | Portland | OR | — | ◇ 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 |
| BMBuilding Materials Incorporated | Delano | MN | — | ◇ UNVERIFIED |
| BHBurk's Hardwood Lumber | Vernon | IL | — | ◇ UNVERIFIED |
| BSBurnett & Sons Planing Mill and Lumber CO. | Sacramento | CA | — | ◇ UNVERIFIED |
| BMBwi Mechanicsburg | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| CCablecom | Snohomish | WA | — | ◇ UNVERIFIED |
| CCCal Craft Specialty Products | Hollister | CA | — | ◇ UNVERIFIED |
| CKCalifornia Kitchen Cabinet Door Corporation | Salinas | CA | — | ◇ UNVERIFIED |
| CMCalifornia Millworks Corporation | Valencia | CA | — | ◇ UNVERIFIED |
| CKCamden Kenwood Company | Anoka | MN | — | ◇ UNVERIFIED |
| CCCanyon Custom, L.l.c. | Phoenix | AZ | — | ◇ UNVERIFIED |
| CECanyon Enterprises, LLC | Denton | TX | — | ◇ UNVERIFIED |
| CCCape Cod Air Grilles Corporation | South Yarmouth | MA | — | ◇ UNVERIFIED |
| CCCapital Components & Millwork | Elkwood | VA | — | ◇ UNVERIFIED |
| CDCapital Doors, INC. | Fairmont | WV | — | ◇ UNVERIFIED |
| CHCapital Hardwoods & Millwork, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| CDCaprice Doorcraft INC | Hanover | MN | — | ◇ UNVERIFIED |
| CMCarrera Millwork, INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| CCCarson City Plant | Carson City | NV | — | ◇ UNVERIFIED |
| CDCascade Door Company | Lindon | UT | — | ◇ UNVERIFIED |
| CDCascade Door & Millwork Company | Salem | OR | — | ◇ UNVERIFIED |
| CDCascade Door & Millwork Company | Salem | OR | — | ◇ UNVERIFIED |
| COCascade Ohio, INC. | Conneaut | OH | — | ◇ UNVERIFIED |
| CWCascade Wood Products, INC. | White City | OR | — | ◇ UNVERIFIED |
| CRCastle Rock Doors, Mouldings & Hardware, LLC | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| CMCavalier Manufacturing Incorporated Riverchase Homes Division | Haleyville | AL | — | ◇ UNVERIFIED |
