| KCKarls Custom Sash & Doors | Huntington Beach | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KBKarona By Jeld Wen | Caledonia | MI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KIKarona INC | Caledonia | MI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KWKelleher Wood Products | Sonoma | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KWKelly Window Mfg INC | Detroit | MI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KDKincaid & Decker Inc,woodmart Window Cov | Van Nuys | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KJK & J Graphics | Antioch | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KCKoch & Co., INC. | Topeka | KS | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KDKrosswood Doors LLC | Tucson | AZ | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KSK & S Millwork LTD | White Plains | MD | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| KIKylemont Industries | Marysville | WA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LCLa Cantina Doors INC | Oceanside | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LMLakeview Millworks Sales, Inc. | Sisters | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LMLarry Methvin Installations INC | Ontario | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LNLarry Nava | Van Nuys | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LGLd Garage Door Service LLC | Philadelphia | PA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LPLegacy Products LLC | Midlothian | VA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LMLexington Manufacturing Building 1 | Coon Rapids | MN | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LMLexington Manufacturing LLC | Anderson | IN | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LVLiberty Valley Doors, INC | Cotati | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LWLincoln Wood Products | Merrill | WI | Wood Product Manufacturing321910 | — | ◇ UNVERIFIED |
| LWLindsay Windows - Ca | Apple Valley | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LCL&l Custom Shutters Inc,allwood Shutters | Placentia | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LLL. L. Windows and Plus CORP. | Miami | FL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LALoffreno Architectural Woodworking, INC. | Irvington | NJ | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LMLowpensky Moulding | San Francisco | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LSL & S Supplies, LLC | Brooksville | FL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LWLucent Window & Door Co., LLC | Sainte Genevieve | MO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LWL W O Corporation | Portland | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMagnolia Windows & Doors | Cornelia | GA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MFMaiman Fine Architectural Doors | Springfield | MO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMajestic Woodworking INC | Coon Rapids | MN | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MDManhattan Door Corporation | Carlstadt | NJ | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MCMasonite CORP | Marshfield | WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MCMasonite Corporation | Haleyville | AL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MIMasonite International | Winchester | VA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MIMasonite International CORP. | Tampa | FL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MIMasonite International Corporation | Thorp | WI | Wood Product Manufacturing321000 | — | ◇ UNVERIFIED |
| MIMasonite International INC | Stockton | CA | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| MMMasonite - Madison Location | Tampa | FL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMatheny Windows & Doors | San Leandro | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MDMaverick Door and Millwork, INC. | Schertz | TX | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MCM&b Carpentry and Manufacturing, INC. | Farmersville | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMclachlan Wood Finishing CO | Mountain View | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MIMesker Industries in | Hazelwood | MO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MIMetrie INC | Rocklin | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MMMicawrap Moulding | Riverbank | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MRMichael Reilly Design Incorporated / Dba Reilly Windows & Doors | Calverton | NY | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMidsouth Window Fashions LLC | Memphis | TN | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MWMidwestern Wood Products | Morton | IL | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
