| MWMidwest Window Systems, LLC | Rogers | MN | — | ◇ UNVERIFIED |
| MWMidwest Window Systems, LLC Limited Liability Company | Saint Michael | MN | — | ◇ UNVERIFIED |
| MPMike Papian | Pacoima | CA | — | ◇ UNVERIFIED |
| MCMil-del Corporation | Milford | DE | — | ◇ UNVERIFIED |
| MMMilgard Manufacturing INC Fiberglass | Fife | WA | — | ◇ UNVERIFIED |
| MWMilgard Windows | Sacramento | CA | — | ◇ UNVERIFIED |
| MWMilgard Windows & Doors | Aurora | CO | — | ◇ UNVERIFIED |
| MLMillcraft LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MMMiller Manufacturing, INC. | Sugarcreek | OH | — | ◇ UNVERIFIED |
| MAMillwork and Design INC. | Brooksville | FL | — | ◇ UNVERIFIED |
| MBMillwork Brothers INC | Cerritos | CA | — | ◇ UNVERIFIED |
| MEMillworks Etc., INC. | Newbury Park | CA | — | ◇ UNVERIFIED |
| MAMILLWORX AQUISITIONS, Inc. | Merrill | WI | — | ◇ UNVERIFIED |
| MVMinnesota Valley Millwork INC | Prior Lake | MN | — | ◇ UNVERIFIED |
| MMMission Millworks | South Pasadena | CA | — | ◇ UNVERIFIED |
| MMMitchell Moulding CO | Forest Park | IL | — | ◇ UNVERIFIED |
| MRMJL Real Estate Holdings LLC | Northvale | NJ | — | ◇ UNVERIFIED |
| MWMlc Window CO INC | Shelby Twp | MI | — | ◇ UNVERIFIED |
| MMM & M Millworks of Louisiana, LLC | West Monroe | LA | — | ◇ UNVERIFIED |
| MMM & M Moulders, Div of Grandview Products | Cherryvale | KS | — | ◇ UNVERIFIED |
| MDModern Door and Millwork INC | Tacoma | WA | — | ◇ UNVERIFIED |
| MFMohawk Flush Doors INC | Kirkland | WA | — | ◇ UNVERIFIED |
| MDMonroe Door & Millwork INC | Monroe | WA | — | ◇ UNVERIFIED |
| MIMonschein Industries INC | Riverbank | CA | — | ◇ UNVERIFIED |
| MSMount Storm Forest Products | Windsor | CA | — | ◇ UNVERIFIED |
| MDMurphy Door, INC. | Ogden | UT | — | ◇ UNVERIFIED |
| MMMw Manufacturers | Rocky Mount | VA | — | ◇ UNVERIFIED |
| MMMw Manufacturers INC - Pine St | Fayetteville | NC | — | ◇ UNVERIFIED |
| NMNational Millwork | Mansfield | MA | — | ◇ UNVERIFIED |
| NWNational Woodworks INC | Birmingham | AL | — | ◇ UNVERIFIED |
| NHNew Horizon Shutters International LLC | North Charleston | SC | — | ◇ UNVERIFIED |
| NMNew Morning Windows INC | Lakeville | MN | — | ◇ UNVERIFIED |
| NSNew South Marion Plant | Marion | SC | — | ◇ UNVERIFIED |
| NDNick's Doors, INC. | Azusa | CA | — | ◇ UNVERIFIED |
| NCNissen & Company INC | South El Monte | CA | — | ◇ UNVERIFIED |
| NNN & N Cabinets, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
 Noise Barriers LLC | Libertyville | IL | — | ◇ UNVERIFIED |
| NBNorth Bay Plywood INC. | Napa | CA | — | ◇ UNVERIFIED |
| NENorth East Windows USA LLC. | Merrick | NY | — | ◇ UNVERIFIED |
| NCNorthern Contours, INC | Mesa | AZ | — | ◇ UNVERIFIED |
| NCNorthern Contours of Ky- Door Division | Vanceburg | KY | — | ◇ UNVERIFIED |
| NCNorthern Contours - Rtf Plant | Fergus Falls | MN | — | ◇ UNVERIFIED |
| NCNorthern Contours Veneer Isw | Fergus Falls | MN | — | ◇ UNVERIFIED |
| NMNorthern Mfg. Co., INC. | Grantsburg | WI | — | ◇ UNVERIFIED |
| NWNorthern Woodwork INC | Thief River Falls | MN | — | ◇ UNVERIFIED |
| NWNorth Wales Millwork, INC. | Chalfont | PA | — | ◇ UNVERIFIED |
| NDNorthwest Door and Supply INC | Tualatin | OR | — | ◇ UNVERIFIED |
| NDNorthwest Door INC | Puyallup | WA | — | ◇ UNVERIFIED |
| NDNorthwest Door & Sash Company | Springfield | OR | — | ◇ UNVERIFIED |
| NNovatech | Ridgeway | VA | — | ◇ UNVERIFIED |
| NANw Artisan Hardware INC. | Kaysville | UT | — | ◇ UNVERIFIED |
| OSOcean Sash & Door INC | San Francisco | CA | — | ◇ UNVERIFIED |
| ODOchoa Door & Trim LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| OMOconee Millworks Trim and Door LLC | Union Point | GA | — | ◇ UNVERIFIED |
| OSOhline Shutters | Gardena | CA | — | ◇ UNVERIFIED |
| OIOkeefee's INC Dba Saftifirst | Merced | CA | — | ◇ UNVERIFIED |
| OWOkna Windows Corporation | Bristol | PA | — | ◇ UNVERIFIED |
| OWOlde Wood Mill INC. | Omaha | NE | — | ◇ UNVERIFIED |
| OBOliveri Brothers Construction Corp. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| ODOlsen Development Company INC | Lansing | MI | — | ◇ UNVERIFIED |
| OEOpen Enclose, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| OEOpen Enclose, LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| OBOrepac Building Products | Ontario | CA | — | ◇ UNVERIFIED |
| ODOshkosh Door CO | Oshkosh | WI | — | ◇ UNVERIFIED |
| OGOsvaldo Gomez Canales | Canovanas | PR | — | ◇ UNVERIFIED |
| OCOuro Custom Woodwork, INC. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| ODOverhead Door Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| ODOverhead Door Corporation - Wayne Dalton | Mount Hope | OH | — | ◇ UNVERIFIED |
| PAPacific Architectural Millworkna INC. | La Habra | CA | — | ◇ UNVERIFIED |
| PAPacific Architectural Wood Products | Portland | OR | — | ◇ UNVERIFIED |
| PCPacific Crest Door Company | Grass Valley | CA | — | ◇ UNVERIFIED |
| PDPacific Door and Cabinet Company | Pinedale | CA | — | ◇ UNVERIFIED |
| PDPacific Door Products, INC. | Cotati | CA | — | ◇ UNVERIFIED |
| PMPacific Medium Density Fibreboard Products Incorporated | Clio | SC | — | ◇ UNVERIFIED |
| PMPacific Mutual Door Company | Kansas City | MO | — | ◇ UNVERIFIED |
| PPPacific Pine Products | Lakeview | OR | — | ◇ UNVERIFIED |
| PWPacific Wood Ventures LLC | Bend | OR | — | ◇ UNVERIFIED |
| PWPacific Wood Works INC | Bend | OR | — | ◇ UNVERIFIED |
| PPPainting Perfection LTD - Hugo | Hugo | MN | — | ◇ UNVERIFIED |
| PHPalmer-donavin Hudson | Hudson | WI | — | ◇ UNVERIFIED |
| PSPalmer-donavin Seal Rite Door | Beloit | WI | — | ◇ UNVERIFIED |
| PDPanhandle Door Inc | Naples | ID | — | ◇ UNVERIFIED |
| PDPanhandle Door INC. | Bonners Ferry | ID | — | ◇ UNVERIFIED |
| PWPaoli Wood Work INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| PWParamount Windows & Doors Millwork CO INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| PRParenti & Raffaelli LTD | Mount Prospect | IL | — | ◇ UNVERIFIED |
| PMParrett Manufacturing | Dorchester | WI | — | ◇ UNVERIFIED |
| PWParrett Windows & Doors | Dorchester | WI | — | ◇ UNVERIFIED |
| PIPatrick Industries INC - - Middlebury Hardwood | Middlebury | IN | — | ◇ UNVERIFIED |
| PWPatterson Wood Products | Nacogdoches | TX | — | ◇ UNVERIFIED |
| PAPaul Argoe Screens INC | North | SC | — | ◇ UNVERIFIED |
| PDPeachtree Doors & Windows INC | Gainesville | GA | — | ◇ UNVERIFIED |
| PWPeak Window & Door Screen Services LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| PCPella CORP | Macomb | IL | — | ◇ UNVERIFIED |
| PCPella Corp-carroll Div | Carroll | IA | — | ◇ UNVERIFIED |
| PCPella Corporation | Shenandoah | IA | — | ◇ UNVERIFIED |
| PCPella Corporation - Carroll Division | Carroll | IA | — | ◇ UNVERIFIED |
| PCPella Corporation - Story City Division | Story City | IA | — | ◇ UNVERIFIED |
| PPPella Products of Kansas City | Lenexa | KS | — | ◇ UNVERIFIED |
| PPPeppers & Pomegranate LLC | Redwood City | CA | — | ◇ UNVERIFIED |
