| MHMaster Halco | Kansas City | KS | — | ◇ UNVERIFIED |
| MSMasterpiece Staircase - Millwork, LLC | Wesley Chapel | NC | — | ◇ UNVERIFIED |
| MSMasterpiece Stair INC | Denver | CO | — | ◇ UNVERIFIED |
| MPMasters Post & Sawmill INC | Ezel | KY | — | ◇ UNVERIFIED |
| MLMatelski Lumber Company | Boyne Falls | MI | — | ◇ UNVERIFIED |
| MCMaterial Control INC. Dba Cotterman Company | Bakersfield | CA | — | ◇ UNVERIFIED |
| MRMaterial Resources & Recycling, Inc. | Blue Island | IL | — | ◇ UNVERIFIED |
| MDMaterials Development Corpora | Andover | MA | — | ◇ UNVERIFIED |
| MIMat INC | Floodwood | MN | — | ◇ UNVERIFIED |
| MIMat INC - Floodwood | Floodwood | MN | — | ◇ UNVERIFIED |
| MLMatthew & Laura Rodrigo | Cotati | CA | — | ◇ UNVERIFIED |
| MFMatthews & Fields Lumber | Henrietta | NY | — | ◇ UNVERIFIED |
| MPMatthews Pallet Company | Ellaville | GA | — | ◇ UNVERIFIED |
| MRMatthews Redwood, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| MGMaturin Group INC Dba Pico Rivera Pallet | Colton | CA | — | ◇ UNVERIFIED |
| MFMaurer Flooring, Inc. | Damascus | OR | — | ◇ UNVERIFIED |
| MCMax Cabinets Company | Los Angeles | CA | — | ◇ UNVERIFIED |
| MTMaxcess Technologies | Summerville | SC | — | ◇ UNVERIFIED |
| MTMaxcess Technologies-closed | Summerville | SC | — | ◇ UNVERIFIED |
| MCMaxville Chip Mill | Jacksonville | FL | — | ◇ UNVERIFIED |
| MBMaxwell Brothers Lumber CO | Lewisport | KY | — | ◇ UNVERIFIED |
| MGMaxwell Group LLC | Walsenburg | CO | — | ◇ UNVERIFIED |
| MHMayflower Hardwoods Flooring | Lynchburg | VA | — | ◇ UNVERIFIED |
| MFMaynard Frame Shop INC | Star | NC | — | ◇ UNVERIFIED |
| MBMayr Bros Lumber Hoquiam Site | Hoquiam | WA | — | ◇ UNVERIFIED |
| MWMay Wood Industries, INC. | Alsip | IL | — | ◇ UNVERIFIED |
| MWMbc Woodshop INC | Morgantown | WV | — | ◇ UNVERIFIED |
| MCMbf Crate Designs, LLC. | Clifton | NJ | — | ◇ UNVERIFIED |
| MFMBH Furniture Innovations Inc. | Spring Valley | NY | — | ◇ UNVERIFIED |
| MCM Calosso & Son INC | Stockton | CA | — | ◇ UNVERIFIED |
| MTMcardle Timber Enterprises, INC. | Brewton | AL | — | ◇ UNVERIFIED |
| MRMCA Real Estate Holdings LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| MLMcarthur Lumber & Post CO | Olympia | KY | — | ◇ UNVERIFIED |
| MLMcbride Lumber Company | Star | NC | — | ◇ UNVERIFIED |
| MLMcbride Lumber Company Partnership, LLC | Star | NC | — | ◇ UNVERIFIED |
| MSMcbride Sawmill LLC | Mountain View | MO | — | ◇ UNVERIFIED |
| MMMcCain Mills, inc. | Plant City | FL | — | ◇ UNVERIFIED |
| MFMcclain Forest Products | Western Grove | AR | — | ◇ UNVERIFIED |
| MFMcclain Forest Products-alton | Alton | MO | — | ◇ UNVERIFIED |
| MFMcclain Forest Products LLC | Van Buren | MO | — | ◇ UNVERIFIED |
| MFMcclain Forest Products, LLC | Raymondville | MO | — | ◇ UNVERIFIED |
| MLMccomb Lumber Company | Canon City | CO | — | ◇ UNVERIFIED |
| MBMccormick & Baxter Creosoting CO. | Stockton | CA | — | ◇ UNVERIFIED |
| MPMccormick Piling & Lumber CO | Saint Helens | OR | — | ◇ UNVERIFIED |
| MLMccraw Lumber CO INC | Cadiz | KY | — | ◇ UNVERIFIED |
| MGMccrorie Group, LLC - Cranford Woodcarving | Hickory | NC | — | ◇ UNVERIFIED |
| MCMcCurnin Creations LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| MCMcdermott Cue Mfg LLC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| MLMcdowell Lumber Company, INC | Asheboro | NC | — | ◇ UNVERIFIED |
| MPMcdowell Panel & Components | Marion | NC | — | ◇ UNVERIFIED |
| MLMcentyre Lumber Company | Glencoe | AL | — | ◇ UNVERIFIED |
| MCMcfarland Cascade | Rison | AR | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Holdings INC | Sheridan | OR | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Holdings, INC. | Scooba | MS | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Holdings INC Cameron Plant | Cameron | WI | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Pole and Lumber | Sandpoint | ID | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Pole & Lumber CO | Warren | OR | — | ◇ UNVERIFIED |
| MDMcfarland Door Manufacturing Company | Lakeview | OR | — | ◇ UNVERIFIED |
| MMMcfarland's Mill, INC. | Winchester | VA | — | ◇ UNVERIFIED |
| MBMcfarlane's Bark, INC. | Clackamas | OR | — | ◇ UNVERIFIED |
| MLMcgee Lumber CO INC | Aliceville | AL | — | ◇ UNVERIFIED |
| MCMcgee's Crating, INC. | Lenoir | NC | — | ◇ UNVERIFIED |
| MEMcgill Environmental Systems - Waverly | Waverly | VA | — | ◇ UNVERIFIED |
| MWMcginnis Wood Products, INC. | Cuba | MO | — | ◇ UNVERIFIED |
| MWMcginnis Wood Products Inc-mcginnis Wood Products INC | Cuba | MO | — | ◇ UNVERIFIED |
| MCMcgowan Cabinet CO | Forest Lake | MN | — | ◇ UNVERIFIED |
| MLMcgriff Lumber CO | Boring | OR | — | ◇ UNVERIFIED |
| MBMcintosh Box and Pallet | Mineral | VA | — | ◇ UNVERIFIED |
| MIMc Intosh Box & Pallet Co., INC. | Geneva | NY | — | ◇ UNVERIFIED |
 Mcintosh Box & Pallet Co., INC. | Bernhards Bay | NY | — | ◇ UNVERIFIED |
| Mcintosh Box & Pallet Co., INC. | Rome | NY | — | ◇ UNVERIFIED |
| MPMckean Pallet CO | Lacon | IL | — | ◇ UNVERIFIED |
| MFMckenzie Forest Products | Eugene | OR | — | ◇ UNVERIFIED |
| MLMckinney Log & Lumber INC | Elkton | KY | — | ◇ UNVERIFIED |
| MLMckinney Lumber Company INC | Tuscumbia | AL | — | ◇ UNVERIFIED |
| MCM Correa Enterprises INC | Pixley | CA | — | ◇ UNVERIFIED |
| MEMcquown Enterprises, LLC. | Sonoma | CA | — | ◇ UNVERIFIED |
| MSMcrae & Sons INC | Bay City | OR | — | ◇ UNVERIFIED |
| MLMcshan Lumber Company, INC. | Mc Shan | AL | — | ◇ UNVERIFIED |
| MCM C Wood, LLC | Pontotoc | MS | — | ◇ UNVERIFIED |
| MWMc Wood, LLC | Pontotoc | MS | — | ◇ UNVERIFIED |
| MCM. C. Woodwork's Pallets, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| MHM.d. Harmon INC. | Xenia | IL | — | ◇ UNVERIFIED |
| MIMdlg, INC. Dba Phenix Lumber CO. & John M. Dudley | Phenix City | AL | — | ◇ UNVERIFIED |
| MPM.d. Pallet, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| MWMd Wood Llc/oklahoma City Mfg Fa | Oklahoma City | OK | — | ◇ UNVERIFIED |
| MLMead Lumber Company, INC. | Queensbury | NY | — | ◇ UNVERIFIED |
| MWMeador Wood Products INC. | Flat Top | WV | — | ◇ UNVERIFIED |
| MRMeadow River Hardwood Lumber Company, LLC | Rainelle | WV | — | ◇ UNVERIFIED |
| MWMead Westvaco Corporation | Cottonton | AL | — | ◇ UNVERIFIED |
| MTMeasure Twice, Cut Once Woodworks, LLC | Sanford | FL | — | ◇ UNVERIFIED |
| MLMebane Lumber Company Incorporated | Mebane | NC | — | ◇ UNVERIFIED |
| MPMechanicsville Pallets INC. | Mechanicsville | VA | — | ◇ UNVERIFIED |
| MMMedford Moulding CO. | White City | OR | — | ◇ UNVERIFIED |
| MPMedford Plating INC | White City | OR | — | ◇ UNVERIFIED |
| MWMedina Wood Products INC. | Tracy | CA | — | ◇ UNVERIFIED |
| MCMediterranean Corporation | Galax | VA | — | ◇ UNVERIFIED |
| MBMeeks Building Center | Stockton | CA | — | ◇ UNVERIFIED |
| MIMegan, INC. | Warsaw | IN | — | ◇ UNVERIFIED |
| MIMegawood, Incorporated | Troy | NC | — | ◇ UNVERIFIED |
