| MRMarys River Lumber Company | Corvallis | OR | — | ◇ UNVERIFIED |
| MPMasters Post & Sawmill INC | Ezel | KY | — | ◇ UNVERIFIED |
| MLMatelski Lumber Company | Boyne Falls | MI | — | ◇ UNVERIFIED |
| MCMaxville Chip Mill | Jacksonville | FL | — | ◇ UNVERIFIED |
| MBMaxwell Brothers Lumber CO | Lewisport | KY | — | ◇ UNVERIFIED |
| MBMayr Bros Lumber Hoquiam Site | Hoquiam | WA | — | ◇ UNVERIFIED |
| MLMcarthur Lumber & Post CO | Olympia | KY | — | ◇ UNVERIFIED |
| MSMcbride Sawmill LLC | Mountain View | MO | — | ◇ UNVERIFIED |
| MFMcclain Forest Products-alton | Alton | MO | — | ◇ UNVERIFIED |
| MFMcclain Forest Products, LLC | Raymondville | MO | — | ◇ UNVERIFIED |
| MPMccormick Piling & Lumber CO | Saint Helens | OR | — | ◇ UNVERIFIED |
| MLMccraw Lumber CO INC | Cadiz | KY | — | ◇ UNVERIFIED |
| MLMcdowell Lumber Company, INC | Asheboro | NC | — | ◇ UNVERIFIED |
| MLMcentyre Lumber Company | Glencoe | AL | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Pole & Lumber CO | Warren | OR | — | ◇ UNVERIFIED |
| MLMcgee Lumber CO INC | Aliceville | AL | — | ◇ UNVERIFIED |
| MLMckinney Log & Lumber INC | Elkton | KY | — | ◇ UNVERIFIED |
| MLMckinney Lumber Company INC | Tuscumbia | AL | — | ◇ UNVERIFIED |
| MLMcshan Lumber Company, INC. | Mc Shan | AL | — | ◇ UNVERIFIED |
| MIMdlg, INC. Dba Phenix Lumber CO. & John M. Dudley | Phenix City | AL | — | ◇ UNVERIFIED |
| MWMeador Wood Products INC. | Flat Top | WV | — | ◇ UNVERIFIED |
| MRMeadow River Hardwood Lumber Company, LLC | Rainelle | WV | — | ◇ UNVERIFIED |
| MWMead Westvaco Corporation | Cottonton | AL | — | ◇ UNVERIFIED |
| MLMebane Lumber Company Incorporated | Mebane | NC | — | ◇ UNVERIFIED |
| MRMeherrin River Forest Products | Alberta | VA | — | ◇ UNVERIFIED |
| MFMeisters Forest Products | Black River Falls | WI | — | ◇ UNVERIFIED |
| MHMemphis Hardwood Flooring Co, Grenada | Grenada | MS | — | ◇ UNVERIFIED |
| MHMemphis Hardwood Flooring Company, Bentonia Facility | Bentonia | MS | — | ◇ UNVERIFIED |
| MHMemphis Hardwood Flooring Company, Bruce | Bruce | MS | — | ◇ UNVERIFIED |
| MFMendocino Forest Products CO. Llc, Calpella Distribution Center | Calpella | CA | — | ◇ UNVERIFIED |
| MTMenominee Tribal Enterprises | Neopit | WI | — | ◇ UNVERIFIED |
| MHMenzner Hardwoods CO. | Marathon | WI | — | ◇ UNVERIFIED |
| MSMerchandiser & Shipping Product | Leola | AR | — | ◇ UNVERIFIED |
| MPMeredith Pole & Timber | Fitzgerald | GA | — | ◇ UNVERIFIED |
| MHMeridien Hardwoods/pittsfield | Pittsfield | PA | — | ◇ UNVERIFIED |
| MBMerritt Brothers Lumber | Athol | ID | — | ◇ UNVERIFIED |
| MWMfp Willits | Willits | CA | — | ◇ UNVERIFIED |
| MGM G Building Materials | San Antonio | TX | — | ◇ UNVERIFIED |
| MAMichael Allen White, Jr. | Mount Vernon | OR | — | ◇ UNVERIFIED |
| MAMid America Hardwoods-mid America Hardwoods | Sarcoxie | MO | — | ◇ UNVERIFIED |
| MBMiddleton Building Supply | Middleton | NH | — | ◇ UNVERIFIED |
| MTMidkiff Timber LLC | Wingina | VA | — | ◇ UNVERIFIED |
| MHMidwest Hardwoods Corporation | Reedsburg | WI | — | ◇ UNVERIFIED |
| MWMidwest Walnut Co-midwest Walnut CO | Willow Springs | MO | — | ◇ UNVERIFIED |
| MWMidwest Walnut Company Iowa | Willow Springs | MO | — | ◇ UNVERIFIED |
| MLMilan Lumber Company, LLC | Milan | NH | — | ◇ UNVERIFIED |
| MCMiller & Company | Demopolis | AL | — | ◇ UNVERIFIED |
| MCMiller & Company INC | Selma | AL | — | ◇ UNVERIFIED |
| MLMiller Logging, INC | Fredericksburg | OH | — | ◇ UNVERIFIED |
| MCMiller's Custom Sawing LLC | Middlefield | OH | — | ◇ UNVERIFIED |
| MSMiller Shingle CO INC | Snoqualmie | WA | — | ◇ UNVERIFIED |
| MSMill Spring Chip Plant | Mill Spring | MO | — | ◇ UNVERIFIED |
| MIMillwood, INC. | Waverly | OH | — | ◇ UNVERIFIED |
| MLMilton Lumber Company, INC. | Dover | TN | — | ◇ UNVERIFIED |
| MWMingo Wood Products LLC | Cabin Creek | WV | — | ◇ UNVERIFIED |
| MFMission Forest Products Corinth Sawmill | Corinth | MS | — | ◇ UNVERIFIED |
| MFMission Forest Products Lp, Mission Forest Products Corinth Sawmill | Corinth | MS | — | ◇ UNVERIFIED |
| MLMiss Lou Lumber Company LLC | Liberty | MS | — | ◇ UNVERIFIED |
| MOMissouri Oak Flooring-brighton | Brighton | MO | — | ◇ UNVERIFIED |
| MLMissouri-pacific Lumber CO Inc-missouri-pacific Lumber CO INC | Fayette | MO | — | ◇ UNVERIFIED |
| MVMister V's Woodworks | Weslaco | TX | — | ◇ UNVERIFIED |
| MLM L Cedar Products INC | Forks | WA | — | ◇ UNVERIFIED |
| MOMlc of Wakefield INC | Wakefield | MI | — | ◇ UNVERIFIED |
| MTMockingbird Transfer | Titusville | FL | — | ◇ UNVERIFIED |
| MOMonroe Oak INC | Sheridan | OR | — | ◇ UNVERIFIED |
| MMMoore Mill & Lumber CO | Bandon | OR | — | ◇ UNVERIFIED |
| MMMoore & Moore Sawmill | Doniphan | MO | — | ◇ UNVERIFIED |
| MRMoose River Lumber Company, INC. - Moose River | Moose River | ME | — | ◇ UNVERIFIED |
| MTMorgan Timber Products | Fort Collins | CO | — | ◇ UNVERIFIED |
| MTMorganton Timber Products INC | Morganton | NC | — | ◇ UNVERIFIED |
| MOMountain Oak Mill | Hamilton | GA | — | ◇ UNVERIFIED |
| MTMountain Top Timber Products LLC | Dungannon | VA | — | ◇ UNVERIFIED |
| MVMountain View Lumber | Punxsutawney | PA | — | ◇ UNVERIFIED |
| MAMount Airy Lumber Company | New Providence | PA | — | ◇ UNVERIFIED |
| MPMo-wood Products INC. | California | MO | — | ◇ UNVERIFIED |
| MSM & S LLC | Madras | OR | — | ◇ UNVERIFIED |
| MYMt. Yonah Lumber CO. | Cleveland | GA | — | ◇ UNVERIFIED |
| MBMurdock Building Company, Inc. | Bunn | NC | — | ◇ UNVERIFIED |
| MCMurphy Company | Sweet Home | OR | — | ◇ UNVERIFIED |
| NFNapoleon Forest Products | Napoleon | IN | — | ◇ UNVERIFIED |
| NHNapoleon Hardwood INC | Batesville | IN | — | ◇ UNVERIFIED |
| NLNational Lumber | Glasgow | KY | — | ◇ UNVERIFIED |
| NLNational Lumber | Russellville | KY | — | ◇ UNVERIFIED |
| NSNational Salvage and Service Corporation | Colbert | GA | — | ◇ UNVERIFIED |
| NSNational Salvage and Service Corporation | Selma | AL | — | ◇ UNVERIFIED |
| NJNatron Jasper Wood Products | Jasper | OR | — | ◇ UNVERIFIED |
| NCN. C. Hunt, Inc. | Damariscotta | ME | — | ◇ UNVERIFIED |
| NFNeal Forest Industries LLC | Salem | SC | — | ◇ UNVERIFIED |
| NLNeff Lumber Mills INC | Broadway | VA | — | ◇ UNVERIFIED |
| NENeiman Enterprises, INC. | Montrose | CO | — | ◇ UNVERIFIED |
| NENeiman Enterprises INC. D.b.a Rushmore Forest Products INC | Hill City | SD | — | ◇ UNVERIFIED |
| NINemroc INC | Alpena | MI | — | ◇ UNVERIFIED |
| NLNeshoba Lumber LLC | Philadelphia | MS | — | ◇ UNVERIFIED |
| NSNETZER'S SAWMILL, LLC | Oldtown | MD | — | ◇ UNVERIFIED |
| NCNew-indy Catawba LLC - Jonesville Chip Mill | Jonesville | SC | — | ◇ UNVERIFIED |
| NFNewlife Forest Products, LLC - Windfall Sawmill | Bellemont | AZ | — | ◇ UNVERIFIED |
| NRNew River Building Supply INC | Boone | NC | — | ◇ UNVERIFIED |
| NRNew River Hardwoods - Cumberland Gap Sawmill | Ewing | VA | — | ◇ UNVERIFIED |
| NRNew River Hardwoods INC. | Smoot | WV | — | ◇ UNVERIFIED |
| NSNew South Lumber Company INC | Conway | SC | — | ◇ UNVERIFIED |
