| MLMaibec Lumber, INC | Masardis | ME | — | ◇ UNVERIFIED |
| MWMaine Woods Hardwood Manufacturing | Portage | ME | — | ◇ UNVERIFIED |
| MWMajestic Wood Products Ii LLC | White City | OR | — | ◇ UNVERIFIED |
| MSMakah Sawmill | Neah Bay | WA | — | ◇ UNVERIFIED |
| MLMalheur Lumber CO | John Day | OR | — | ◇ UNVERIFIED |
| MHMandy Hawkins | Aztec | NM | — | ◇ UNVERIFIED |
| MLManke Lumber CO INC Shelton Log Dump | Shelton | WA | — | ◇ UNVERIFIED |
| MAMansfield, a Division of West Fraser, INC | Mansfield | AR | — | ◇ UNVERIFIED |
| MHMaple Hardwoods INC Dba Maples Sawmill INC | Hessel | MI | — | ◇ UNVERIFIED |
| MRMaple Rapids Lumber Mill INC | Saint Johns | MI | — | ◇ UNVERIFIED |
| MSMaples Sawmill | Hessel | MI | — | ◇ UNVERIFIED |
| MSMarathon Staffing | Thornton | CA | — | ◇ UNVERIFIED |
| MTMarcum Transport, INC. | Verdunville | WV | — | ◇ UNVERIFIED |
| MLMarine Lumber CO. | Tualatin | OR | — | ◇ UNVERIFIED |
| MHMarion Hardwoods INC | Marion | KY | — | ◇ UNVERIFIED |
| MCMark Chatham | Reagan | TN | — | ◇ UNVERIFIED |
| MTMark Twain Forest Products CO. | Centerville | MO | — | ◇ UNVERIFIED |
| MLMarsh Lumber CO | Pamplico | SC | — | ◇ UNVERIFIED |
| MLMarvin Lumber and Cedar Company, LLC | Baker City | OR | — | ◇ UNVERIFIED |
| MRMarys River Lumber | Philomath | OR | — | ◇ UNVERIFIED |
| MRMarys River Lumber CO | Montesano | WA | — | ◇ UNVERIFIED |
| MRMarys River Lumber CO INC | Bow | WA | — | ◇ UNVERIFIED |
| MRMarys River Lumber Company | Corvallis | OR | — | ◇ UNVERIFIED |
| MIMasonite International Corporation | Stockton | CA | — | ◇ UNVERIFIED |
| MCMaster Craft Millwork INC | Denver | CO | — | ◇ 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 |
| MWMay Wood Industries, INC. | Alsip | IL | — | ◇ UNVERIFIED |
| MTMcardle Timber Enterprises, INC. | Brewton | AL | — | ◇ UNVERIFIED |
| MLMcarthur Lumber & Post CO | Olympia | KY | — | ◇ 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 |
| MPMccormick Piling & Lumber CO | Saint Helens | OR | — | ◇ UNVERIFIED |
| MLMccraw Lumber CO INC | Cadiz | KY | — | ◇ UNVERIFIED |
| MGMccrorie Group, LLC - Cranford Woodcarving | Hickory | NC | — | ◇ 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 |
| MEMcquown Enterprises, LLC. | Sonoma | CA | — | ◇ UNVERIFIED |
| MLMcshan Lumber Company, INC. | Mc Shan | AL | — | ◇ UNVERIFIED |
| MWMc Wood, LLC | Pontotoc | MS | — | ◇ 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 |
| MLMenzner Lumber and Supply CO | Somerset | KY | — | ◇ UNVERIFIED |
| MLMenzner Lumber and Supply Company | Walnut Grove | KY | — | ◇ 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 |
| MBMettam Brothers Lumber Company, LLC | Saint Clair | PA | — | ◇ 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 |
