| 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 |
| MMMoore Mill & Lumber CO | Bandon | OR | — | ◇ UNVERIFIED |
| MMMoore & Moore Sawmill | Doniphan | MO | — | ◇ UNVERIFIED |
