| KMKennan Millworks LLC | Kennan | — | ◇ UNVERIFIED |
| KLKersten Lumber Co, INC | Birnamwood | — | ◇ UNVERIFIED |
| KIKingdom Investments Lumber LLC | Beaver Dam | — | ◇ UNVERIFIED |
| KIKingdom Investments Lumber LLC | Arlington | — | ◇ UNVERIFIED |
| KCKonkel Custom Woodworks, INC. | Rockland | — | ◇ UNVERIFIED |
| KIKoppers INC | Superior | — | ◇ UNVERIFIED |
| KLKravik, LLC | Osceola | — | ◇ UNVERIFIED |
| KTK Town Pallet | Kenosha | — | ◇ UNVERIFIED |
| KFKuehn Forest Products, LLC | Neillsville | — | ◇ UNVERIFIED |
| LDLa Darling CO | Sun Prairie | — | ◇ UNVERIFIED |
| LPLakeshore Pallet, INC. | Howards Grove | — | ◇ UNVERIFIED |
| LILamico INC | Oshkosh | — | ◇ UNVERIFIED |
| LBLange Bros. Woodwork Co., INC. | Milwaukee | — | ◇ UNVERIFIED |
| LULange Urban Sustainable Homes LLC | Grafton | — | ◇ UNVERIFIED |
| LWLincoln Wood Products | Merrill | — | ◇ UNVERIFIED |
| LRLittle River Wood Products INC. | Arcadia | — | ◇ UNVERIFIED |
| LRLJK Real Estate Holdings, LLC | Stetsonville | — | ◇ UNVERIFIED |
| LPLoyal Pallet, INC | Loyal | — | ◇ UNVERIFIED |
| LSLumber Sales & Products INC. | Jackson | — | ◇ UNVERIFIED |
| LPLyons Pallets | Woodville | — | ◇ UNVERIFIED |
| MOMacdonald & Owen Veneer and Lumber Co., INC. | Luck | — | ◇ UNVERIFIED |
| MDManternach Development CO. | Milwaukee | — | ◇ UNVERIFIED |
| MDManternach Development CO. | Friendship | — | ◇ UNVERIFIED |
| MPManufacturer's Pallet and Disposal, INC. | Waupaca | — | ◇ UNVERIFIED |
| MTMarshall Towne Millwork LLC Dba Auburn Ridge | Marshall | — | ◇ UNVERIFIED |
| MWMarth Wood Shavings Supply INC | Marathon | — | ◇ UNVERIFIED |
| MFMartin Forestry Products | Unity | — | ◇ UNVERIFIED |
| MCMasonite CORP | Marshfield | — | ◇ UNVERIFIED |
| MIMasonite International Corporation | Thorp | — | ◇ UNVERIFIED |
| MRMCA Real Estate Holdings LLC | Milwaukee | — | ◇ UNVERIFIED |
| MCMcdermott Cue Mfg LLC | Menomonee Falls | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Holdings INC Cameron Plant | Cameron | — | ◇ UNVERIFIED |
| MPM.d. Pallet, INC. | Milwaukee | — | ◇ UNVERIFIED |
| MFMeisters Forest Products | Black River Falls | — | ◇ UNVERIFIED |
| MIMenard, INC. | Eau Claire | — | ◇ UNVERIFIED |
| MDMenards Distribution Center | Eau Claire | — | ◇ UNVERIFIED |
| MTMenominee Tribal Enterprises | Neopit | — | ◇ UNVERIFIED |
| MHMenzner Hardwoods CO. | Marathon | — | ◇ UNVERIFIED |
| MGM. G. Bender, Inc. | Howards Grove | — | ◇ UNVERIFIED |
| MHMidwest Hardwood Corporation | Westby | — | ◇ UNVERIFIED |
| MHMidwest Hardwoods Corporation | Reedsburg | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Eau Claire | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing, INC | Eau Claire | — | ◇ UNVERIFIED |
| MPMidwest Prefinishing INC | Middleton | — | ◇ UNVERIFIED |
| MTMidwest Tops INC | Milwaukee | — | ◇ UNVERIFIED |
| MWMidwest Woodturners LLC | Spring Valley | — | ◇ UNVERIFIED |
| MAMILLWORX AQUISITIONS, Inc. | Merrill | — | ◇ UNVERIFIED |
| MPMilwaukee Pallet, LLC | Milwaukee | — | ◇ UNVERIFIED |
| MWMinocqua Wood Products, LLC | Minocqua | — | ◇ UNVERIFIED |
| MMMisty Meadows Wood Products INC | Glenwood City | — | ◇ UNVERIFIED |
