| KWKoetter Woodworking Incorporated | Jeffersonville | IN | — | ◇ UNVERIFIED |
| KCKoppers CO | Fraser | CO | — | ◇ UNVERIFIED |
| KIKoppers INC | Green Spring | WV | — | ◇ UNVERIFIED |
| KIKoppers INC | Somerville | TX | — | ◇ UNVERIFIED |
| KIKoppers INC | Superior | WI | — | ◇ UNVERIFIED |
| KIKoppers INC | Galesburg | IL | — | ◇ UNVERIFIED |
| KIKoppers INC. | Galesburg | IL | — | ◇ UNVERIFIED |
| KIKoppers INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| KIKoppers INC. | Somerville | TX | — | ◇ UNVERIFIED |
| KIKoppers, INC | Dolomite | AL | — | ◇ UNVERIFIED |
| KIKoppers INC -clairton Plant | Clairton | PA | — | ◇ UNVERIFIED |
| KIKoppers INC (denver Co) | Denver | CO | — | ◇ UNVERIFIED |
| KIKoppers INC (green Spring Wv) | Green Spring | WV | — | ◇ UNVERIFIED |
| KIKoppers INC (grenada Ms) | Tie Plant | MS | — | ◇ UNVERIFIED |
| KIKoppers Ind | Montgomery | PA | — | ◇ UNVERIFIED |
| KIKoppers Industries, INC. | Gainesville | FL | — | ◇ UNVERIFIED |
| KCKp's Custom Milled Redwood | Piercy | CA | — | ◇ UNVERIFIED |
| KCKrailo Customs | Spring Branch | TX | — | ◇ UNVERIFIED |
| KLKravik, LLC | Osceola | WI | — | ◇ UNVERIFIED |
| KMKremmling Mfg | Unknown | CO | — | ◇ UNVERIFIED |
| KCKrieger Cabinetry, LLC | Tempe | AZ | — | ◇ UNVERIFIED |
| KLKrumenacker Lumber, LLC | Carrolltown | PA | — | ◇ UNVERIFIED |
| KSK & S Equipment | Charles City | VA | — | ◇ UNVERIFIED |
| KCKundig Contracting, INC | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| KLKw1 LLC | Virginia Beach | VA | — | ◇ UNVERIFIED |
| LFLadd Furniture Incorporated-plant #13 | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| LSLake States Lumber INC | Duluth | MN | — | ◇ UNVERIFIED |
| LSLake States Lumber/timberland | Aitkin | MN | — | ◇ UNVERIFIED |
| LTLaminate Technologies of Virginia INC | Ridgeway | VA | — | ◇ UNVERIFIED |
| LWLamoille Woodcraft | Hyde Park | VT | — | ◇ UNVERIFIED |
| LMLampe Manufacturing CO INC | Fort Worth | TX | — | ◇ UNVERIFIED |
 Lancaster Log Cabins | Salisbury, Township of | PA | — | ◇ UNVERIFIED |
| LCLancer Clad Door Frame Systems LLC | Rogers | MN | — | ◇ UNVERIFIED |
| LPLa Pacific-kremmling | Kremmling | CO | — | ◇ UNVERIFIED |
| LCLarry C Cribb | Hilliard | FL | — | ◇ UNVERIFIED |
| LPLarson Packaging Holdings, LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| LWLathrop Woodworks | Lathrop | CA | — | ◇ UNVERIFIED |
| LLat/long_used | Bakersfield | CA | — | ◇ UNVERIFIED |
| LTLaurel Treated Wood Products INC. | London | KY | — | ◇ UNVERIFIED |
| LLLawrence Lumber Company, INC. | Maiden | NC | — | ◇ UNVERIFIED |
| LDL D Mcfarland CO | Eugene | OR | — | ◇ UNVERIFIED |
| LMLee Mccurdy Construction, LLC | Darien | GA | — | ◇ UNVERIFIED |
| LWLees Woodworking, INC. | Wall Township | NJ | — | ◇ UNVERIFIED |
| LWLefco Worthington, LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| LVLegacy Vinyl Components, LLC | Lockport | IL | — | ◇ UNVERIFIED |
| LULehigh Univ/packer, Goodman, & Mountaintop Campuses | Bethlehem | PA | — | ◇ UNVERIFIED |
| LCLeisure Craft INC | Hendersonville | NC | — | ◇ UNVERIFIED |
| LDLeo D. Bernstein & Sons INC. | Shaftsbury | VT | — | ◇ UNVERIFIED |
| LHLeo Hicks Creosoting | Alto | TX | — | ◇ UNVERIFIED |
| L1Level 10 Construction | San Bruno | CA | — | ◇ UNVERIFIED |
| LCLewis & Clark Sawmill | West Alton | MO | — | ◇ UNVERIFIED |
| LFLexington Furniture Industry Plant #2 | Lexington | NC | — | ◇ UNVERIFIED |
| LMLexington Manufacturing Bldg 6 | Ramsey | MN | — | ◇ UNVERIFIED |
| LILightfoot, INC. | Brunswick | GA | — | ◇ UNVERIFIED |
| LPLightning Properties LLC | Louisville | CO | — | ◇ UNVERIFIED |
| LILignetics, INC. | Kootenai | ID | — | ◇ UNVERIFIED |
| LOLignetics of Great Lakes LLC | Hayward | WI | — | ◇ UNVERIFIED |
| LOLignetics of New England - Schuyler | Schuyler | NY | — | ◇ UNVERIFIED |
| LOLignetics of New England/youngsville | Youngsville | PA | — | ◇ UNVERIFIED |
| LOLignetics of West Virginia, Inc., Stouts Mill | Sand Fork | WV | — | ◇ UNVERIFIED |
| LBLittrell Bros Lumber CO | Vinemont | AL | — | ◇ UNVERIFIED |
| LWLl-h Woodworks LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| LCLloyds Cabinet Shop INC | Pinconning | MI | — | ◇ UNVERIFIED |
| LELmj Enterprises | Lincoln | ME | — | ◇ UNVERIFIED |
| LSLockerbie Square Cabinet Company, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| LHLoflin Handle Co., INC | Yadkinville | NC | — | ◇ UNVERIFIED |
| LWLoggins Woodwork | Kilmichael | MS | — | ◇ UNVERIFIED |
| LLLone Laurel Properties LLC | Columbus | NC | — | ◇ UNVERIFIED |
| LSLone Star Reel Corporation | Bonham | TX | — | ◇ UNVERIFIED |
| LSLone Star Reel Corporation | Mckinney | TX | — | ◇ UNVERIFIED |
| LCLongaberger Company (0660000111) | Frazeysburg | OH | — | ◇ UNVERIFIED |
| LILong Island Lumber, Inc. | Long Island | VA | — | ◇ UNVERIFIED |
| LALongwood Antique Woods LLC | Lexington | KY | — | ◇ UNVERIFIED |
| LBLost Brothers Pallet Corp. | Woonsocket | RI | — | ◇ UNVERIFIED |
| LBLotus Builds LLC | North Arlington | NJ | — | ◇ UNVERIFIED |
 Louisiana-pacific Corporation | Jasper | TX | — | ◇ UNVERIFIED |
| Louisiana-pacific Corporation - Roaring River | North Wilkesboro | NC | — | ◇ UNVERIFIED |
| Louisiana Pacific CORP Walden | Walden | CO | — | ◇ UNVERIFIED |
| Louisiana-pacific Hines Site | Hines | OR | — | ◇ UNVERIFIED |
| LDLou's Doors, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| LWLovett Woodworks LLC | Wilton | ME | — | ◇ UNVERIFIED |
| LWLovett Woodworks LLC | Wilton | ME | — | ◇ UNVERIFIED |
| LBLowder Buildings LLC | Danville | VA | — | ◇ UNVERIFIED |
| LPLowe Products Company, INC. | Shepherdstown | WV | — | ◇ UNVERIFIED |
| LMLowndes Manufacturing Company INC. | Fort Deposit | AL | — | ◇ UNVERIFIED |
| LCLozier Corporation | Fort Worth | TX | — | ◇ UNVERIFIED |
| LBLP Building Solutions | Bath | NY | — | ◇ UNVERIFIED |
| LSLP St Louis | Mitchell | IL | — | ◇ UNVERIFIED |
| LFLucedale Forestry Product LLC | Lucedale | MS | — | ◇ UNVERIFIED |
| LILumber Importers Services Corporation (l.i.s.c.o.) | Chalmette | LA | — | ◇ UNVERIFIED |
| LFLumbermen's Finishing Division | Wyoming | MI | — | ◇ UNVERIFIED |
| LOLumber One Wood Preserving LLC | Sheffield | AL | — | ◇ UNVERIFIED |
| LRLumber Remanufacturing INC | Sheridan | OR | — | ◇ UNVERIFIED |
| M1MAC 1 VENTURES, INC. dba N-Hance of Orange and Alamance Counties | Efland | NC | — | ◇ UNVERIFIED |
 MAC Holdings, Inc | Siloam Springs | AR | — | ◇ UNVERIFIED |
| MSMacon Septic Systems Company INC | Macon | MS | — | ◇ UNVERIFIED |
| MMMadison Mill, INC. (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| MBMaeder Brothers Quality Wood Pellets INC | Weidman | MI | — | ◇ UNVERIFIED |
| MTMagnolia Traditions INC | Pascagoula | MS | — | ◇ UNVERIFIED |
| MWMaley & Wertz, INC. | Evansville | IN | — | ◇ UNVERIFIED |
