| KSKola Sawmill LLC | Collins | MS | — | ◇ UNVERIFIED |
| KCKonkel Custom Woodworks, INC. | Rockland | WI | — | ◇ UNVERIFIED |
| KCKoppers CO | Fraser | CO | — | ◇ UNVERIFIED |
| KUKoppers Utility and Industrial Products INC - Rosepine Facility | Deridder | LA | — | ◇ UNVERIFIED |
| KHKorby Holcomb Dba Lynchburg Lumber CO | Lynchburg | TN | — | ◇ 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 |
| KFKronotex Flooring LLC | Barnwell | SC | — | ◇ UNVERIFIED |
| KUKronotex USA Holdings INC | Barnwell | SC | — | ◇ UNVERIFIED |
| KLKrumenacker Lumber, LLC | Carrolltown | PA | — | ◇ UNVERIFIED |
| KSK & S Equipment | Charles City | VA | — | ◇ UNVERIFIED |
| KFKuehn Forest Products, LLC | Neillsville | WI | — | ◇ UNVERIFIED |
| KCKundig Contracting, INC | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| KLKutz, L.l.c. | Vance | AL | — | ◇ UNVERIFIED |
| LLLabranche Lumber Co., INC. | Newport | VT | — | ◇ UNVERIFIED |
| LBLa Bruna Industries INC | Ontario | CA | — | ◇ UNVERIFIED |
| LILabruna Industries INC | Ontario | CA | — | ◇ UNVERIFIED |
| LDLaguna Designs INC | Placentia | CA | — | ◇ UNVERIFIED |
| LELake Elmo Hardwood Lumber | Lake Elmo | MN | — | ◇ UNVERIFIED |
| LSLake Shore Stair Co.,inc. | Ingleside | IL | — | ◇ UNVERIFIED |
| LWLakeside Wood Products INC | La Follette | TN | — | ◇ UNVERIFIED |
| LSLake States Lumber INC | Aitkin | MN | — | ◇ UNVERIFIED |
| LSLake States Lumber INC | Brooklyn Park | MN | — | ◇ 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 |
| LILancer, INC. | Star | NC | — | ◇ UNVERIFIED |
| LLLandmark Lumber of Nevada, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| LOLand of Lincoln Lumber, LLC | Raleigh | IL | — | ◇ UNVERIFIED |
| LRLand & Resource Management INC. | Kalispell | MT | — | ◇ UNVERIFIED |
| LPLane Plywood | Eugene | OR | — | ◇ UNVERIFIED |
| LBLange Bros. Woodwork Co., INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| LLLansaw lumber products Limited Liability Company | Eubank | KY | — | ◇ UNVERIFIED |
| LILarix INC | Dawson Springs | KY | — | ◇ UNVERIFIED |
| LELarocco Enterprises Dba Greenbrier Architectural W | Ronceverte | WV | — | ◇ UNVERIFIED |
| LPLarson Packaging Holdings, LLC | El Cajon | CA | — | ◇ UNVERIFIED |
| LLLasalle Lumber Company, LLC | Urania | LA | — | ◇ UNVERIFIED |
| LSLatham Stairs and Millwork's inc. | Sanger | TX | — | ◇ UNVERIFIED |
| LWLathrop Wood Works | Lathrop | CA | — | ◇ UNVERIFIED |
| LWLathrop Woodworks | Lathrop | CA | — | ◇ UNVERIFIED |
| LSLaurel Summit Lumber LLC | Boswell | PA | — | ◇ UNVERIFIED |
| LLLausmann Lumber & Moulding CO. | Loomis | CA | — | ◇ UNVERIFIED |
| LILawman Industries LLC | Lacey | WA | — | ◇ UNVERIFIED |
| LJLawrence Jakes, Jr. | Pomfret Center | CT | — | ◇ UNVERIFIED |
| LLLawrence Lumber Company, INC. | Maiden | NC | — | ◇ UNVERIFIED |
| LCLayout Completion INC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
