| HWHonolulu Wood Treating LLC | Kapolei | HI | — | ◇ UNVERIFIED |
| HIHood Industries INC. | Coushatta | LA | — | ◇ UNVERIFIED |
| HIHood Industries, INC. | Metcalf | GA | — | ◇ UNVERIFIED |
| HIHood Industries Inc, Waynesboro | Waynesboro | MS | — | ◇ UNVERIFIED |
| HTHoover Treated Wood Products | Pine Bluff | AR | — | ◇ UNVERIFIED |
| HTHoover Treated Wood Products INC | Thomson | GA | — | ◇ UNVERIFIED |
| HTHoover Treated Wood Products, INC. | Halifax | NC | — | ◇ UNVERIFIED |
| HTHoover Treated Wood Products, INC. | Detroit | MI | — | ◇ UNVERIFIED |
| HRHumboldt Redwood Company LLC | Scotia | CA | — | ◇ UNVERIFIED |
| HFHunt Forest Products LLC | Pollock | LA | — | ◇ UNVERIFIED |
| HPHuxford Pole & Timber CO. INC. | Atmore | AL | — | ◇ UNVERIFIED |
| HIHydrolake INC | Mc Bain | MI | — | ◇ UNVERIFIED |
 Idaho Forest Group LLC - Bennett-grangeville | Grangeville | ID | — | ◇ UNVERIFIED |
| Idaho Forest Group LLC - Riley Creek-moyie Springs | Moyie Springs | ID | — | ◇ UNVERIFIED |
| ITIdaho Timer CORP of Illinois | Rochelle | IL | — | ◇ UNVERIFIED |
| IInterfor-eatonton | Eatonton | GA | — | ◇ UNVERIFIED |
| IGInterfor Gilchrist Division | Gilchrist | OR | — | ◇ UNVERIFIED |
| ILInterfor Longview Lumber Mill | Longview | WA | — | ◇ UNVERIFIED |
| IMInterfor Molalla | Molalla | OR | — | ◇ UNVERIFIED |
| IPInterfor Pacific | Port Angeles | WA | — | ◇ UNVERIFIED |
| IUInterfor U.s. INC. | Belk | AL | — | ◇ UNVERIFIED |
| IUInterfor U.s. INC. - Baxley Sawmill | Baxley | GA | — | ◇ UNVERIFIED |
| IUInterfor U.s. INC. - Swainsboro Sawmill | Swainsboro | GA | — | ◇ UNVERIFIED |
| IFInternational Forest Products | Houston | TX | — | ◇ UNVERIFIED |
| IPInternational Paper CO - Rome Linerboard Mill | Rome | GA | — | ◇ UNVERIFIED |
| IPInternational Paper Silverstreet Chip Mill | Silverstreet | SC | — | ◇ UNVERIFIED |
| IPInterstate Paper LLC Dba Dssmith Riceboro | Riceboro | GA | — | ◇ UNVERIFIED |
| IWIowa Wood Preservers INC | Oskaloosa | IA | — | ◇ UNVERIFIED |
| ISIp Springfield Paper Mill | Springfield | OR | — | ◇ UNVERIFIED |
| JLJasper Lumber Co/so Wood Chips - Green Tree Shavings | Jasper | AL | — | ◇ UNVERIFIED |
| JNJoe N Miles & Sons INC | Silver Creek | MS | — | ◇ UNVERIFIED |
| JAJohn a Biewer CO of Illinois | Seneca | IL | — | ◇ UNVERIFIED |
| KHKane Hardwood Collins Pine CO | Kane | PA | — | ◇ UNVERIFIED |
| KFKettle Falls Lumber | Kettle Falls | WA | — | ◇ UNVERIFIED |
| KFKeystone Fence Supply CO LLC | Schaefferstown | PA | — | ◇ UNVERIFIED |
| KKKith Kitchens-florence | Florence | AL | — | ◇ UNVERIFIED |
| KKKith Kitchens, LLC | Haleyville | AL | — | ◇ UNVERIFIED |
| KLKlausner Lumber One LLC | Live Oak | FL | — | ◇ UNVERIFIED |
| KRKnife River Linnton | Portland | OR | — | ◇ UNVERIFIED |
| KIKoppers, INC. | North Little Rock | AR | — | ◇ UNVERIFIED |
| KIKoppers, INC. | Guthrie | KY | — | ◇ UNVERIFIED |
| KIKoppers Incorporated Salem Plant | Salem | VA | — | ◇ UNVERIFIED |
| KIKoppers INC (susquehana Pa) | Montgomery | PA | — | ◇ UNVERIFIED |
| KIKoppers Industries | Somerville | TX | — | ◇ UNVERIFIED |
| KIKoppers Industries Incorporated | Florence | SC | — | ◇ UNVERIFIED |
| KUKoppers Utility & Industrial Products INC - Kennedy Plant | Kennedy | AL | — | ◇ UNVERIFIED |
| KWKountry Wood Products LLC | Nappanee | IN | — | ◇ UNVERIFIED |
| KLKronospan LLC - Ohatchee Log Yard | Ohatchee | AL | — | ◇ UNVERIFIED |
| LOLand O Lakes Wood Preserving CO | Tenstrike | MN | — | ◇ UNVERIFIED |
| LFLangdale Forest Prods CO | Sweetwater | TN | — | ◇ UNVERIFIED |
| LBLasalle Bioenergy LLC | Urania | LA | — | ◇ UNVERIFIED |
| LLLasalle Lumber CO LLC - Urania Sawmill | Urania | LA | — | ◇ UNVERIFIED |
| LCLavelle Company | Fargo | ND | — | ◇ UNVERIFIED |
| LLLevesque Landfill | Ashland | ME | — | ◇ UNVERIFIED |
| LMLexington Manufacturing | Prineville | OR | — | ◇ UNVERIFIED |
| LLLong Life Treated Wood | Hebron | MD | — | ◇ UNVERIFIED |
 Louisiana Pacific CORP. Silsbee Tx | Silsbee | TX | — | ◇ UNVERIFIED |
| MTMaderas Tratadas (former Boricua Wood) | Toa Baja | PR | — | ◇ UNVERIFIED |
| MLManke Lumber / Superior Wood Treating | Sumner | WA | — | ◇ UNVERIFIED |
| MCMarquis CORP. Dba Marquis Spas | Independence | OR | — | ◇ UNVERIFIED |
| MLMartco LLC - Chopin Mill | Chopin | LA | — | ◇ UNVERIFIED |
| MPMartco Partnership | Morrow | LA | — | ◇ UNVERIFIED |
| MLMcarthur Lumber and Post | Mc Arthur | OH | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Pole and Lumber | Eugene | OR | — | ◇ UNVERIFIED |
| MCMcfarland Cascade Pole and Lumber CO | Tacoma | WA | — | ◇ UNVERIFIED |
| MIMenard INC Midwest Mfg & Dist | Eau Claire | WI | — | ◇ UNVERIFIED |
| MCMerillat Corporation | Mount Jackson | VA | — | ◇ UNVERIFIED |
| MEMerit Energy Company, LLC - Tobey Compressor Station | Charleston | AR | — | ◇ UNVERIFIED |
| MSMid South Lumber INC | Meridian | MS | — | ◇ UNVERIFIED |
| MWMid-states Wood Preservers LLC | Simsboro | LA | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing Treating Plant | Plano | IL | — | ◇ UNVERIFIED |
| MMMidwest Mfg Holiday City Treating Plant | Holiday City | OH | — | ◇ UNVERIFIED |
| MMMidwest Mfg Valley Treating Plant | Valley | NE | — | ◇ UNVERIFIED |
| MTMidwest Timber INC | Edwardsburg | MI | — | ◇ UNVERIFIED |
| MBMiles Bogalusa Mill | Bogalusa | LA | — | ◇ UNVERIFIED |
 Missouri Tie LLC | Reynolds | MO | — | ◇ UNVERIFIED |
| MWMissouri Walnut LLC | Neosho | MO | — | ◇ UNVERIFIED |
| MPMurphy Plywood (prairie Road) | Eugene | OR | — | ◇ UNVERIFIED |
| NANaval Air Station Pensacola | Pensacola | FL | — | ◇ UNVERIFIED |
| NBNew Boston Lumber Mill | New Boston | TX | — | ◇ UNVERIFIED |
| NTNortheast Treaters INC | Belchertown | MA | — | ◇ UNVERIFIED |
| NHNorth Hudson Woodcraft Corporation | Dolgeville | NY | — | ◇ UNVERIFIED |
| NBNorthwest Building Tech | Seattle | WA | — | ◇ UNVERIFIED |
| NHNorthwest Hardwoods, INC. - Dailey Yard | Dailey | WV | — | ◇ UNVERIFIED |
| NPNorthwood Panelboard Company | Solway | MN | — | ◇ UNVERIFIED |
| NCNu-wood Company, LLC | Goshen | IN | — | ◇ UNVERIFIED |
| ODOilfield Division | Lufkin | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Cedartown | GA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden | Tulia | TX | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden-aber | Aberdeen | NC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden Elmer | Elmer | NJ | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden INC | Doswell | VA | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Garden, INC. | Davenport | FL | — | ◇ UNVERIFIED |
| OCOld Castle Lawn and Garden INC - Pageland Plant | Pageland | SC | — | ◇ UNVERIFIED |
| OLOldcastle Lawn and Gdns | Paola | KS | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Noblesville | IN | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Tylertown | MS | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Amherst Junction | WI | — | ◇ UNVERIFIED |
| OLOldcastle Lawn & Garden | Powderly | TX | — | ◇ UNVERIFIED |
