| AGAmerican Geophysical Union | Washington | DC | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
 American Pacific INC. D/b/a Mantelcraft | Florence | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| APAmerican Pallets | Montgomery | AL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| APAmerican Pine Products | Prineville | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| APAmerican Polystyrene CORP | Torrance | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ASAmerican Stairway, INC. | Memphis | TN | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| ATAmerican Tower Plastics Incorporated | Sanford | NC | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| AWAmerican Wood Fibers INC | Olivehurst | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| AWAmerican Woodmark | Humboldt | TN | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ATAmes True Temper | Clay City | IL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| ATAmes True Temper | Wallingford | VT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| ATAmes True Temper Hdwr Union City | Union City | PA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| ATAmes True Temper Ixl Division | Bernie | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| AAAmpine: a Division of Timber Products CO | Martell | CA | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| AMAmuneal Manufacturing CORP | Philadelphia | PA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| AIAmyx Industries Inc-plant 1 | West Plains | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| ABAnderson Brothers Lumber Company INC | Amelia | VA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
 Anderson Forest Products | Tompkinsville | KY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| AWAnderson Woodturning | Gardner | MA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ASAndys Sawmill | Punxsutawney | PA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| AFAnthony Forest Products CO | Atlanta | TX | Wood Product Manufacturing321000 | — | ◇ UNVERIFIED |
| ALAnthony-higgs Lumber Co., INC. | Gurdon | AR | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| ATAnthony Timberlands | Malvern | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| ATAnthony Timberlands - Fordyce | Fordyce | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| APA-one Pallet Distributing INC | Florence | KY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| APA Plus Forest Product Mill | Warren | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| AHAppalachian Hardwood Flooring | Hickory | NC | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AKAppalachian Katahdin LLC | Patten | ME | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| ALAppalachian Log Structures | Princeton | WV | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ARAppalachian Rail System | Rural Retreat | VA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AGApplegate Greenfiber South | Springfield | KY | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| AFArauco Flake Board | Eugene | OR | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| ADArchitectural Door and Millwork INC | New Hudson | MI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AWArchitectural Woodwork | Houston | TX | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AWArchitectural Woodwork Corporation | Palmyra | MO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AWArch Wood Protection, INC. | Valparaiso | IN | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| ABArkansas Bioenergy LLC - Bearden | Bearden | AR | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ASArkansas Stave and Lumber LLC | Malvern | AR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| AIArk International Wood INC | Benton | AR | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AIArmaclad INC | Waynesboro | PA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AHArmstrong Hardwood Flooring CO | Statesville | NC | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| AHArmstrong Hardwood Flooring CO | Oneida | TN | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| AHArmstrong Hardwood Flooring CO. | Jackson | TN | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AHArmstrong Hardwood Flooring Company | Vicksburg | MS | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AHArmstrong Hardwood Flooring Company | Nashville | TN | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AWArmstrong World Industries INC | Mobile | AL | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| APArriba Poles, LLC | Arriba, 2.5 Mi W of | CO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| APArrow Planers and Moulding | Meridian | ID | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| ACArtisan Custom Doorworks | Morgantown | PA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| AMArtisan Millshop LLC | Metairie | LA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
