| SPStatewide Pallet Recycling INC. | Suamico | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SPStatewide Pallet Recycling INC. | De Pere | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SIStratis Industries | Centuria | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SWSummit Wood Products LLC | Milwaukee | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TITeutonia Industrial LLC | Milwaukee | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TCThe Combination Door CO. | Fond du Lac | WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| TCThe Community Warehouse, INC. | Milwaukee | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TPThunder Pallet, INC. | Theresa | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TLTienergy, LLC | Superior | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TCTimber Creek Resource, LLC | Newton | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TCTimber Creek Resource, LLC | Janesville | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TFTri Formed Top CORP. | Wauwatosa | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TTrimpac | Stratford | WI | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TCTrustor Corporation | Wausau | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TFTwin Forest Products, LLC | Marathon | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| UVUfp Ventures Ii | Prairie Du Chien | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| UPUnited Packaging INC | Reedsville | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| VPValley Planing Mill, Inc. | Appleton | WI | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| WPWayne Pallets, INC. | Downsville | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WSWeather Shield INC | Park Falls | WI | Wood Product Manufacturing321910 | — | ◇ UNVERIFIED |
| WVWeber Veneer & Plywood | Shawano | WI | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| WFWelter Forest Products, INC. | Richland Center | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WCWhite Cedar Shingles, INC. | Superior | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WWWinter Woods, INC. | Glidden | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| WBWisconsin Box Company | Cleveland | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| WHWisconsin Hardwoods LLC | Mason | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WVWisconsin Veneer and Plywood INC. | Mattoon | WI | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| WWWisconsin Window Concepts, INC. | Waukesha | WI | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| WRWolf River Lumber Company | New London | WI | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| WMWoodline Manufacturing INC | Superior | WI | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| WPWoodmill Products, INC. | New Berlin | WI | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WHWoodspirit Handcraft | Ashland | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
