The following companies provide the financial support for WWPA's quality control, technical support and business information services -- including this web site. When making your lumber purchasing decisions, please consider the products manufactured by these companies. For more information on the products, services and sales contacts for WWPA Members, go to the interactive Online Lumber Buyers Guide or click on the links below to go directly to the company's web site.
A list of WWPA Grading Service mills is also available online. For a list of WWPA mill numbers, click here.
Updated August 3, 2010
Bennett Lumber Products, Inc. SFI Certified
Boise Cascade, LLC SFI Certified
C&D Lumber Company
Canyon Lumber Company, Inc. SFI Certified - Clearwater Paper Wood Products FSC Certified
Collins Pine Company FSC Certified
Columbia Vista Corporation FSC, SFI Certified
Devil's Tower Forest Products SFI Certified
Hampton Lumber Mills-Cowlitz Div. SFI Certified
Hampton Lumber Mills-Darrington Div. SFI Certified
Fort Apache Timber Company
Idaho Forest Group, LLC FSC, SFI Certified
Kinzua Lumber SFI Certified
Malheur Lumber Company
Potlatch Corporation FSC Certified
Rosboro, LLC SFI Certified
Rushmore Forest Products, Inc. SFI Certified
SDS Lumber Company
Sierra Pacific Industries SFI Certified
Simpson Lumber Company LLC SFI Certified
- Spearfish Forest Products, Inc. SFI Certified
Stimson Lumber Company SFI Certified
Sun Mountain Lumber
Swanson Group SFI Certified
Thompson River Lumber Company of Montana, Inc.
Tillamook Lumber Company SFI Certified
Unity Forest Products SFI Certified
Vaagen Brothers Lumber, Inc.
Warm Springs Forest Products Industries FSC Certified
Willamina Lumber Company SFI Certified
Yakama Forest Products of the Yakama Indian Nation BIA Certified
Zosel Lumber Company