- APA – The Engineered Wood Association
- APA – Europe
- California Redwood Association
- Eastern White Pine
- Northeastern Lumber Manufacturers Association
- Pacific Lumber Inspection Bureau
- Softwood Export Council
- Southern Cypress Manufacturers Association
- Southern Forest Products Association
- Southern Pine Global
- Southern Pine Inspection Bureau
- Timber Decking Association
- Redwood Inspection Service
- West Coast Lumber Inspection Bureau
- Western Red Cedar Association
- Western Wood Products Association
