American Forest & Paper Association
American Forest Resource Council
American Institute of Timber Construction
American Lumber Standards Committee
American Wood Council
American Wood Protection Association
American Wood-Preservers' Association
Arch Wood Protection
Bay Planning Coalition
California Association of Harbor Masters & Port Captains
Canadian Wood Preservation Association
Canadian Wood Council
Chemonite Council
Creosote Council
Evergreen Foundation
Forest Products Laboratory
Forest Products Society
International Codes Council
International Research Group on Wood Preservation
International Staple, Nail and Tool Association
KMG-Bernuth
Lumber Association of California and Nevada
North American Wholesale Lumber Association
Oregon Forest Research Institute
Osmose
Pacific Coast Congress of Harbormasters & Port Managers
Pile Driving Contractors Association
Railway Tie Association
Society of Wood Science and Technology
Softwood Export Council
Temperate Forest Foundation
The Engineered Wood Association
Timber Piling Council
Timber Products Inspection
Treated Wood Council
Viance LLC
Western Wood Products Association
Western Woods Preservers Institute
Window and Door Manufacturers Association
Wood Preservation Canada
Wood Preservative Science Councild
Wood Quality Control