South African Wood Preservers Association (SAWPA)
China Timber and Wood Products Distribution Association (CTWPDA)
China Wood Protection Industry Association (CWPIA)
Japan Wood Protection Association (JWPA)
Australia - Wood Solutions
Australia - Forest & Wood Products (FWPA)
New Zealand Timber Preservation Council
NZ - Farm Forestry New Zealand
Timber Preservers Association of Australia
British Wood Preserving & Damp-proofing Association (BWPDA)
European Wood Preservative Manufacturers Group
International Biodeterioration Research Group (IBRG)
International Research Group on Wood Protection (IRG)
Nordic Wood Preservation Council (NWPC)
Property Care Association (UK)
Swedish Wood Preservation Association
VHN The Dutch Wood Preservers' Association
WEI - European Institute for Wood Preservation
WPA Wood Protection Association (UK)
American Wood Protection Association (AWPA)
Treated Wood Council (USA)
Western Wood Preservers Institute
Wood Preservation Canada
Associação Brasileira de Preservadores de Madeira