Africa
South African Wood Preservers Association (SAWPA)
Asia
Japan Wood Protection Association (JWPA)
Oceania
Australia - Wood Solutions
Australia - Forest & Wood Products (FWPA)
New Zealand Timber Preservation Council
NZ - Farm Forestry New Zealand
Timber Preservers Association of Australia
Europe
British Wood Preserving and 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)
North America
American Wood Protection Association (AWPA)
Canadian Wood Preservation Association (CWPA)
Treated Wood Council (USA)
Western Wood Preservers Institute
Wood Preservation Canada
South America
Associação Brasileira de Preservadores de Madeira