Copper Care Wood Preservatives
Cosaco - essential copper salts
Danish Technological Institute
Japan Wood Protection Association
Koppers Performance Chemicals (USA)
Univeristy of Ljubljana - Biotechnical faculty
Louisiana-Pacfic LP Corporation
Nordic Wood Preservation Council
Norwegian Institute of Wood Technology
RISE - The Swedish Research Institute
Swedish Wood Protection Association
TimTech Chemicals, a division of Azelis (NZ)
European Institute for Wood Preservation (WEI)