Alberta Plastics Recycling Association
Canadian Plastics Industry Association
Canadian Polystyrene Recycling Association
The National Association for PET Container Resources (NAPCOR)
"The trade association for the PET plastic industry in the United States and Canada."
PlasticsResource.com , American Plastics Council
'Information on Plastics and the Environment'
Polystyrene Packaging Council (PSPC)
This organization is based in the U.S.A.