Back U Participating Government Agencies - CDN General What are the PGA's? The Participating Government Agencies Canadian Food Inspection Agency (CFIA) Environment & Climate Change Canada (ECCC) Department of Fisheries & Oceans Canada (DFO) Natural Resources Canada (NRCAN) Canadian Nuclear Safety Commission (CNSC) Transport Canada (TC) Global Affairs Canada (GAC) Public Health Agency of Canada (PHAC) Health Canada (HC)