| Alcoa Ltd. (1) | Alcoa Ltd. and Environment Canada | Polycyclic Aromatic Hydrocarbons (PAH) | Aluminum sector |
| Algoma Steel Inc. (1) | Algoma Steel Inc and Environment Canada | 18 Polynuclear aromatic hydrocarbons (PAHs) | Steel Industry sector |
| Automotive Parts Manufacturers’ Association (5) | Automotive Parts Manufacturers' Association, Industry Canada, and Environment Canada | Volatile Organic Compounds (VOCs) and CO2 | Automotive sector |
| Canadian Chemical Producers’ Association (All members) | Canadian Chemical Producers' Association, Environment Canada, Industry Canada, Health Canada, Ontario Minister of Environment, and Alberta Minister of Environment | Volatile Organic Compounds (VOCs) | Chemical Manufacturing sector |
| Canadian Paint and Coatings Association (13) | Canadian Paint and Coatings Association, Health Canada, Environment Canada | 2-butoxyethanol (2-BE) | Paints and Coatings sector |
| Dofasco Inc. (1) | Dofasco Inc., Environment Canada and the Ministry of Environment, Province of Ontario | Polycyclic Aromatic Hydrocarbons (PAH), Benzene, Polychlorinated Biphenyls (PCBs) | Steel Industry sector |
| Dow Chemical Canada Inc. (2) | Dow Chemical Canada Inc. and Environment Canada | 1,2-dichloroethane (DCE) | Chemical Manufacturing sector |
| Railway Association of Canada (57) | Railway Association of Canada, Transport Canada, and Environment Canada | Criteria Air Contaminants (CAC) and Greenhouse Gases (GHG) | Rail Transportation sector |
| Refractory Ceramic Fibre Industry (7) | E.F.P. Industries Inc., Fibercast, Gemcast, Pyrotek Industries, Wolf Steel, Thermal Ceramics, RHI Canada, CFM Majestic Inc., and Environment Canada | Refractory Ceramic Fibre (RCF) | Refractory Ceramic Fibre |
| Refractory Ceramic Fibre Industry (9) | Canadian Ferro Industries, Fibercast Inc., Gemcast Manufacturing Inc., Pyrotek Inc., RHI Canada, Thermal Ceramics, Tremco Canada Division (RPM Canada), Wolf Steel, CFM Majestic Inc., Environment Canada | Refractory Ceramic Fibre (RCF) | Refractory Ceramic Fibre |
| Specialty Graphic Imaging Association (4) | Specialty Graphic Imaging Association and Environment Canada | Volatile Organic Compounds (VOCs) | Printing sector |