| Arcelor Mittal Defasco |
| CANSTOREnergy |
| Citizens |
| City of Hamilton- Planning and Economic Development |
| City of Hamilton- Public Health |
| City of Hamilton – Public Works |
| City of Hamilton – Ward 3 Office |
| City of Hamilton – Ward 4 Office |
| City of Hamilton – Ward 12 Office |
| Corr Environmental |
| Ecosystem Informatics |
| Energy Dimensions |
| Environment and Climate Change Canada |
| Environment Hamilton |
| Green Venture |
| Hamilton Oshawa Port Authority |
| Health Canada |
| Hamilton Industrial Environmental Association |
| Sarnia Lambton BASES |
| McKibbon Wakefield |
| McMaster University |
| Mohawk College |
| Niagara College |
| Ontario Ministry of Environment, Conservation, and Parks |
| Piera Systems |
| Stantec |
| Stelco |
| Trees Please |
| University of Toronto |
