| ADR Institute of Ontario, Toronto | Toronto |
| Aldershot Village Business Improvement Area | Burlington |
| Bronte Business Improvement Area | Oakville |
| Burlington Chamber of Commerce | Burlington |
| Burlington Downtown Business Association | Burlington |
| Downtown Acton Business Improvement Area | Acton |
| Downtown Milton Business Improvement Area | Milton |
| Downtown Oakville Business Improvement Area | Oakville |
| Editors Canada, Hamilton-Halton Chapter | Halton Region |
| Georgetown Central Business Improvement Area, Downtown Georgetown Business Improvement Area | Georgetown |
| Halton Hills Chamber of Commerce | Georgetown |
| Insurance Bureau of Canada, Consumer Information Centre | Toronto |
| Kerr Village Business Improvement Area | Oakville |
| Milton Chamber of Commerce | Milton |
| Oakville Chamber of Commerce | Oakville |
| Oakville Milton and District Real Estate Board | Milton |
| Ontario Chamber of Commerce, Ontario - Online Service, Find a Chamber of Commerce | Ontario |
