| Conservation Halton, Public Education/Outreach Programs | Burlington |
| Conservation Halton, School Programs | Halton Region |
| Focus on Nature, Halton Branch - Mailing Address | Oakville |
| Halton Environmental Network | Oakville |
| Oakville Parent-Child Centre, Oakville - 461 North Service Rd W - Main Location, Parent, Child & Family Programs | Oakville |
| Oakvillegreen Conservation Association | Oakville |
| Ontario. Ministry of the Environment, Conservation and Parks, Bronte Creek Provincial Park | Oakville |
| Willow Park Ecology Centre | Halton Hills |
