| Organization / Program Name(s) | Description (Brief) | Areas Served |
|---|---|---|
| Brewster's Lake Home Owners Association | Membership organization for owners of the 69 properties and approximately 50 homes that surround Brewster Lake. Membership is voluntary. | Osprey |
| Ontario Trails Council | A charitable membership driven organization that promotes the development, preservation, management and use of recreational trails and trail based activities in Ontario. | Ontario |