| | Organization Name(s) | Located In |
Address |
| | Belfountain Heritage Society | Belfountain |
|
| | Brampton Heritage Board | Brampton |
|
| | Brampton Historical Society | Brampton |
|
 | Caledon. Development Approval & Planning Policy, Heritage Resource Office | Caledon East |
Town of Caledon 6311 Old Church Rd Caledon, ON L7C 1J6 |
 | Historic Bovaird House | Brampton |
563 Bovaird Dr E Brampton, ON |
 | Mississauga Heritage Foundation | Mississauga |
1921 Dundas St W Mississauga, ON L5K 1R2 |
 | Multicultural History Society of Ontario | Greater Toronto Area |
Columbus Centre 901 Lawrence Avenue W, Room 307 Toronto, ON M6A 1C3 |
 | Museums of Mississauga, City of Mississauga, Community Services, Culture Division, Bradley Museum | Mississauga |
Bradley Museum 1620 Orr Rd Mississauga, ON L5J 4T2 |
 | Museums of Mississauga, City of Mississauga, Community Services, Culture Division, Bradley Museum, Benares Historic House & Leslie Log House | Mississauga |
Bradley Museum 1620 Orr Rd Mississauga, ON L5J 4T2 |
 | Ontario Aviation Historical Society, Great War Flying Museum | Cheltenham |
13691 McLaughlin Rd Caledon, On |
 | South Simcoe Railway Heritage Corporation | Tottenham |
Mill St W Tottenham, ON L0G 1W0 |
 | The Living City Foundation | North York West |
5 Shoreham Dr Downsview, ON M3N 1S4 |
 | Toronto and Region Conservation Authority | North York West |
5 Shoreham Dr Downsview, ON M3N 1S4 |