Greater Toronto League was an Independent League that is based in Ontario
2012 - Leaside, Newmarket, Peterborough, Thornhill Reds, Thornhill Redbirds, Toronto-East York, Toronto-Martingrove
2013 - No Teams enter or left the League
2014 - Pickering enter the league and Peterborough, and Thornhill Redbirds has left the League
2015 - Bolton enter the League
2016 - No Teams enter or left the League
2017 - Bolton has left the League
NOTE 1 - Have no information when this league has started.