Steam Whistle Brewing is an independent brewery in Toronto, Ontario, Canada. It was founded in 2000 by three former employees of Upper Canada Brewing Company after that company was bought out. The company celebrates Beer in Canada and produces a Premium Pilsner, a Premium Pale Ale (launched in 2019.) and a Premium Session Lager (launched in 2020). In the summer of 2020, the brewery also launched a sessional product with its Lemon Shandy.