They were a part of the Ontario Junior Hockey League.

Since moving to Brampton in 1989, the Capitals have been one of the more dominant teams in the OPJHL.

With three league titles, the Capitals have never moved on to the Dudley Hewitt Cup.

In 2000, the Capitals won their second league title, 4-games-to-2 over the Lindsay Muskies.

In 2002, Brampton won their third Buckland Trophy 4-games-to-2 against the Wellington Dukes.