I know I haven't met too many people in the BDSM scence in Ontario, I've met a few from Toronto, but most seem to be hidden away somewhere, I think you have to start really looking yourself, I wouldn't wait for them to come to you.

As for Dommes, they do exist in Toronto, the ones I do know (not personally) are bisexual, and are poly.

Are you looking in other forums? Or is this the first place you have been so far?