Here are some links you may be interested in:

EOSARDA: Eastern Ontario Square and Round Dance Association
(www.squaretime.on.ca)

Square Dance Clubs and Organizations:
One of the most comprehensive World-wide list of all Clubs, Organizations and Events
(www.dosado.com/clubsorgs/default.htm)

PJ's: Check out Paul and Judy Adams' "Plus Club" that meets every Friday night during the dancing season.