The shooting federation of Canada would be one could option. If you let me know what you're looking for I will do my best to put you in touch with the right organization. If you are resident of Canada, let me know which province you live in.
Post on Targetshooting.ca, you'll find out far more in a timely manner than on the SFC web site.
If you're in Ontario let me know there a monthly matches for Sport, Standard and Center fire pistol under the CSSA as well as Rifle and Air Pistol matches monthly too all across Southern Ontario.
