http://www.playbackcentre.org/ (New Paltz)
http://www.lifestoriesmontreal.ca/en/playback-theatre-1 (Montreal)
http://www.ottplayback.blogspot.ca/ (Montreal)
http://www.promitoplayback.com/ (Montreal)
http://www.inspiredplayback.com (Toronto)
http://www.storyboxplayback.com/ (Toronto)
https://truestorytheater.com/about-us/raves/the-power-of-playback/ has a lovely description of what Playback Theatre is, and what a performance is like.