A very good camping club is Passport America, 50% off.Their website is http://www.passport-america.com

Good Sam Club has a resevation site for 100,000 Rv parks at: http://www.reserveamerica.com/

Also there are other websites at:

http://rvpark.com/
http://www.ontarioparks.com/english/locator.html
http://www.rvcanada.com/

A Canadian Camping Club is explorer Club at: http://www.explorer-rvclub.com/

A Canadian RV Insurance Company is  at http://www.wayfarerinsurance.com/
Tell them you are a Goodsamclub member and you will get a 5% discount.