Here are some links to other secular humanist organizations.

National Organizations:
Centre for Inquiry Canada: http://centreforinquiry.ca/
Humanist Canada: www.humanistcanada.ca
Secular Connexion Séculière (SCS): www.secularconnexion.ca

Provincial Organizations:
Ontario
Ontario Humanist Society: ontariohumanists.ca
Atheists Enlight Ontario Network: (Facebook Group) 

Local Groups
Hamilton Skeptics (Facebook Group)
University of Guelph Campus Atheists – U of G Campus Atheists