www.canadiangreeks.com
This is the most comprehensive website on Greek Life, specifically regarding Canada. It has current chapters, closed chapters and colonies of ALL groups (including locals).
Currently open chapters:
AGD: 7
ADII: 3
AEPhi: 1 petitioning
AOII: 5
APhi: 6 + 1 colony
GPhiB: 4
DG: 3
DDD: 2
DZ: 1
DPhiE: 3
KAT: 3
KKG: 4
PiPhi: 4
PhiSigSig: 2
Others who had a presence in Canada, but the chapters have been closed: ZTA, AXO, XO, SK, SDT (I hope I didn't forget anyone)....