As said before, only two guys with exclusive distribution are http://www.canadianairgunsupply.com
(G&G, KWA) and http://www.007airsoft.com
Velocity Arms http://www.torontoairsoft.com
also has some other models based on JG and TM AEGs that have gotten clear receivers onto.
I'm not sure who is in charge of ICS guns, maybe http://www.mach1airsoft.ca/