"Scotia iTrade also says that ZENI.P (Vancouver) and ZHCLF are the same company."
RVXOldTimer, I've seen that at ITrade. I was thinking of calling them Monday to at least get ZENI.P removed from ZCC Calgary. Have you asked them to fix this?
Edit: Dunno if they would be able to do anything, but I was also thinking of emailing IIROC.