Brenda Liu in Mississauga 1 review MISSISSAUGA, ON Joined 2011/05/18 10/10 Alarm system Alarm Systems review in MISSISSAUGA Over 10 years ago Very happy with Crystal. She is very nice and helpful. She professionally answered my questions and set up the follow ups. Definitely I will recommend Deluxe Alarms to my friends. Great work Crystal. Thank you. Job Price Was this review helpful?