For over 20 years Alpha One Door Systems has been helping homeowners in Mississauga, Oakville, and the West Greater Toronto Area buy and install premium residential garage doors. We understand that a garage door is more than just an afterthought, it holds your possessions safe, it builds curb appeal, and more.Since 1984 this family business has always made sure that their main goal is to complete a quality job. We know that making our customers happy and keeping their homes safe comes above all else. Located in Mississauga we are authorized distributors of C.H.I., Clopay and LiftMaster,some of the best and most trusted names in garage doors.Alpha One Door Systems also offers a service programs for its garage doors. If there is something wrong with a garage door we installed, call us and we'll repair or replace it as necessary.Founder Greg Szumowski began this company with a simple ideal, that no matter who the client is, whether they're looking to install the top high end door or a sma more... See more text