Canada-Places.com has listed approx 32 Door manufacturers in Canada. Some of the Top rated Door manufacturers in Canada are- Masonite International Corporation, Spec-Dor Inc / Hangar Doors / Vertical Lift Doors / Special Door / Aircraft Hangar Doors, Windowland Windows & Doors, Alberta Door Systems, Fred Miller Custom Woodworks (CanadianWoodCraftsman.com) Open by appointment only., Pinnacle Steel Door Ltd, Pinnacle Steel Door Ltd, Baillargeon, Avanti custom doors Ltd. & ASI Iron Doors.