Alltech Garage Doors are Central Otago’s Only locally owned and operated Garage Door Company. Otago’s largest, widest, tallest door specialists. We have been in the garage door industry since 1985. In 1994 Michael and Lynece (Directors) purchased “Central Otago Garage Doors” where we had previously spent many years in garage door manufacturing and garage door installation for Central Otago , Southern Lakes , Central Lakes and the wider Otago region.