UPPER MIDWEST GARAGE DOOR CO. Residential or Commercial Clopay America's Favorite Doors" 900 E Kay Ave. Mitchell, SD 57301 sales@uppermidwestgd.com 990-3667 CHAMBERLAIN' LiftMaster PROFESSIONAL UPPER MIDWEST GARAGE DOOR CO . Residential or Commercial Clopay America's Favorite Doors " 900 E Kay Ave. Mitchell , SD 57301 sales@uppermidwestgd.com 990-3667 CHAMBERLAIN ' LiftMaster PROFESSIONAL