Designer Furniture Gallery founded in 1983 by local residents of Southern Utah Ken & Terese Mangum. DFG started out as a small second-hand store located on the corner of 200 South In the small town of St. George. The small company quickly outgrew its location and moved across town to 540 E Tabernacle St. George along with the change in location the company also branded itself as Mangum's Furniture Outlet.