In 1931, Frank Rohne founded Interlake Water Supply Co Ltd, which he operated until his death in 1974. At this time, his son, Guy Sr., took over the company. Guy expanded the company from water well drilling to installing pumps, septic fields, and holding tanks. Guy passed suddenly in 2005. At this point, the company was taken over by Sonny and son-in-law, Jack Coverdale.