Southern MD Electric Address: 21130 Great Mills Rd, Great Mills, MD 20634 Phone: (301) 737-0187 Electricians, Electrical Other Businesses: Brass Rail Sports Bar at 20331 Point Lookout Rd, Great Mills, MD 20634 Hot Dogs & Dreams at 45796 Circle Dr, Great Mills, MD 20634 Larry Hills & Sons Excavating at 20531 Point Lookout Rd, Great Mills, MD 20634