1. Great Plains Technical Services 2719 37th St NW # 1, Mandan, ND 58554 Coordinate: 46.85823,-100.92656 Phone: (701) 663-5760
2. Malloy Electric 1401 Action Dr SE, Mandan, ND 58554 Coordinate: 46.83065,-100.90917 Phone: (701) 663-5895