1. Sheet Metal Specialties 1223 Continental Ave, Bismarck, ND 58504 Coordinate: 46.78643,-100.77226 Phone: (701) 258-0435
2. Robert Gibb & Sons 1906 E Thayer Ave, Bismarck, ND 58501 Coordinate: 46.80745,-100.76275 Phone: (701) 282-4400