1. Kirst Engineering 1501 N 12th St, Bismarck, ND 58501 Coordinate: 46.8223,-100.77436 Phone: (701) 255-7453
2. Langan Engineering & Enviro 1116 N 4th St, Bismarck, ND 58501 Coordinate: 46.81705,-100.785934 Phone: (701) 250-3400