Energy & Environment go Results Found: 11 Button group with nested dropdown MDU Resources Group, Inc. MDU Resources Group, Inc. 1200 W Century Ave Bismarck ND 58503 (701) 530-1000 Badlands Environmental Consultants, I... Badlands Environmental Consultants, Inc. 1008 E Central Ave. Bismarck ND 58501-1936 (701) 223-7335 Barr Engineering Company Barr Engineering Company 234 W Century Ave Bismarck ND 58503-1494 (701) 255-5460 Environmental Services Ltd. Environmental Services Ltd. 402 1st St NW Mandan ND 58554-1075 (701) 663-4069 Lightspring LLC Lightspring LLC 1002 5th St N Bismarck ND 58501 (701) 222-8887 Marathon Oil Company Marathon Oil Company 1661 Capital Way Bismarck ND 58502 (701) 400-2989 Midwest Ag Energy Midwest Ag Energy 2841 3rd Street SW Underwood ND 58576 (701) 442-7513 ONEOK, Inc. ONEOK, Inc. 4501 Coleman St. Suite 101 Bismarck ND 58503 (701) 751-6005 SWCA Environmental Consultants SWCA Environmental Consultants 201 Slate Dr #8 Bismarck ND 58503 (701) 258-6622 Trihydro Corporation Trihydro Corporation 1830 E Century Ave, Ste #8 Bismarck ND 58503 (307) 745-7474 Western Plains Consulting, Inc. Western Plains Consulting, Inc. 1102 S Washington Street, Ste #210 Bismarck ND 58504 (701) 221-3113