Civil engineering consulting firm - HEI
About
Locations
where we work
Our Footprint..

Grand Forks, North Dakota
Thief River Falls, Minnesota
Fargo, North Dakota
Minot, North Dakota
Bismarck, North Dakota
Dickinson, North Dakota
Des Moines, Iowa
Maple Grove, Minnesota
New Sioux Falls
Omaha, Nebraska
Lincoln, Nebraska
Eden Prairie, Minnesota
Aberdeen, South Dakota
Alexandria, Minnesota
Bemidji, Minnesota
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