LTN Group - structural engineer for industry, institutions, builders, A&E teams and individuals. 25+ yrs experience. Providing: structural engineering, foundation engineering, construction engineering, shoring engineering, piping system structural, building renovation, site civil engineering, structural evaluation, construction inspection/observation and team project management. Serving Minnesota, Mankato, Rochester, Owatonna, Faribault, New Ulm, Marshall, Worthington, Winona, Northfield, Fairmont, Albert Lea, Austin, St James, St Peter, Belle Plaine, Jordan, Shakopee, Minneapolis, Waseca, Windom, Willmar, Hutchinson; Brookings and Sioux Falls South Dakota; Spencer and Mason City Iowa: Bismarck Minot and Fargo North Dakota, Eau Claire and LaCrosse Wisc; Nebraska.