Barr provides engineering and environmental consulting services to clients across the US, throughout the Americas, and around the world. We have been employee owned since 1966 and trace our origins to the early 1900s. Working together, our 750 engineers, scientists, and technical specialists help clients develop, manage, and restore natural resources. Barr’s project teams serve the power, mining, and fuels industries, natural-resource-management organizations, and others with complex problems. Our project sites range from iron-ore mines in South America to wind-power farms in South Dakota, from manufacturing facilities in California to oil-sands fields in Western Canada. Barr has offices in Duluth, Hibbing, and Minneapolis, Minnesota. Other offices are in Ann Arbor Michigan, Grand Rapids Michigan, Bismarck North Dakota, and Jefferson City Missouri. In 2010, Barr Engineering Company launched Barr Engineering and Environmental Science Canada, Ltd. with an office in Calgary, Alberta.