Barr integrates engineering and environmental expertise to help clients solve complex issues. Our 800 engineers, scientists, and technical support specialists provide services in engineering and design, environmental management, assessment and remediation, and water resources. Barr has offices in Minneapolis, Duluth, and Hibbing, Minnesota; Ann Arbor and Grand Rapids, Michigan; Jefferson City, Missouri; Bismarck, North Dakota; Salt Lake City, Utah; Denver, Colorado, and Calgary, Alberta.