Barr Engineering provides engineering, environmental, and design services to clients in the mining, manufacturing, forest products, power, and refining industries, as well as municipal, state, and federal agencies. Barr's areas of expertise include air-quality permitting, environmental management and compliance assistance, water-supply and wastewater-treatment design, water resources management, permitting and design for hazardous and solid waste facilities, contaminated site assessment and remediation, engineering design, and process and materials handling design. Barr has offices in Minneapolis, Duluth, and Hibbing, MN; Bismarck, ND; Jefferson City, MO; Ann Arbor, MI;and Calgary, Alberta, Canada.
