| MDU Description: MDU Resources Group, Inc. operates as a diversified natural resource company in the United States. Its Electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming. As of December 31, 2015, it served approximately 142,000 residential, commercial, industrial, and municipal customers in 177 communities and adjacent rural areas. The company’s Natural Gas Distribution segment distributes natural gas in Montana, North Dakota, South Dakota, and Wyoming, as well as Idaho, Minnesota, Oregon, and Washington; and offers related value-added services. It served approximately 906,000 residential, commercial, and industrial customers in 334 communities and adjacent rural areas. The company’s Pipeline and Midstream segment provides natural gas transportation, underground storage, processing, and gathering services, as well as oil gathering and processing facilities in the Rocky Mountain and northern Great Plains regions. It also provides cathodic protection and other energy-related services. The company’s Construction Materials and Contracting segment mines aggregates and markets crushed stone, sand, gravel, and related construction materials; and provides integrated contracting services in the central, southern, and western United States, as well as Alaska and Hawaii. Its Construction Services segment constructs and maintains electric and communication lines, gas pipelines, fire suppression systems, and external lighting and traffic signalization equipment. This segment also offers utility excavation services, as well as electrical and mechanical services; and manufactures and distributes transmission line construction equipment and other supplies. The company’s Refining segment refines crude oil and produces and sells diesel fuel, naphtha, ATBs, and other by-products of the production process. MDU Resources Group, Inc. was founded in 1924 and is headquartered in Bismarck, North Dakota. |
