Who we are

Our Parent Company


MDU Construction Services Group

MDU Construction Services Group, Inc. provides industry-leading construction services. The diverse group of companies specializes in constructing and maintaining electric and communications lines, gas pipelines, fire suppression systems, and external lighting and traffic signalization. The companies also provide expertise in utility excavation and inside electrical and mechanical services, and manufacture and distribute transmission line construction equipment and supplies.

MDU Construction Services Group is authorized to operate in 43 states.

MDU Resources Group, Inc.

MDU Construction Services Group is part of MDU Resources Group, a major natural resources company that provides value-added natural resource products and related services that are essential to energy and transportation infrastructure.

The company got its start as a small electric utility company in 1924. Today, MDU Resources Group has $7.0 billion in assets and $4.5 billion in annual revenues (as of Dec. 31, 2018). The company is headquartered in Bismarck, North Dakota, and has been traded on the New York Stock Exchange since 1948 under the symbol MDU.