Serving Greater St. Louis


Since we were founded in 1974, Bell Electrical Contractors has grown to be one of the largest electrical contractors in the St. Louis area. We serve clients throughout the greater metropolitan St. Louis area and the region. Our service department operates 24 hours a day, providing unparalleled service response.

As a member of MDU Construction Services Group, we have financial backing and collective buying power to provide our customers with competitive pricing. We work with our sister companies, including Capital Electric Construction Company in Kansas City, Kansas, and Capital Electric Line Builders in Riverside, Missouri, to meet our clients’ needs, wherever they may be.

Our Parent Company


MDU Construction Services Group is part of MDU Resources Group, a major natural resources company that provides essential products and services through two lines of business: regulated energy delivery and construction materials and services. MDU Resources Group has $7.7 billion in assets and $5.3 billion in annual revenues (as of Dec. 31, 2019). The company has been traded on the New York Stock Exchange since 1948 (NYSE: MDU).

MDU Construction Services Group and its companies provide industry-leading construction services across the country. Our services include

  • Transmission, distribution and excavation.
  • Electrical, mechanical and fire suppression.
  • Industrial construction, maintenance and turnaround.
  • Equipment manufacturing, rental and sales.

MDU Construction Services Group has locations in 18 states and is licensed to operate in 42 states. We work with our sister companies across the country to meet our clients’ needs, wherever they may be.

CSG Location Map

What our customers are saying


“Bell Electrical Contractors proved to me the meaning of teamwork. They showed me their ability to solve problems and offer suggestions to better the team. They were able to coordinate with the other trades to provide a superior product the customer could be proud to show.”

– McCarthy, Lindbergh School District project