MDU Construction Services Group is No. 10 on a list of the top specialty contractors in the nation, up from No. 11 in 2020. Engineering News Record, a leading construction industry publication, ranks the 600 largest specialty contractors in the United States based on annual revenue.

“Our employees really stepped up to the unprecedented challenges we all faced in 2020,” said Jeff Thiede, MDU Construction Services Group president and CEO. “I’m thankful for their resilience and proud of these results.”

MDU Construction Services Group ranked in the top 10 in three subcategories of the Top 600 list.

  • 6 in electrical.
  • 8 in fire protection and sprinklers.
  • 8 in utility.

The company ranked 24th in mechanical.

With operating companies in 18 states and more than 7,500 employees, MDU Construction Services Group provides a full spectrum of construction services, from underground utilities and excavation to electrical, mechanical and fire suppression systems as well as transmission line construction. The diverse group of companies also manufactures and distributes transmission line construction equipment and supplies.