MDU Construction Services Group's industrial expertise includes refinery and plant construction and maintenance, as well as automotive, renewable energy and steel facility installations and maintenance. Our companies also work with cooling towers, power generation facilities, iso-phase bus systems and institutional facilities.


  • Refinery and power plant maintenance and repair.
  • Electrical construction and maintenance services.
  • Single-source provider of power and process systems.
  • New plant construction, system and process upgrades, and emergency power restoration systems.