Your specialty contracting services provider.

MDU Construction Services Group ("CSG") provides industry-leading utility construction services with a focus on safety. We are committed to bringing the very best in construction services.
CSG operates in four lines of business:
  • Electric & Natural Gas Transmission & Distribution, including Excavation and Communication, and Traffic & Signalization
  • Commercial & Industrial Electrical, Mechanical, and Fire Suppression Services
  • Industrial Services
  • Equipment Manufacturing, Rentals & Sales
Fire Protection
Electric Low Voltage
Refining, Maintenance & Construction
Renewables
Overseas
Mechanical
Electrical Manufacturing & Supply
Traffic Signals, Streetlighting & ITS
Transmission, Distribution, Substation
Civil, Excavation & Pipeline
Equipment Rental & Sales
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Locations

MDU Construction Services Group, Inc. has a large presence throughout the United States. With offices in 17 states and 44 authorized states of operation, we have the capability to get any job done.

MDU Construction Service Safety Photo

Safety

Our people are what makes our company a success. We value the health and safety of our workforce and strive to maintain an injury-free workplace.
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Services

We have completed a wide array of work across the country. Our resume includes renewable utility grade solar, transmission (including 345 kv circuits), power and natural gas distribution, substations, fire suppression & protection, and more...