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Transmission, distribution, excavation and substation. Electrical, mechanical and fire suppression services. Industrial construction, maintenance and turnaround. Equipment rental, sales and manufacturing. Provide an industry-leading safe and healthy work environment at MDU Construction Services Group, Inc. and continuously improve operational performance. Enhance total shareholder value by improving earnings and returns on invested capital while delivering the best construction value to our customers.

Grant - Request for Quote. PV Array and Wind Foundation Progress. Find out how you can have a rewarding career in the electrical construction industry today! National Electrical Contractors Association. Represents union electrical contractors, who guarantee their installations, who perform quality work on time and on budget, and who take a special interest in their employees.