MDU Construction Services Group, Inc.

Construction Service President John Harp At MDU Construction Services Group we strive to be the best in the business. Our group of companies has done a wide array of work across the country. Our resume includes projects such as doing highline work from helicopters to placing electrical lines underground in the greater Los Angeles area. We've done extensive work for the gaming industry in Las Vegas, as well as work in the professional sports arena and the national park system. Our customers are as varied as our experience.

What sets us apart? Here are a few examples:

Innovation: Our employees demonstrate their innovative spirit as they share their intellectual capital and expertise among member companies to ensure quality and value for the customer.
Design/Build: We draw from a pool of engineering, construction and maintenance experience to more effectively manage complicated design and build projects.
Quality Service: Our commitment to training, safety and integrity results in an outstanding ability to attract and retain a highly skilled workforce dedicated to providing a quality product. For the customer, that means every job is done on time and on budget.
Financial Strength: Our size and financial stability provide economies of scale, which afford reduced rates for bonding, insurance and financing. These efficiencies, combined with reduced equipment costs through supplier alliances, results in savings for the customer. We are also backed by a solid parent company, MDU Resources Group, Inc.

We employ the best in the business. And it shows.

John Harp
President and Chief Executive Officer
December 2007



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	At MDU Construction Services Group we strive to be the best in the business. Our group of companies has done a wide array of work across the country. Our resume includes projects such as doing highline work from helicopters to placing electrical lines underground in the greater Los Angeles area. We've done extensive work for the gaming industry in Las Vegas, as well as work in the professional sports arena and the national park system. Our customers are as varied as our experience. What sets us apart? Here are a few examples: Innovation: Our employees demonstrate their innovative spirit as they share their intellectual capital and expertise among member companies to ensure quality and value for the customer. Design/Build: We draw from a pool of engineering, construction and maintenance experience to more effectively manage complicated design and build projects. Quality Service: Our commitment to training, safety and integrity results in an outstanding ability to attract and retain a highly skilled workforce dedicated to providing a quality product. For the customer, that means every job is done on time and on budget. Financial Strength: Our size and financial stability provide economies of scale, which afford reduced rates for bonding, insurance and financing. These efficiencies, combined with reduced equipment costs through supplier alliances, results in savings for the customer. We are also backed by a solid parent company, MDU Resources Group, Inc. We employ the best in the business. And it shows. John Harp President and Chief Executive Officer December 2007
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