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A strong infrastructure is the heart of our economy. It is the oil, natural gas and electricity that power business, industry and our daily lives. It is the pipes and wires that connect our homes, factories, offices and stores to bring them to life. It is the transportation network of roads, highways and airports that keeps our economy moving. Infrastructure is our business. MDU Resources Group provides value-added natural resource products and related services that are essential to energy and transportation infrastructure. Our company was founded in 1924 as a small electric utility serving a handful of farm communities on the border of Montana and North Dakota. We realized early the value of delivering a variety of services, and grew our company by developing a core line of businesses. Today, we are a multibillion-dollar corporation with operations and customers across the country. MDU Resources is the largest publicly traded company headquartered in the four-state region of North Dakota, South Dakota, Montana and Wyoming, and we do business in 44 states. Since 1948, our stock has been traded on the New York Stock Exchange. It trades under the symbol MDU.
Otter Tail Power Company is one of the leading companies in the Energy & Utilities sector.
Alliant Energy Corporation is an energy holding company with over 4,000 employees. Providing Midwest utility customers in safe and reliable electric and natural gas services is our top priority. Our corporate headquarters are located in Madison, Wisconsin. General offices are located in Cedar Rapids and Dubuque, Iowa; utility operation facilities are located in communities throughout our utility service territory in Iowa, Minnesota and Wisconsin. Alliant Energy Corporate stock is traded on the New York Stock Exchange under the ticker LNT. Alliant Energy is committed to providing an inclusive work environment for all and are proud to be an Equal Opportunity Employer M/F/Disability/Protected Veteran. A core corporate value of Alliant Energy is to be a responsible corporate citizen, caring for the environment and the communities where we do business and encouraging diversity in our employee and supplier ranks, we recognize, respect and appreciate the valuable and different perspectives that each of us bring to the work environment, our company and our customers.
McCone Electric Co-op. is a Wolf Point, MT-based company in the Energy and Utilities sector.
City of Gladstone Electrical Department is a Gladstone, MI-based company in the Energy and Utilities sector.