Dakota Underground, 4001 15th Ave N, Fargo, ND 58102, US

Founded in 1935, Northern Improvement is one of the leading highway contractors in the Midwest. It is a municipal and heavy construction company. Located in Fargo, N.D., the company manages a variety of customized construction projects per the clients requirements. Northern Improvement employs trained project supervisors, equipment operators and engineers to work on individual projects for customers. The company has several divisions that offer a range of services. Its asphalt division serves the asphalt paving and maintenance needs of clients. The company s concrete division performs highway paving and municipal operations. Northern Improvement has a building demolition division that builds commercial and private structures. The company s rural water division has underground operations and mine reclamation capabilities. It also has power plant and rural water and specialty divisions.