KLJ

KLJ is an innovative engineering and planning firm dedicated to improving lives and communities through progressive infrastructure solutions. With nearly 80 years of experience, we have evolved from a small operation serving the Dakotas to a national leader in engineering services. Our diverse expertise spans aviation, civil engineering, environmental consulting, and more. At KLJ, we prioritize adaptability and efficiency while remaining committed to safety and quality in every project. We believe in building a solid future through smart engineering practices. Join us as we continue to make a difference.

KLJ is a premier engineering and planning consultancy located in Valley City, ND, with a proud history spanning almost 80 years. Our journey has seen us transition from a regional firm serving the Dakotas to a robust national presence in the engineering sector. We specialize in various areas including aviation consulting, civil engineering, environmental resources, land surveying, landscape architecture, oilfield services, structural engineering, telecommunications engineering, and more. Our mission remains focused on enhancing the quality of life for individuals and communities through innovative infrastructure solutions designed for sustainability and growth. Our adaptability is evident in our diverse portfolio of projects that includes strategic planning for economic diversification in Colstrip, MT; design and construction services for the Four Bears Bridge replacement; advanced terrain modeling for Minnesota's I-35W; and ongoing support for Bismarck Airport since 2009. Each proj