KLJ is an engineering firm that has been serving the industry for 85 years, specializing in a wide range of services including aviation, construction, environmental, oil and gas, power, telecommunications, transportation, and water. With a strong focus on improving the lives of people and communities, KLJ has evolved and adapted to become a leading provider of progressive infrastructure solutions across the nation.
From their humble beginnings as a small company working in the Dakotas, KLJ has grown to become a highly adaptable and efficient organization, capable of engineering smart solutions for a solid future. With a diverse portfolio of featured projects, including the Colstrip Economic Diversification Strategy, Four Bears Bridge replacement, I-35W Digital Terrain Model, Bismarck Airport, Bald Eagle Assessment Project, and Kalispell Bypass, KLJ has proven their expertise and commitment to excellence in the engineering industry.
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