KLJ Engineering has announced the addition of the Lone Tree Engineering Services team to the company, and specifically, to its oil and gas practice. The two firms will provide increased capability and capacity to clients throughout the Rocky Mountain region, Midwest and Southwestern United States.

Together, the firms bring decades of experience and expertise, specifically upstream and midstream facility designs, pipeline designs, well pad and road designs, survey, environmental and right-of-way services. With the addition of the Lone Tree team, KLJ will have nearly 45 employee-owners in Colorado.