National Perspective. Regional Expertise. Trusted Advisor.

KLJ provides multi-disciplinary engineering and planning services that set the standard for quality and client satisfaction. We deliver innovative and practical solutions for local, regional and national infrastructure projects.

Looking to the Future

KLJ is recognized as one of the nation's Top 500 Design Firms by  Engineering News Record. Since 1938, KLJ has delivered innovative and practical problem-solving solutions for local, regional and national infrastructure projects. The rankings are evidence of a rich 75-year history, a thriving presence and a strong future.

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A History of Service Excellence

At KLJ, we believe in order to do things well, you have to stand on quality, build relationships and foster an innovative environment – that has been our goal since 1938.

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Continued Growth

As we build for the future, we continue to look for new talent. Find out why you should be a part of the KLJ team and what opportunities are waiting for you.

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February 13th, 2014

KLJ Earns Occupational Safety Merit Award

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February 5th, 2014

KLJ Earns Construction Safety and Excellence Award

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January 28th, 2014

KLJ Encourages Students to Bring Concepts to Life with 3D Printers

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January 20th, 2014

KLJ Opens Office in Casper, WY

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