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North Dakota | Montana | South Dakota | Minnesota | Wyoming

Interstate Engineering is committed to improving the quality of life throughout the region by providing engineering, surveying, and planning solutions that are founded on trust, efficiency, and professionalism. Guided by individuals who care about the well-being of others, Interstate Engineering strives to leave an impression of integrity, quality, and loyalty on the communities it serves.


To be the trusted professional team people think of for versatility, innovation, and strong community.

Strong Work Ethic

We work until the work is done. Our team brings strong work ethics to each project. It is how we were raised and what we know is right.

Helping Others

Helping is part of our culture and core. From holding elected positions to helping local charities, our team is working to give back where we live.


Our employee-owners stay with us. We have long-standing employees which means clients get to know the firm and the people. Consistency builds trust.


Every client relationship and employee interaction is based in integrity. Doing what is right for our clients and our team means everything.