National Strength.
Local Action.
No matter how complex your engineering, facility planning, or commissioning challenge, we’ll engage our deep technical expertise to deliver an imaginative, best-fit solution.
Complex Projects, Stronger Relationships
We build value by investing in consistent, long-term relationships. We make our clients look good, and they return again and again. And since we build for the long-term, we have a team turnover rate well below the national average.



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3D/Virtual Reality Design
Salas O’Brien uses 3D and virtual reality to help its clients empower their decision-making.

Commissioning for a Better Project
Why is commissioning required by more and more jurisdictions? What value does it add?

Complex Projects Are Where We Shine Brightest
Our time-tested process and people-first approach have reliably solved client challenges since 1975.
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MEP Associates Joins Salas O’Brien
Salas O’Brien announced today that MEP Associates has joined the company, creating a combined firm of 31 offices with more than 775 employee-owners, 170 registered professionals and clients that are the most significant companies in the United States. MEP and its offices in Minnesota, Wisconsin, and Oklahoma expand Salas O’Brien’s offerings in the Midwest and […]

Fuel cells can save energy costs under right conditions
Producing energy can take a lot of, well, energy. A conventional internal combustion engine generator must first convert chemical energy to thermal energy via combustion, thermal energy to mechanical energy via a turbine, and finally mechanical energy to electricity through an alternator. Fuel cells save energy by cutting out the middle steps. Natural gas can […]