Qualified Experts Solving Big Challenges

We look at each project with fresh eyes focused on achieving high quality, great relationships, and a sustainable future.

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Broad Services Backed by an International Team

From MEP, structural, and civil engineering to commissioning, technology, and more, our international talent pool is deep. But we know that local, responsive service is critical to your success.

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Complex Projects, Stronger Relationships

We build value and make our clients look good by investing in consistent, long-term relationships. And since we build for the long-term, we have a team turnover rate well below the industry average.

Our Passion
Powers Your Success

3D/Virtual Reality Design

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

How we do it

Commissioning for a Better Project

Why is commissioning required by more and more jurisdictions? What value does it add?

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Change Orders

Why our change orders are one third of industry average.

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Complex Projects Are Where We Shine Brightest

Our time-tested process and people-first approach have reliably solved client challenges since 1975.

Our Awards

Our Insights

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Salas O’Brien Wraps Up Inaugural High School Internship Program

Nine students from Tustin Unified School District gained hands-on experience and in-depth insight into architectural and engineering careers at Salas O’Brien during our inaugural high school internship program. “It’s so important that we invest in preparing and developing the next generation of engineers and technical professionals,” Salas O’Brien CEO and Chairman Darin Anderson said. “I […]
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Girard Engineering Joins Salas O’Brien

Salas O’Brien announced today that Girard Engineering has joined the company, further strengthening Salas O’Brien’s presence in the Washington, DC, region and creating a combined firm of 51 offices, more than 1,300 team members, and 330 registered professionals.
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