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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Gary Petrak Joins Southern California Leadership Team

Salas O’Brien is pleased to announce the addition of Gary Petrak to the firm’s leadership team in Southern California. Petrak comes to Salas O’Brien from GLP Engineering in Santa Ana, a firm he led for over 25 years serving the commercial, educational, hospitality, restaurant, and retail markets. “Gary is a proven and trusted leader in […]
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Building Readiness: Reopening Educational Institutions

We have heard from many educational administrators who are committed to reopening but are uncertain about the best, most cost-effective path to welcoming staff and students back safely. Salas O’Brien can help. Several best practices for mitigating disease transmission have been issued by the scientific community, but those recommendations haven’t been universally adopted by or […]
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