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.

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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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Announcing 2022 Executive Recognitions at Salas O’Brien

Each one of our team members takes employee ownership to heart, and we pride ourselves on exemplifying our Ownership Values to achieve results for our clients, build and maintain strong relationships, and provide effective leadership to shape the next generation of our firm’s leaders. Each year we recognize team members who set themselves apart through […]
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Princeton University’s Geo-Exchange/Heating Hot Water System

Designing a Highly Customized Hybrid Geo-Exchange/Heating Hot Water System to Support Princeton’s Goal for Net-Zero Carbon Emissions by 2046 Princeton University is well on its way to becoming a sustainability leader among universities and large institutions throughout the world. It set out to reach net-zero carbon emissions by its 300th anniversary in 2046, and we […]
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