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.

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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Salas O’Brien Puts Zero-Carbon Future in Reach for New England College Campuses
Salas O'Brien has worked with multiple campuses across New England and throughout North America to help them lead the way toward a more sustainable future through energy planning, geothermal, and district energy systems.

Nelson Engineering Joins Salas O’Brien
Florida-based Nelson Engineering has joined Salas O'Brien, strengthening Salas O'Brien's expertise in highly successful projects for federal clients.