Helping clients adapt to a changing world
With more than 2,400 employee-owners operating from locations across North America, we provide a full range of engineering and technical consulting services for government and private sector clients. From quick-turn projects to the most complex systems, our team is dedicated to providing quality solutions that deliver long-term value.
Progressing our clients’ missions by helping them achieve their goals
Making a large investment in a facility or system, whether new or existing, is a decision that impacts an enterprise for decades. Salas O’Brien offers the experience and expertise—and the networks and partnerships—to deliver projects that are reliable, resilient, versatile, and efficient, reducing operating costs and eliminating carbon.
Applying technical mastery and market vision
The objectivity to question assumptions, the versatility to embrace every problem’s unique nature, the experience to challenge the status quo. We approach each project with a holistic view, focused on achieving high quality, lasting relationships, and a sustainable future.
The right experience to deliver optimal solutions
International scale, local action
Salas O’Brien uniquely integrates disciplines, collectively leveraging shared knowledge, information, and ideas. With this unified approach, we plan, design, manage, and deliver the highest quality project outcomes: one design, one team, one goal.Our Projects
Growth and opportunity
Being Engineered for Impact™ means that Salas O’Brien team members have practically unlimited opportunity for growth and advancement. And a caring environment that supports this growth at every step.Careers
Our consistent recognition among top performing organizations in our industry and across North America is a reflection of our commitment to excellence and strong year-over-year performance.
#54 on the Top 500 Design Firms list
#11 among the top 100 MEP firms in North America
BD+C Giants 4002023
#8 on the Top 35 Engineering/Architecture Firms list
Zweig Group Hot Firms2023
#3 among the 100 fastest-growing AEC firms in North America