Employee-owned engineering and technical services firm, founded in 1975, delivering MEP, structural, civil and consulting work for the built environment across 120+ North American offices.
Salas O'Brien is an employee-owned engineering and technical services firm founded in 1975. It provides engineering and consulting services for the built environment to government and private sector clients, covering work that ranges from quick-turn projects to the most complex systems. The firm employs more than 5,000 people across upwards of 120 offices in the United States and Canada.
Its technical practice spans MEP/FP, structural and civil engineering, along with sustainability consulting, digital automation, robotics and forensic consulting. Work is concentrated in several industry verticals, among them healthcare, data centers, aerospace, education, process manufacturing and government. Engineering News-Record ranks the firm 31st among its Top 500 Design Firms, and it places 5th among the top 100 MEP firms in North America.
Ownership is broad-based: roughly 90% of team members are employee-owners under an ESOP-style arrangement. The firm reports a team member retention rate of 92%, and revenue growth of 900% since 2015. Its stated mission is to advance the human experience through the built environment.
