Salas O'Brien is an employee-owned engineering and technical services firm founded in 1975, now comprising over 5,000 team members across more than 120 offices in North America. The firm provides comprehensive engineering and consulting services to both government and private sector clients, with technical domains spanning MEP/FP engineering, structural design, civil engineering, sustainability consulting, digital automation, robotics, and forensic consulting.
The firm serves a range of industry verticals including data centers, healthcare, aerospace, education, process manufacturing, and government projects. Salas O'Brien ranks #31 on Engineering News-Record's Top 500 Design Firms and #5 among the top 100 MEP firms in North America. Since 2015, the company has achieved 900% revenue growth.
Approximately 90% of Salas O'Brien's team members are employee-owners, a structure that correlates with a 92% team member retention rate. The firm's employee-ownership model is a central feature of its operating structure.
