Salas O’Brien is proud to announce its latest rise in industry rankings, underscoring a growing impact and continued commitment to excellence on a global scale. In Engineering News-Record’s Top 150 Global Design Firms list for 2024, Salas O’Brien achieved the #79 spot, a notable climb from #94 in 2023. This annual ranking, which lists the world’s 150 largest design firms, highlights the firm’s continued dedication to delivering superior solutions to clients in the US and beyond.

Salas O’Brien also ranked #3 on Building Design + Construction’s 2024 Top 70 Engineering Firms list, advanced to #9 on Consulting-Specifying Engineer’s 2024 MEP Giants list, and is celebrating the 12th consecutive year on the Inc. 5000 list, fastest-growing private companies in the United States. These achievements reflect a strategic focus on sustained growth and a dynamic approach to serving clients across critical market sectors.

These accolades are more than just rankings on a list—they highlight our relentless pursuit of excellence and unwavering commitment to shaping a brighter future. As we expand our geographic footprint, we are also broadening our capabilities to deliver comprehensive solutions that meet our clients’ evolving needs. This progress is driven by the dedication and passion of our team members, whose commitment to innovation and integrity ensures we create meaningful change through every project we undertake.
Darin AndersonChairman & CEO

Salas O’Brien is focused on achieving steady, strategic growth that drives increased value for employee-owners, underscored by a philosophy of “better not bigger.” In just the past five years, the organization has experienced a nearly 600% increase in revenue and expanded the team fivefold, to serve over 4,600 clients globally. Read more in Salas O’Brien’s inaugural Impact Report.