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Salas O'Brien Information

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Salas O’Brien is an engineering and technical services firm focused on advancing the human experience through the built environment. Our team is engineered for impact™, helping clients achieve critical goals, advancing our team members through growth and opportunity, and operating at the center of important global issues, including sustainability and decarbonization. We are a top firm as ranked by Engineering News-Record and Consulting-Specifying Engineer, and we have appeared for the past ten years on the Inc. 5000 list of North America’s fastest-growing private companies.

Website http://www.salasobrien.com
Revenue $2.4 billion
Employees 1,267 (49 on RocketReach)
Founded 1975
Address 8825 Research Dr, Irvine, California 92618, US
Phone +1 877-725-2755
Technologies
Industry Design Services, Architecture, Engineering & Design, Construction and Engineering, Mechanical and Electrical Engineering, Construction, Architecture and Interiors, Telecommunications, Commissioning, Fire Protection, LEED and Cost Estimating, Energy Efficiency, Alternative Energy: Fuel Cells, Wind, Solar and Geothermal
Web Rank 4 Million
Keywords Building Performance, Engineering, Technical Services, Building Design, Construction Management, Infrastructure Engineering, Construction Consulting, Project Management, Environmental Consulting, Sustainability Consulting, Mechanical Engineering, Electrical Engineering, Plumbing Engineering, Civil Engineering, Structural Engineering, Building Systems, Facilities Management, Energy Efficiency, Design-Build, Integrated Design
Competitors Jacobs, HOK, Gensler, Stantec, WSP, AECOM, Atkins, Tetra Tech, Thornton Tomasetti, Buro Happold +39 more (view full list)
SIC SIC Code 73 Companies, SIC Code 738 Companies, SIC Code 871 Companies, SIC Code 87 Companies
NAICS NAICS Code 54 Companies, NAICS Code 5413 Companies, NAICS Code 541 Companies, NAICS Code 56 Companies, NAICS Code 54133 Companies, NAICS Code 561 Companies

Salas O'Brien Questions

The Salas O'Brien annual revenue was $2.4 billion in 2026.

Dave Seiling is the Senior Vice President of Salas O'Brien.

49 people are employed at Salas O'Brien.

Salas O'Brien is based in Irvine, California.

The NAICS codes for Salas O'Brien are [54, 5413, 541, 56, 54133, 561].

The SIC codes for Salas O'Brien are [73, 738, 871, 87].

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