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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.

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Revenue $100.5 million
Employees 1,267 (929 on RocketReach)
Founded 1975
Address 8825 Research Dr, Irvine, California 92618, US
Phone (877) 725-2755
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 Decarbonisation, Sustainability Engineering, Infrastructure, Energy Efficiency, Environmental Consulting, Civil Engineering, Transportation, Water Resources
Competitors CRB, Glumac, ME Engineers, Ross & Baruzzini, The Dennis Group , LLC
SIC SIC Code 87 Companies, SIC Code 738 Companies, SIC Code 73 Companies, SIC Code 871 Companies
NAICS NAICS Code 54133 Companies, NAICS Code 541 Companies, NAICS Code 5413 Companies, NAICS Code 56 Companies, NAICS Code 54 Companies, NAICS Code 561 Companies

Salas O'Brien Questions

The Salas O'Brien annual revenue was $100.5 million in 2024.

Paul Silva is the COO of Salas O'Brien.

929 people are employed at Salas O'Brien.

Salas O'Brien is based in Irvine, California.

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

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

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