Please join us to celebrate the Grand Opening of ESi in their newly relocated and expanded office in Irvine! Please RSVP as food and refreshments will be served. 



Engineering Systems Inc. (ESi) is an engineering and scientific investigation and analysis firm committed to providing clear answers to the most challenging technical problems. Our technical expertise, practical experience, technological resources, and extensive diagnostic, analytical, and physical testing capabilities empower us to provide our clients with the most comprehensive and efficient solutions across dozens of industries.

ESi has worked with clients and on projects in all 50 states, as well as with numerous companies, organizations, and governments internationally.  Our offices and testing facilities have expanded over the last 30 years to include 16 offices in 14 states across the country.
 
Our coast-to-coast office locations and more than 160 in-house technical personnel, including licensed Professional Engineers (P.E.'s) with advanced degrees (both M.S. and Ph.D.), litigation experience, and industry expertise, uniquely position ESi, both professionally and physically, to provide our clients with superior results.