SEI's professionals are affiliated with the American Society of Civil Engineers (ASCE), American Institute of Steel Construction (AISC), Precast/Prestressed Concrete Institute (PCI), American Concrete Institute (ACI), and the American Society of Highway Engineers (ASHE), and are active at their local chapters.

Our president, Dr. Leon Lai, P.E., S.E. is also very active in national ASCE activities and has presented many technical papers at their conferences. (To view a sample of selected publications, click Research.)

SEI also maintains close relationships with Drexel University and Lehigh University where the Fritz Engineering Laboratory and ATLSS laboratory are located. This enables SEI to conduct research and obtain state-of-the-art technology and information, and efficiently acquire laboratory testing services.