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    SEAOI Annual Banquet

    June 22, 2019 - 5:30pm to 10:00pm
    Ignite Glass Studios
    Join Us for an Evening Celebrating Structural Engineering!

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    2019-2020 Membership Is Now Open!

    Join or renew now for a full year of SEAOI programs and benefits in 2019-2020.

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    Bank of America Tower Site Visit

    July 11, 2019 - 3:00pm to 5:00pm
    110 N. Wacker Drive
    Join the YEC for a FREE site visit and tour of Bank of America Tower

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    Find a Structural Engineer

    Looking for an engineer for a residential or small commercial project?  Many SEAOI members specialize in smaller scale projects!  

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    New Webinars Available!

    SEAOI is pleased to offer several recorded lectures and classes for CE credit. Six are free for members and all are available on demand. Find a webinar today!


Welcome to the SEAOI website! Whether you are a practicing engineer, a curious student, or an interested citizen, you can find the information you need here. SEAOI was founded in 1965 to advance and advocate excellence in structural engineering and to aid in safeguarding the public. In 2015, we celebrated 50 years of living out our mission in Illinois.


Calendar of Upcoming Events

You can always find the latest events listed in the column to the right, on our Events Calendar page, or, if you prefer a calendar format, on our Google calendar


Join our mailing list!

SEAOI sends a weekly Tuesday Update email, as well as selected other annoucements for special events and news affecting the engineering community.  Use the button below to sign up.  You can also indicate your interest in Bridge Events, Central Illinois activities, and Women in Structural Engineering (SEAOI WiSE).

Sign Up for Email Updates

Contact us!

Have a question about SEAOI?  Interested in getting involved as a volunteer?  Contact us!