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    Summer Happy Hour

    Celebrate summer in Chicago with your fellow SEAOI members Thursday August 23 from 6 pm - 8 pm. Appetizers and the first round are on us!
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    Central Chapter Trade Show and Symposium 2018

    Join us on Thursday September 20th in Champaign, IL! Earn six hours of CE credit while mingling with your peers and learning about the latest products from many exhibitors!

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    September Book Club

    Join us for a lively discussion about Do More Great Work, by Michael Bungay Stanier. All are welcome!


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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!

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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!  


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!