• 1

    13th Annual Structures Symposium

    October 24th, 2023 - 8:00am to 5:30pm

    IN PERSON at The Franklin

    Attendee registration open until October 18th, 2023!

    Sponsorship and Exhibitor opportunities available!

  • 1

    2022 Updates to the AISC Code of Standard Practice

    Lawrence Kruth - Kruth Engineering, LLC

    October 3rd, 2023 - 5:00pm to 7:00pm

    In person at Cliff Dwellers Club

  • 1

    SEAOI SE Exam Refresher Course 2023-2024

    Registration Open!

    Starting September 18, 2023, via Zoom and On-Demand

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    Renew today to prevent interruption of benefits

    Join or renew now for a full year of SEAOI programs and benefits in 2023-2024

  • 1

    New Webinars Available!

    SEAOI is pleased to offer many recorded lectures and classes for CE credit. Many 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!