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Professional Engineers Ontario is the licensing and regulating body for professional engineering in the province.

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Office Closure: April 18 and 21

UPDATE   •   APRIL 17, 2025

Web Maintenance: April 11-12

UPDATE   •   APRIL 11, 2025

568 PEO Council meeting update

UPDATE   •   APRIL 4, 2025

Popular Resources

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Use of the Professional Engineer's Seal

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Structural Condition Assessments of Existing Buildings and Designated Structures (2016)

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Events Calendar

Upcoming Professional Engineers Ontario events.

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Engineering Dimensions

Engineering Dimensions is published quarterly by Professional Engineers Ontario and is distributed to all PEO licence holders.

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Engineering Dimensions