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Directories of Practitioners


  • Licence Holder/Engineering Intern Directory - Search for licence holders and engineering interns by last name, and/or first name, discipline, city and/or PEO Licence or EIT number.
  • Certificate of Authorization (CofA) Directory - Search for a Certificate of Authorization issued by PEO that authorizes individuals and companies to engage in the business of offering and providing professional engineering services to the public. (It is not the licence issued to individuals to practise professional engineering.)
  • Consulting Engineer Designation Directory - Search for a Consulting Engineer designation issued by PEO that permits members to use the restricted title “Consulting Engineer.”

Notice: The information provided has been provided solely for the purposes of public interest related to the practice of professional engineering. Other uses are strictly prohibited and any unauthorized use may be subject to action by Professional Engineers Ontario.