Department of State
Registration Board for Professional Engineers, Land Surveyors and Geologists
MICHAEL P O'BRIEN
Professional Engineer
License number
PE055285E
Date granted
05/06/1999
Date expires
09/30/2017
Class
Professional Engineer
Status
Active
Address
Downers Grove IL 60515
engineeringpa.org
ID 37489061
LAST UPDATED 2026-03-18 08:53:23 UTC
LAST UPDATED 2026-03-18 08:53:23 UTC
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