Missouri
Division of Professional Registration
O'Callaghan, Donovan James
Professional Engineer
License number
2011005056
Date granted
02/23/2011
Date expires
12/31/2013
Class
Professional Engineer
Status
Clear
Address
757 New Port Lane
licensingmissouri.org
ID 1517828
LAST UPDATED 2026-07-27 10:49:47 UTC
LAST UPDATED 2026-07-27 10:49:47 UTC
This website is unaffiliated with the Division of Professional Registration. Please verify all information directly with the relevant official government authority.