License holder summary

JOHN C OBRIEN is a Engineering Licenses - Sprinkler Apprentice licensed to practice in Massachusetts.

Massachusetts

Board of Regulations and Standards

JOHN C OBRIEN
Engineering Licenses - Sprinkler Apprentice
License number
SA-133849
Date expires
10/01/2013
Class
Engineering Licenses - Sprinkler Apprentice
Status
Address
massbuilding.org
ID 42483627
LAST UPDATED 2026-04-10 19:53:52 UTC

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