Massachusetts
Division of Professional Licensure
JOHN J. HAYES
Gasfitter
License number
5042
Date granted
03/28/2008
Date expires
05/01/2014
Class
Gasfitter
Status
Current
licensingma.org
ID 3400808
LAST UPDATED 2026-04-10 04:09:25 UTC
LAST UPDATED 2026-04-10 04:09:25 UTC
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