Massachusetts
Division of Professional Licensure
MARSHALL D. BLACKER
Sheet Metal Workers
License number
8948
Date granted
03/24/2011
Date expires
11/28/2014
Class
Sheet Metal Workers
Status
Current
licensingma.org
ID 3808689
LAST UPDATED 2026-04-13 23:20:59 UTC
LAST UPDATED 2026-04-13 23:20:59 UTC
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