Massachusetts
Board of Regulations and Standards
MARK J CALLAHAN
Engineering Licenses - Engineer Special To Operate
License number
ENSO-009973
Date expires
03/21/2015
Class
Engineering Licenses - Engineer Special To Operate
Status
Address
massbuilding.org
ID 41858135
LAST UPDATED 2026-04-22 23:02:21 UTC
LAST UPDATED 2026-04-22 23:02:21 UTC
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