Wisconsin
Department of Safety and Professional Services
Calistro, Ralph M
Professional Engineer
License number
38970-6
Date granted
06/05/2007
Date expires
07/31/2016
Class
Professional Engineer
Status
Active
wisconsinengineering.org
ID 35557851
LAST UPDATED 2026-07-02 16:21:03 UTC
LAST UPDATED 2026-07-02 16:21:03 UTC
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