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John Thomas Thielman
IssuedTypeBoiler/ 1st Class A Engineer
LocationAvon, MN 56310
LicensedJul 15, 2025
ExpiresJul 31, 2027
Phone(320) 290-1787
No enforcement actions or OSHA inspections on file.
Data sourced from Minnesota Department of Labor & Industry, Minnesota Attorney General, federal OSHA, and municipal permit offices. Records are public and may not reflect pending appeals or corrections.