Licensed pipefitting, refrigeration, and sprinkler fitting schools

Find schools approved by the Office of Public Safety and Inspections (OPSI) to teach continuing education courses and additional requirements to renew a license.

Table of Contents

Schools authorized to teach continuing education courses

You can search for schools by program/license type, name, city, or town.

Learn more about Hoisting Restrictions on this License Type Guide.

Last updated: September 16, 2025

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