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The license information below is specific to the state of Minnesota.
Plumbers, Pipefitters, and Steamfitters
Master plumber An individual who is skilled in the planning superintending and the practical installation of plumbing who is otherwise lawfully qualified to contract for plumbing and installations and to conduct the business of plumbing and who is familiar with the laws and rules governing the same
Minnesota Department of Labor and Industry
443 Lafayette Road North
St. Paul,
MN
55155
Phone: (651) 284-5005
Email: dli.communications@state.mn.us
Data is collected by the Department of Employment and Economic Development.