Minnesota Department of Labor and Industry (DLI) <p style="font-family: Arial; font-size: 10pt;" xmlns="http://www.w3.org/1999/xhtml"><strong>Review <a href="http://www.dli.mn.gov/business/high-pressure-piping-contractors">High Pressure Piping Contractors</a></strong></p> <p xmlns="http://www.w3.org/1999/xhtml">High pressure piping contractors must first employ an individual who has a master pipefitter license. The business may then apply for a Minnesota high pressure piping contractor license. After the business has met these requirements, it may apply for a permit to install or fabricate high pressure piping. The business must also employ licensed journeyworker pipefitters to install or fabricate the high pressure piping.</p> <p xmlns="http://www.w3.org/1999/xhtml"><a href="http://www.dli.mn.gov/business/high-pressure-piping-contractors/faqs-about-high-pressure-piping" title="FAQs about high pressure piping">FAQs About High Pressure Piping</a></p> None
