Business and contractor license and registration fee table
Individual license, certification and registration fee table
Directory of exam schedules and testing sites
HPP journeyman and contractor exam application packet. This packet includes:
HPP business license application forms packet. This packet includes:
Purchase a copy of high-pressure-piping laws and rules at Minnesota's Bookstore
Send questions regarding licenses, bonds and continuing education to dli.license@state.mn.us
Include contact information, license number and other pertinent information in the email message.
For information about high-pressure-piping permits, inspections and invoices, contact CCLD Inspection Services via email at dli.code@state.mn.us or call 1-800-DIAL-DLI
Please Note: The Department of Labor and Industry does not accept cash as payment for licenses, inspections, copy requests and other DLI services. Accepted methods of payment include checks, money orders and electronic payments that can be made through the DLI Web site.