Boilermaker License Requirements in Montana
License Not RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Montana Department of Labor and Industry
Official licensing agency website
Exam provider: Not listed
Reciprocity And License Levels
License levels
Not listed
Reciprocity states
None listed
Notes
Montana does not require a statewide occupational license for individual boilermakers. Boiler and pressure vessel safety may be regulated under state safety standards, but no individual boilermaker worker license is required at the state level. Verify with state agency for any updates.