Welder License Requirements in Missouri
License Not RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Missouri Department of Labor and Industrial Relations
Official licensing agency website
Exam provider: Not listed
Reciprocity And License Levels
License levels
Not listed
Reciprocity states
None listed
Notes
Missouri does not require a statewide occupational license for general welders. The Missouri Division of Professional Registration does not list welders. Boiler and pressure vessel welding must comply with rules enforced by the Missouri Department of Labor and Industrial Relations. Some municipalities may have local licensing requirements.