National Occupational Classification (NOC) 2016 Version 1.1
- 7 - Trades, transport and equipment operators and related occupations
- 72 - Industrial, electrical and construction trades
- 725 - Plumbers, pipefitters and gas fitters
- 7251 - Plumbers
- 7252 - Steamfitters, pipefitters and sprinkler system installers
- 7253 - Gas fitters
- Date modified: