National Occupational Classification (NOC) 2021 Version 1.0
- 7 - Trades, transport and equipment operators and related occupations
- 72 - Technical trades and transportation officers and controllers
- 723 - Technical construction trades
- 7230 - Plumbers, pipefitters and gas fitters
- 72300 - Plumbers
- 72301 - Steamfitters, pipefitters and sprinkler system installers
- 72302 - Gas fitters
- Date modified: