North American Industry Classification System (NAICS) Canada 2017 Version 2.0
- 23 - Construction
- 238 - Specialty trade contractors
- 2382 - Building equipment contractors
- 23821 - Electrical contractors and other wiring installation contractors
- 238210 - Electrical contractors and other wiring installation contractors
- 23822 - Plumbing, heating and air-conditioning contractors
- 238220 - Plumbing, heating and air-conditioning contractorsUS
- 23829 - Other building equipment contractors
- 238291 - Elevator and escalator installation contractorsCAN
- 238299 - All other building equipment contractorsCAN
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