North American Industry Classification System (NAICS) Canada 2017 Version 1.0
- 21 - Mining, quarrying, and oil and gas extraction
- 213 - Support activities for mining, and oil and gas extraction
- 2131 - Support activities for mining, and oil and gas extraction
- 21311 - Support activities for mining, and oil and gas extraction
- 213111 - Oil and gas contract drilling
- 213117 - Contract drilling (except oil and gas)CAN
- 213118 - Services to oil and gas extractionCAN
- 213119 - Other support activities for miningCAN
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