North American Industry Classification System (NAICS) Canada 2017 Version 3.0

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North American Industry Classification System (NAICS) Canada 2017 Version 3.0
Introduction
Definition of superscripts
Hierarchical structure

32411 - Petroleum refineries

This industry comprises establishments primarily engaged in refining crude petroleum. Petroleum refining involves the transformation of crude oil by such processes as cracking and distillation.

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North American Industry Classification System (NAICS) Canada 2017 Version 3.0 - Classification structure
Code Canadian industry
324110Petroleum refineries Petroleum refineries
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