North American Industry Classification System (NAICS) Canada 2017 Version 3.0
- 31-33 - Manufacturing
- 324 - Petroleum and coal product manufacturing
- 3241 - Petroleum and coal product manufacturing
- 32412 - Asphalt paving, roofing and saturated materials manufacturing
- 324121 - Asphalt paving mixture and block manufacturingUS
- 324122 - Asphalt shingle and coating material manufacturingUS
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