North American Industry Classification System (NAICS) Canada 2012

• 31-33 - Manufacturing
• 331 - Primary metal manufacturing

3313 - Alumina and aluminum production and processing

This industry group comprises establishments primarily engaged in extracting alumina generally from bauxite ore; producing aluminum from alumina; refining aluminum by any process; and rolling, drawing, casting, extruding and alloying aluminum and aluminum-based alloy basic shapes.