North American Industry Classification System (NAICS) 2002

• 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.