North American Industry Classification System (NAICS) Canada 2012

• 31-33 - Manufacturing
• 327 - Non-metallic mineral product manufacturing
• 3273 - Cement and concrete product manufacturing

32732 - Ready-mix concrete manufacturing

This industry comprises establishments primarily engaged in mixing together water, cement, sand, gravel or crushed stone to make concrete, and delivering it to a purchaser in a plastic or unhardened state.