North American Industry Classification System (NAICS) 2007 - Service Industries

• 31-33 - Manufacturing
• 327 - Non-Metallic Mineral Product Manufacturing
• 3271 - Clay Product and Refractory Manufacturing

32712 - Clay Building Material and Refractory Manufacturing

This industry comprises establishments primarily engaged in shaping, moulding, baking, burning and hardening building materials and refractories. These products may be made of clay or other materials with similar properties.