NAICS 327124 — Clay Building Material and Refractories Manufacturing 
BEA sector: Clay product and refractory manufacturing
Activity: Blocks, fire clay, manufacturing
Activity: Bricks, clay refractory, manufacturing
Activity: Castable refractories, clay, manufacturing
Activity: Cement, clay refractory, manufacturing
Activity: Clay refractories (e.g., mortar, brick, tile, block) manufacturing
Activity: Crucibles, fire clay, manufacturing
Activity: Firebrick, clay refractories, manufacturing
Activity: Floaters, glasshouse, clay, manufacturing
Activity: Glasshouse refractories manufacturing
Activity: Insulating firebrick and shapes, clay, manufacturing
Activity: Kiln furniture, clay, manufacturing
Activity: Mortars, clay refractory, manufacturing
Activity: Pots, glass-house, clay refractory, manufacturing
Activity: Refractories (e.g., block, brick, mortar, tile), clay, manufacturing
Activity: Tile, clay, refractory, manufacturing