NAICS 327123 — Clay Building Material and Refractories Manufacturing 
BEA sector: Clay product and refractory manufacturing
Activity: Adobe bricks manufacturing
Activity: Architectural terra cotta manufacturing
Activity: Bricks, adobe, manufacturing
Activity: Conduit, vitrified clay, manufacturing
Activity: Coping, wall, clay, manufacturing
Activity: Drain tile, clay, manufacturing
Activity: Flue lining, clay, manufacturing
Activity: Liner brick and plates, vitrified clay, manufacturing
Activity: Roofing tile, clay, manufacturing
Activity: Sewer pipe and fittings, clay, manufacturing
Activity: Stove lining, clay, manufacturing
Activity: Tile, roofing and drain, clay, manufacturing
Activity: Tile, sewer, clay, manufacturing