| Naics index | Naics index description |
|---|---|
| 327120 | Architectural terra cotta manufacturing |
| 327120 | Bauxite brick manufacturing |
| 327120 | Blocks, fire clay, manufacturing |
| 327120 | Bricks (i.e., common, face, glazed, hollow, vitrified), clay, manufacturing |
| 327120 | Bricks, adobe, manufacturing |
| 327120 | Bricks, clay refractory, manufacturing |
| 327120 | Bricks, nonclay refractory, manufacturing |
| 327120 | Building tile, clay, manufacturing |
| 327120 | Carbon brick manufacturing |
| 327120 | Castable refractories, clay, manufacturing |