- Septic tanks, concrete (1)
- Precast terrazo or concrete products (1)
- Concrete products, precast, nec (3)
- Floor slabs and tiles, precast concrete (1)
- Fountains, concrete (1)
- Poles and posts, concrete (3)
- Slabs, crossing: concrete (1)
- Tile, precast terrazzo or concrete (6)
- Pipe, concrete or lined with concrete (2)
- Building materials, except block or brick: concrete (1)
- Housing components, prefabricated concrete (1)
- Stone, cast concrete (1)
