Industry: 3271—Concrete Block and Brick
Establishments primarily engaged in manufacturing concrete building block and brick from a combination of cement and aggregate. Contractors engaged in concrete construction work are classified in Division C, Construction, and establishments primarily engaged in mixing and delivering ready-mixed concrete are classified in Industry 3273.
| Architecture block concrete: e.g. fluted, screen, split, slump, ground face | Paving block, concrete |
| Blocks, concrete and cinder | Plinth blocks, precast terrazzo |
| Brick, concrete | |
| Codes |
Titles | Total Marketable US Businesses |
| 32710000 | Concrete block and brick | 197 |
| 32719901 | Architectural concrete: block, split, fluted, screen, etc. | 37 |
| 32719902 | Blocks, concrete or cinder: standard | 298 |
| 32719903 | Blocks, concrete: acoustical | 2 |
| 32719904 | Blocks, concrete: chimney or fireplace | 10 |
| 32719905 | Blocks, concrete: drystack interlocking | 14 |
| 32719906 | Blocks, concrete: glazed face | 1 |
| 32719907 | Blocks, concrete: heat absorbing | 1 |
| 32719908 | Blocks, concrete: insulating | 16 |
| 32719909 | Blocks, concrete: landscape or retaining wall | 184 |
| 32719910 | Blocks, concrete: radiation-proof | 1 |
| 32719911 | Brick, concrete | 23 |
| 32719912 | Paving blocks, concrete | 25 |
| 32719913 | Plinth blocks, precast terrazzo | 1 |
| 32719914 | Roof ballast block, concrete | 3 |
| 32719915 | Sewer and manhole block, concrete | 6 |
