| 327310 |
Manufacturing lime--are classified in Industry 327410, Lime Manufacturing |
| 327310 |
Manufacturing ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing |
| 327310 |
Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing. |
| 327320 |
Operating sand or gravel pits--are classified in U.S. Industry 212321, Construction Sand and Gravel Mining |
| 327320 |
Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing. |
| 32733 |
Establishments primarily engaged in manufacturing concrete products (except block, brick, and pipe) are classified in Industry 32739, Other Concrete Product Manufacturing. |
| 327390 |
Manufacturing concrete block and brick--are classified in U.S. Industry 327331, Concrete Block and Brick Manufacturing |
| 327390 |
Manufacturing concrete pipe--are classified in U.S. Industry 327332, Concrete Pipe Manufacturing. |
| 327410 |
Establishments primarily engaged in manufacturing dolomite refractories are classified in Industry 327120, Clay Building Material and Refractories Manufacturing. |
| 327420 |
Establishments primarily engaged in operating gypsum mines or quarries are classified in Industry 212390, Other Nonmetallic Mineral Mining and Quarrying. |