| | | | 2123 | Nonmetallic Mineral
Mining and Quarrying | 4 | | | Nonmetallic Mineral
Mining and Quarrying 2123 | Mining (except Oil and
Gas) 212 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 21231 | Stone Mining and
Quarrying | 5 | | Stone Mining and
Quarrying 21231 | Nonmetallic Mineral
Mining and Quarrying 2123 | Mining (except Oil and
Gas) 212 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 21232 | Sand, Gravel, Clay, and
Ceramic and Refractory
Minerals Mining and
Quarrying | 5 | | Sand, Gravel, Clay, and
Ceramic and Refractory
Minerals Mining and
Quarrying 21232 | Nonmetallic Mineral
Mining and Quarrying 2123 | Mining (except Oil and
Gas) 212 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 21239 | Other Nonmetallic Mineral
Mining and Quarrying | 5 | | Other Nonmetallic Mineral
Mining and Quarrying 21239 | Nonmetallic Mineral
Mining and Quarrying 2123 | Mining (except Oil and
Gas) 212 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 213 | Support Activities for
Mining | 3 | | | | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 2131 | Support Activities for
Mining | 4 | | | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 21311 | Support Activities for
Mining | 5 | | Support Activities for
Mining 21311 | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | | 22 | Utilities | 2 | | | | | Utilities 22 |
| | | | 221 | Utilities | 3 | | | | Utilities 221 | Utilities 22 |
| | | | 2211 | Electric Power
Generation, Transmission
and Distribution | 4 | | | Electric Power
Generation, Transmission
and Distribution 2211 | Utilities 221 | Utilities 22 |
