| | | 212399 | All Other Nonmetallic
Mineral Mining | 6 | All Other Nonmetallic
Mineral Mining 212399 | 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 |
| | | 213111 | Drilling Oil and Gas
Wells | 6 | Drilling Oil and Gas
Wells 213111 | Support Activities for
Mining 21311 | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | 213112 | Support Activities for
Oil and Gas Operations | 6 | Support Activities for
Oil and Gas Operations 213112 | Support Activities for
Mining 21311 | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | 213113 | Support Activities for
Coal Mining | 6 | Support Activities for
Coal Mining 213113 | Support Activities for
Mining 21311 | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | 213114 | Support Activities for
Metal Mining | 6 | Support Activities for
Metal Mining 213114 | Support Activities for
Mining 21311 | Support Activities for
Mining 2131 | Support Activities for
Mining 213 | Mining, Quarrying, and
Oil and Gas Extraction 21 |
| | | 213115 | Support Activities for
Nonmetallic Minerals
(except Fuels) Mining | 6 | Support Activities for
Nonmetallic Minerals
(except Fuels) Mining 213115 | 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 |