l_naics_subsector: 3, 21
| naics_subsector | naics_sector | description |
|---|---|---|
| 3 | Mining, Quarrying, and Oil and Gas Extraction 21 | Support Activities for Mining |
| naics_subsector | naics_sector | description |
|---|---|---|
| 3 | Mining, Quarrying, and Oil and Gas Extraction 21 | Support Activities for Mining |