Mining, Quarrying, and Oil and Gas Extraction

21 Mining, Quarrying, and Oil and Gas Extraction
211 Oil and Gas Extraction
2111 Oil and Gas Extraction
21111 Oil and Gas Extraction
211113 Conventional Oil and Gas Extraction
211114 Non-Conventional Oil Extraction
212 Mining and Quarrying (except Oil and Gas)
2121 Coal Mining
21211 Coal Mining
212114 Bituminous Coal Mining
212115 Subbituminous Coal Mining
212116 Lignite Coal Mining
2122 Metal Ore Mining
21221 Iron Ore Mining
21222 Gold and Silver Ore Mining
21223 Copper, Nickel, Lead and Zinc Ore Mining
212232 Nickel-Copper Ore Mining
212233 Copper-Zinc Ore Mining
21229 Other Metal Ore Mining
212291 Uranium Ore Mining
212299 All Other Metal Ore Mining
2123 Non-Metallic Mineral Mining and Quarrying
21231 Stone Mining and Quarrying
212314 Granite Mining and Quarrying
212315 Limestone Mining and Quarrying
212316 Marble Mining and Quarrying
212317 Sandstone Mining and Quarrying
21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
212323 Sand and Gravel Mining and Quarrying
212326 Shale, Clay and Refractory Mineral Mining and Quarrying
21239 Other Non-Metallic Mineral Mining and Quarrying
212393 Salt Mining
212394 Asbestos Mining
212396 Potash Mining
212397 Peat Extraction
212398 All Other Non-Metallic Mineral Mining and Quarrying
213 Support Activities for Mining and Oil and Gas Extraction
2131 Support Activities for Mining and Oil and Gas Extraction
21311 Support Activities for Mining and Oil and Gas Extraction
213111 Oil and Gas Contract Drilling
213117 Contract Drilling (except Oil and Gas)
213118 Services to Oil and Gas Extraction
213119 Other Support Activities for Mining