21 - Mining, Quarrying, and Oil and Gas Extraction

The Mining, Quarrying, and Oil and Gas Extraction sector comprises establishments that extract naturally occurring mineral solids, such as coal and ores; liquid minerals, such as crude petroleum; and gases, such as natural gas.

NAICS Code Title U.S. Firms U.S. Employment
21 Mining, Quarrying, and Oil and Gas Extraction 163,388 2,940,585
211 Oil and Gas Extraction 51,922 558,106
2111 Oil and Gas Extraction 51,922 558,106
21111 Oil and Gas Extraction 51,922 558,106
211111 Crude Petroleum and Natural Gas Extraction 51,136 516,337
211112 Natural Gas Liquid Extraction 978 37,155
21112 Crude Petroleum Extraction N/A N/A
211120 Crude Petroleum Extraction N/A N/A
21113 Natural Gas Extraction N/A N/A
211130 Natural Gas Extraction N/A N/A
212 Mining (except Oil and Gas) 31,321 901,708
2121 Coal Mining 4,513 351,785
21211 Coal Mining 4,513 351,785
212111 Bituminous Coal and Lignite Surface Mining 2,545 158,861
212112 Bituminous Coal Underground Mining 1,733 175,144
212113 Anthracite Mining 404 6,316
2122 Metal Ore Mining 2,000 103,715
21221 Iron Ore Mining 152 17,461
212210 Iron Ore Mining 152 17,461
21222 Gold Ore and Silver Ore Mining 1,235 43,584
212221 Gold Ore Mining 1,190 42,316
212222 Silver Ore Mining 48 638
21223 Copper, Nickel, Lead, and Zinc Mining 274 23,504
212230 Copper, Nickel, Lead, and Zinc Mining N/A N/A
212231 Lead Ore and Zinc Ore Mining 124 3,784
212234 Copper Ore and Nickel Ore Mining 150 18,868
21229 Other Metal Ore Mining 356 10,411
212291 Uranium-Radium-Vanadium Ore Mining 147 2,176
212299 All Other Metal Ore Mining 209 7,795
2123 Nonmetallic Mineral Mining and Quarrying 24,864 399,355
21231 Stone Mining and Quarrying 10,716 207,031
212311 Dimension Stone Mining and Quarrying 2,674 16,955
212312 Crushed and Broken Limestone Mining and Quarrying 4,521 115,980
212313 Crushed and Broken Granite Mining and Quarrying 1,153 22,957
212319 Other Crushed and Broken Stone Mining and Quarrying 2,654 28,518
21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying 12,874 136,344
212321 Construction Sand and Gravel Mining 11,704 106,087
212322 Industrial Sand Mining 632 6,745
212324 Kaolin and Ball Clay Mining 131 5,250
212325 Clay and Ceramic and Refractory Minerals Mining 481 6,144
21239 Other Nonmetallic Mineral Mining and Quarrying 1,849 35,543
212391 Potash, Soda, and Borate Mineral Mining 102 6,845
212392 Phosphate Rock Mining 46 0
212393 Other Chemical and Fertilizer Mineral Mining 225 4,103
212399 All Other Nonmetallic Mineral Mining 1,487 11,686
213 Support Activities for Mining 80,815 1,441,535
2131 Support Activities for Mining 80,815 1,441,535
21311 Support Activities for Mining 80,815 1,441,535
213111 Drilling Oil and Gas Wells 15,328 367,154
213112 Support Activities for Oil and Gas Operations 60,356 971,606
213113 Support Activities for Coal Mining 2,183 41,004
213114 Support Activities for Metal Mining 1,420 14,408
213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining 1,820 9,760