Sector 21 — Mining, Quarrying, and Oil and Gas Extraction
Reference listings and standards for industries classified under NAICS Sector 21. Select a national industry below for SBA size bounds and SIC mappings.
National Industries in this Sector (21)
211120
Crude Petroleum Extraction
→
211130
Natural Gas Extraction
→
212114
Surface Coal Mining
→
212115
Underground Coal Mining
→
212210
Iron Ore Mining
→
212220
Gold Ore and Silver Ore Mining
→
212230
Copper, Nickel, Lead, and Zinc Mining
→
212290
Other Metal Ore Mining
→
212311
Dimension Stone Mining and Quarrying
→
212312
Crushed and Broken Limestone Mining and Quarrying
→
212313
Crushed and Broken Granite Mining and Quarrying
→
212319
Other Crushed and Broken Stone Mining and Quarrying
→
212321
Construction Sand and Gravel Mining
→
212322
Industrial Sand Mining
→
212323
Kaolin, Clay, and Ceramic and Refractory Minerals Mining
→
212390
Other Nonmetallic Mineral Mining and Quarrying
→
213111
Drilling Oil and Gas Wells
→
213112
Support Activities for Oil and Gas Operations
→
213113
Support Activities for Coal Mining
→
213114
Support Activities for Metal Mining
→
213115
Support Activities for Nonmetallic Minerals (except Fuels) Mining
→