NAICS for "naics:21"
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211120 - Crude Petroleum Extraction
This industry comprises establishments primarily engaged in (1) the exploration, development, and/or the production of petroleum from wells in which the hydrocarbons will initially flow or can be produced using normal or enhanced drilling and extraction techniques or (2) the production of crude petroleum from surface shales or tar sands or from reservoirs in which the hydrocarbons are semisolids. …Examples: Crude petroleum from oil sand, Crude petroleum from oil shale, Crude petroleum lease condensate production, Crude -
211130 - Natural Gas Extraction
This industry comprises establishments primarily engaged in (1) the exploration, development, and/or the production of natural gas from wells in which the hydrocarbons will initially flow or can be produced using normal or enhanced drilling and extraction techniques or (2) the recovery of liquid hydrocarbons from oil and gas field gases. Establishments primarily engaged in sulfur recovery from …Examples: Butane, natural, mining, Casing-head butane and propane production, Coal gasification at mine site, Coal liquefaction
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212114 - Surface Coal Mining
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) surface mining of bituminous coal, lignite, and anthracite coal; (2) developing bituminous coal, lignite, and anthracite coal surface mine sites; (3) surface mining and beneficiating (e.g., cleaning, washing, screening, and sizing) of bituminous coal, lignite, and anthracite coal; or (4) …Examples: Bituminous coal, lignite, or anthracite beneficiating (e.g., cleaning, crushing, screening, washing, sizing),
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212115 - Underground Coal Mining
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) underground mining of bituminous and anthracite coal; (2) developing bituminous and anthracite coal underground mine sites; and (3) underground mining and beneficiating (e.g., cleaning, washing, screening, and sizing) of bituminous and anthracite coal. …Examples: Bituminous coal or anthracite underground mine site development for own account, Bituminous coal or anthracite
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212210 - Iron Ore Mining
This industry comprises establishments primarily engaged in (1) developing mine sites, mining, and/or beneficiating (i.e., preparing) iron ores and manganiferous ores valued chiefly for their iron content and/or (2) producing sinter iron ore (except iron ore produced in iron and steel mills) and other iron ore agglomerates. …Examples: Agglomerates, iron ore, beneficiating, Briquets, iron, mining and/or beneficiating, Brown ore mining and/or
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212220 - Gold Ore and Silver Ore Mining
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their gold and/or silver content. Establishments primarily engaged in the transformation of the gold and silver into bullion or dore bar in combination with mining activities are included in this industry. …Examples: Bullion, gold, produced at the mine, Bullion, silver, produced at the mine, Calaverite mining and/or beneficiating,
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212230 - Copper, Nickel, Lead, and Zinc Mining
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their copper, nickel, lead, or zinc content. Beneficiating includes the transformation of ores into concentrates. Establishments primarily engaged in recovering copper concentrates by the precipitation, leaching, or electrowinning of copper …Examples: Blende (zinc) mining and/or beneficiating, Calamine mining and/or beneficiating, Cerussite mining and/or beneficiating,
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212290 - Other Metal Ore Mining
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel, lead, and zinc ore). …Examples: Beryllium ores mining and/or beneficiating, Carnotite mining and/or beneficiating, Cerium concentrates beneficiating,
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212311 - Dimension Stone Mining and Quarrying
This U.S. industry comprises establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone). …Examples: Argillite mining or quarrying, Basalt mining or quarrying, Bluestone mining or quarrying, Calcareous tufa mining or
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212312 - Crushed and Broken Limestone Mining and Quarrying
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa) and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing). …Examples: Agricultural limestone mining and/or beneficiating, Calcareous tufa crushed and broken stone mining and/or
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212313 - Crushed and Broken Granite Mining and Quarrying
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, and/or mining or quarrying crushed and broken granite (including related rocks, such as gneiss, syenite (except nepheline), and diorite) and (2) preparation plants primarily engaged in beneficiating granite (e.g., grinding or pulverizing). …Examples: Diorite crushed and broken stone mining and/or beneficiating, Gneiss crushed and broken stone mining and/or
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212319 - Other Crushed and Broken Stone Mining and Quarrying
This U.S. industry comprises: (1) establishments primarily engaged in developing the mine site and/or mining or quarrying crushed and broken stone (except limestone and granite); (2) preparation plants primarily engaged in beneficiating (e.g., grinding and pulverizing) stone (except limestone and granite); and (3) establishments primarily engaged in mining or quarrying bituminous limestone and …Examples: Basalt crushed and broken stone mining and/or beneficiating, Bituminous limestone mining and/or beneficiating,
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212321 - Construction Sand and Gravel Mining
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel. …Examples: Common sand quarrying and/or beneficiating, Construction sand and gravel beneficiating (e.g., grinding, screening,
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212322 - Industrial Sand Mining
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) operating industrial grade sand pits; (2) dredging for industrial grade sand; and (3) washing, screening, or otherwise preparing industrial grade sand. …Examples: Abrasive sand quarrying and/or beneficiating, Blast sand quarrying and/or beneficiating, Enamel sand quarrying and/or
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212323 - Kaolin, Clay, and Ceramic and Refractory Minerals Mining
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site and/or mining clay (e.g., china clay, paper clay and slip clay) or ceramic and refractory minerals and (2) establishments primarily engaged in beneficiating (i.e., preparing) clay or ceramic and refractory minerals. …Examples: Andalusite mining and/or beneficiating, Aplite mining and/or beneficiating, Ball clay mining and/or beneficiating,
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212390 - Other Nonmetallic Mineral Mining and Quarrying
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or milling or otherwise beneficiating (i.e., preparing) nonmetallic minerals (except coal, stone, sand, gravel, clay, and ceramic and refractory minerals). Drylake brine operations are included in this industry, as well as establishments engaged in producing the specified minerals from underground …Examples: Grahamite mining and/or beneficiating, Graphite mining and/or beneficiating, Greensand mining and/or beneficiating,
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213111 - Drilling Oil and Gas Wells
This U.S. industry comprises establishments primarily engaged in drilling oil and gas wells for others on a contract or fee basis. This industry includes contractors that specialize in spudding in, drilling in, redrilling, and directional drilling. …Examples: Directional drilling of oil and gas wells on a contract basis, Drilling directional oil and gas field wells on a
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213112 - Support Activities for Oil and Gas Operations
This U.S. industry comprises establishments primarily engaged in performing support activities, on a contract or fee basis, for oil and gas operations (except geophysical surveying and mapping, site preparation, construction, and transportation activities). Services included are exploration; excavating slush pits and cellars, well surveying; running, cutting, and pulling casings, tubes, and …Examples: Acidizing oil and gas field wells on a contract basis, Building oil and gas well foundations on a contract basis,
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213113 - Support Activities for Coal Mining
This U.S. industry comprises establishments primarily engaged in providing support activities for coal mining (except geophysical surveying and mapping, site preparation, construction, and transportation activities) on a contract or fee basis. Exploration for coal is included in this industry. Exploration services include traditional prospecting methods, such as taking core samples and making …Examples: Anthracite mine tunneling on a contract basis, Anthracite mining services on a contract basis (except geophysical
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213114 - Support Activities for Metal Mining
This U.S. industry comprises establishments primarily engaged in providing support activities (except geophysical surveying and mapping, site preparation, construction, and transportation activities), on a contract or fee basis, for the mining and quarrying of metallic minerals and for the extraction of metal ores. Exploration for these minerals is included in this industry. Exploration …Examples: Blasting services, metal mining, on a contract basis, Boring test holes for metal mining on a contract basis, Draining
