|
| 0502 | 111998 | * | algae and seaweed farming | |
| | 112511 | | finfish farming and hatcheries | |
| | 112512 | | shellfish farming including production of cultured pearls | |
| | 112519 | * | turtle and other animal aquaculture, n.e.c.. | |
| 1010 | 211111 | * | liquefying and extracting coal | |
| | 212111 | * | bituminous coal surface mining (including separate locations beneficiating bituminous coal whether from surface or underground mines) | |
| | 212112 | | bituminous coal underground mining | |
| | 212113 | | anthracite mining (including separate locations beneficiating anthracite coal) | |
| | 213113 | * | anthracite coal recovery from culm banks and other contract or fee services to coal mining | |
| | 324199 | * | hard-coal fuel briquettes | |
| 1020 | 212111 | * | lignite surface mining (including separate locations beneficiating lignite whether from surface or underground mines) | |
| | 324199 | * | lignite fuel briquettes | |
| 1030 | 212399 | * | peat mining, digging or beneficiating in combination with mining | |
| 1110 | 211111 | * | extraction of crude petroleum and natural gas | |
| | 211112 | | extraction of natural gas liquids | |
| | 488999 | * | liquefaction and regasification of natural gas for purpose of transport | |
| 1120 | 213111 | | drilling oil and gas wells | |
| | 213112 | * | derrick construction, repair and dismantling services, cleaning wells, and other services incidental to oil and gas extraction performed on a contract or fee basis | |
| | 561990 | * | oil and gas field fire fighting services as a commercial activity | |
| 1200 | 212291 | * | uranium mining and/or beneficiating | |
| | 212299 | * | thorium mining and/or beneficiating | |
| 1310 | 212210 | | iron ore mining and/or beneficiating | |
| 1320 | 212221 | | gold mining and/or beneficiating | |
| | 212222 | | silver ore mining and/or beneficiating | |
| | 212231 | | lead and zinc ore mining and/or beneficiating | |
| | 212234 | | copper and nickel ore mining and/or beneficiating | |
| | 212291 | * | vanadium and radium mining and/or beneficiating | |
| | 212299 | * | bauxite, cobalt, magnesium, manganese, tungsten, mercury, monazite, molybdenum, rare earths, and other metal ore mining (except gold, silver, lead, zinc, copper, nickel, and vanadium) | |
| 1410 | 212311 | * | mining or quarrying or building or monument stone (e.g., marble, granite, sandstone, limestone), mining or quarrying slate | |
| | 212312 | * | crushed and broken limestone, dolomite, and chalk | |
| | 212313 | | crushed or broken granite | |
| | 212319 | * | crushed or broken marble, slate, or stone (except bituminous limestone, bituminous sandstone, and mica schist) | |
| | 212321 | | quarrying sand or gravel for construction | |
| | 212322 | | mining or quarrying industrial sand | |
| | 212324 | | mining or kaolin and ball clay (including separate establishments beneficiating kaolin or ball clay) | |
| | 212325 | * | mining of ceramic and refractory clays including bentonite (including separate establishments beneficiating these clays) | |
| | 212399 | * | gypsum, alabaster, pulpstone, millstone, and grindstone mining, other crushed stone including anhydrite, pulpstone, millstone, and grindstone | |
| 1421 | 212312 | * | quarrying or mining marl | |
| | 212391 | | quarrying or mining of potash, soda, and borite minerals | |
| | 212392 | | quarrying or mining of phosphate rock | |
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