U.S. Census Bureau

2007 NAICS Definitions


333131 Mining Machinery and Equipment Manufacturing

This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, rock drills and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines.

Cross-References. Establishments primarily engaged in--


Go to: No change 2002 to 2007 No change 1997 to 2002 2002 Economic Census and other data sources

2007
NAICS		2002
NAICS		1997
NAICS		 Corresponding Index Entries
333131333131333131 Amalgamators (i.e., metallurgical and mining machinery) manufacturing
333131333131333131 Augers, mining-type, manufacturing
333131333131333131 Bits, rock drill, underground mining-type, manufacturing
333131333131333131 Breakers, coal, manufacturing
333131333131333131 Cars, mining, manufacturing
333131333131333131 Cleaning machinery, mining-type, manufacturing
333131333131333131 Coal breakers, cutters, and pulverizers manufacturing
333131333131333131 Concentration machinery, mining-type, manufacturing
333131333131333131 Core drills, underground mining-type, manufacturing
333131333131333131 Crushing machinery, stationary, manufacturing
333131333131333131 Cutters, coal, manufacturing
333131333131333131 Drilling equipment, underground mining-type, manufacturing
333131333131333131 Drills, core, underground mining-type, manufacturing
333131333131333131 Drills, rock, underground mining-type, manufacturing
333131333131333131 Dumpers, mining car, manufacturing
333131333131333131 Feeders, mineral beneficiating-type, manufacturing
333131333131333131 Flotation machinery, mining-type, manufacturing
333131333131333131 Hammer mill machinery (i.e., rock and ore crushing machines), stationary, manufacturing
333131333131333131 Loading machines, underground mining, manufacturing
333131333131333131 Mineral processing and beneficiating machinery manufacturing
333131333131333131 Mining cars manufacturing
333131333131333131 Ore crushing, washing, screening, and loading machinery manufacturing
333131333131333131 Pellet mills machinery, mining-type, manufacturing
333131333131333131 Quarrying machinery and equipment manufacturing
333131333131333131 Rock crushing machinery, stationary, manufacturing
333131333131333131 Rock drills, underground mining-type, manufacturing
333131333131333131 Scraper loaders, underground mining-type, manufacturing
333131333131333131 Screening machinery, stationary, manufacturing
333131333131333131 Sedimentary mineral machinery manufacturing
333131333131333131 Sieves and screening equipment, mineral beneficiating, manufacturing
333131333131333131 Stone beneficiating machinery manufacturing
333131333131333131 Underground mining machinery manufacturing
333131333131333131 Washers, aggregate and sand, stationary, manufacturing