Mining Machinery & Equipment Manufacturing
Key Figures
Figures are published for NAICS 333131 directly.
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Official definition
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, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Mining Machinery and Equipment Manufacturing covers establishments that produce machinery and equipment specifically for underground mining operations and mineral beneficiation processes, including coal breakers, mining cars, core drills, coal cutters, and rock drills. Oil and Gas Field Machinery and Equipment Manufacturing, by contrast, classifies establishments producing drilling machinery, production equipment, and derricks designed for oil and gas extraction, along with water well drilling machinery. The boundary separates equipment engineered for mineral extraction in mines from equipment designed for petroleum and natural gas operations.