2 NAICS industries for “naics:2121”

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NAICS (North American Industry Classification System) classifies businesses by their primary activity. It is used for government statistics, contracting, marketing, and business research. Learn about NAICS →

  1. 212114 Surface Coal Mining

    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) beneficiating (e.g., cleaning, washing, screening, and sizing), but not mining, bituminous coal, lignite, and anthracite coal.

    210 U.S. business records

  2. 212115 Underground Coal Mining

    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.

    2 U.S. business records

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Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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