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NAICS 2022 US
212115

Underground Coal Mining

上级代码 21211
实施日期 2022-01-01

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.

Surface mining and/or beneficiating of bituminous coal, lignite, and anthracite coal--are classified in U.S. Industry 212114, Surface Coal Mining; Providing support activities (except geophysical surveying and mapping, site preparation, construction, and transportation) for the mining of coal on a contract or fee basis--are classified in U.S. Industry 213113, Support Activities for Coal Mining; Manufacturing coke oven products in coke oven establishments--are classified in U.S. Industry 324199, All Other Petroleum and Coal Products Manufacturing; and Manufacturing coal products in steel mills--are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing.

Bituminous coal or anthracite underground mine site development for own account Bituminous coal or anthracite underground mining Coal, bituminous or anthracite, underground mining Hard coal (i.e., anthracite) underground mining Semianthracite underground mining Semibituminous coal underground mining Subbituminous coal underground mining

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标准元数据
标准名称 NAICS 2022
标准全称 北美行业分类系统(2022版)
国家/地区 US
发布机构 美国行政管理和预算局 (OMB)
上级代码 21211
发布日期
实施日期 2022-01-01
标准转换
选择目标标准,AI 将自动分析并映射对应的行业代码
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GB/T 4754—2017
国民经济行业分类(GB/T 4754-2017)
国际标准
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联合国国际标准行业分类(第四次修订本)
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ISIC 第五版
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跨国区域标准
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欧盟经济活动统计分类(第2版)
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国家标准
🇨🇳
GB/T 4754—2017
国民经济行业分类(GB/T 4754-2017)