NAICS 2022 US

Crushed and Broken Limestone Mining and Quarrying

Parent Code 21231

Implementation Date 2022-01-01

Industry Description

This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa) and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing).

Excludes

Producing lime--are classified in Industry 327410, Lime Manufacturing; and Mining or quarrying bituminous limestone--are classified in U.S. Industry 212319, Other Crushed and Broken Stone Mining and Quarrying.

Keywords

Agricultural limestone mining and/or beneficiating Calcareous tufa crushed and broken stone mining and/or beneficiating Cement rock crushed and broken stone mining and/or beneficiating Chalk crushed and broken stone mining and/or beneficiating Chalk, ground or otherwise treated, mining and/or beneficiating Dolomite crushed and broken stone mining and/or beneficiating Lime rock, ground, mining and/or beneficiating Limestone (except bituminous) crushed and broken stone mining and/or beneficiating Limestone beneficiating plants (e.g., grinding or pulverizing) Marl crushed and broken stone mining and/or beneficiating Riprap, limestone, mining or quarrying Riprap, limestone, preparation plants Travertine crushed and broken stone mining and/or beneficiating Tufa, calcareous, crushed and broken stone, mining and/or beneficiating Whiting crushed and broken stone, mining and/or beneficiating

Conversion Reference

Convert NAICS 2022 code 212312 to GB/T 4754—2017 Convert NAICS 2022 code 212312 to ISIC Rev.4 Convert NAICS 2022 code 212312 to NACE Rev. 2 Convert NAICS 2022 code 212312 to ISIC Rev.5 Convert NAICS 2022 code 212312 to NACE Rev. 2.1

Conversion Results

ALGORITHMIC_INFERENCE

Standard Metadata

Standard Name NAICS 2022

Full Name North American Industry Classification System, 2022

Country / Region US

Issuing Agency Office of Management and Budget (OMB)

Parent Code 21231

Release Date

Implementation Date 2022-01-01

Standard Conversion

Select a target standard, AI will automatically analyze and map the corresponding industry code

Target Standard

🇨🇳

GB/T 4754—2017

Industrial Classification for National Economic Activities (GB/T 4754-2017)

International Standard

🇺🇳

ISIC Rev.4

International Standard Industrial Classification of All Economic Activities, Revision 4

🇺🇳

ISIC Rev.5

International Standard Industrial Classification of All Economic Activities, Revision 5

Regional Standards

🇪🇺

NACE Rev. 2

Statistical Classification of Economic Activities in the European Community, Rev. 2

🇪🇺

NACE Rev. 2.1

Statistical Classification of Economic Activities in the European Community, Rev. 2.1

National Standards

🇨🇳

GB/T 4754—2017

Industrial Classification for National Economic Activities (GB/T 4754-2017)