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The Top500-Lexicon

The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.

NAICS Code 2131 (Inofficial Code)

The NAICS Code 2131 is described as
(Inofficial Code)
This industry comprises establishments primarily engaged in providing support services, on a fee or contract basis, required for the mining and quarrying of minerals and for the extraction of oil and gas. Drilling, taking core samples, and making geological observations at prospective sites (except geophysical surveying and mapping) for minerals, on a fee or contract basis, is included in this industry.

Establishments primarily engaged in-
· Performing geophysical surveying services for minerals (i.e., coal, metal ores, oil and gas, and nonmetallic minerals) on a contract or fee basis-are classified in Industry 54136, Geophysical Surveying and Mapping Services;
· Mining, quarrying, and/or beneficiating on a contract or fee basis-are classified in Subsector 212, Mining (except Oil and Gas) based on the mineral mined; and
· Operating oil and gas field properties on a contract or fee basis-are classified in Subsector 211, Oil and Gas Extraction based on the activity.


It belongs to the code group
NAICS Code 213 Support Activities for Mining

To this Code "2131" belongs the sub codes
  • NAICS Code 21311: (Inofficial Code)
    ((Inofficial Code))

The equivalent ISIC Code (Rev. 3.1) is
1010: Mining and agglomeration of hard coal
  Extraction et agglomération de houille

The nearest NACE Code (Rev. 1.1) is
10.10: Steinkohlenbergbau und -brikettherstellung
10.10: Mining and agglomeration of hard coal

The equivalent CPC Code (Rev. 1.1) is
xxxx: No Code defined

Translation of the Code description
2131: (Inofficial Code)

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