North American Industry Classification System (NAICS) 2002

21 - Mining and Oil and Gas Extraction

This sector comprises establishments primarily engaged in extracting naturally occurring minerals. These can be solids, such as coal and ores; liquids, such as crude petroleum; and gases, such as natural gas. The term "mining" is used in the broad sense to include quarrying, well operations, milling (for example, crushing, screening, washing, or flotation) and other preparation customarily done at the mine site, or as a part of mining activity. Establishments engaged in exploration for minerals, development of mineral properties and mining operations are included in this sector. Establishments performing similar activities, on a contract or fee basis, are also included.

North American Industry Classification System (NAICS) 2002 - Classification structure
Code Subsector
211Oil and Gas Extraction Oil and Gas Extraction
212Mining (except Oil and Gas) Mining (except Oil and Gas)
213Support Activities for Mining and Oil and Gas Extraction Support Activities for Mining and Oil and Gas Extraction
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