The Mining and Drilling sector comprises industries and companies involved in extracting naturally occurring mineral solids, such as coal and ores;
liquid minerals, such as crude petroleum; and gases, such as natural gas.
quarrying, well operations, beneficiating (e.g., crushing, screening, washing,
and flotation), and other preparation customarily performed at the mine
site, or as a part of mining activity.

Industries and companies involved in Oil and Gas extraction are listed
under href="http://dmoz.org/Business/Energy_and_Environment/Oil_and_Gas/">Business/Energy_and_Environment/Oil_and_Gas/

(Source: This category description is based on the North American Industry Classification System (NAICS), 1997).

Last update : 2003-04-18 03:56:39