This major group includes establishments primarily engaged in: producing crude petroleum and natural gas, extracting oil from oil sands and oil shale, producing natural gasoline and cycle condensate and producing gas and hydrocarbon liquids from coal at the mine site. Types of activities included are exploration, drilling, oil and gas well operation and maintenance, the operation of natural gasoline and cycle plants, and the gasification, liquefaction, and pyrolysis of coal at the mine site.
http://www.averickmedia.com/mailing-list/oil-and-gas-extraction-mailing-list.html
|