NAICS 211130
Natural Gas Extraction
This industry comprises establishments primarily engaged in (1) the exploration, development, and/or the production of natural gas from wells in which the hydrocarbons will initially flow or can be produced using normal or enhanced drilling and extraction techniques or (2) the recovery of liquid hydrocarbons from oil…
Inside Natural Gas Extraction
Nothing is classified below Natural Gas Extraction. Its organizations are in the registry; its schema is one link above.