This industry comprises establishments primarily engaged in the pipeline transportation of natural gas from processing plants to local distribution systems. This industry includes the storage of natural gas because the storage is usually done by the pipeline establishment and because a pipeline is inherently a network in which all the nodes are interdependent. Establishments primarily engaged in--

Including:

• Booster pumping station, natural gas transportation
• Gas, natural, pipeline operation
• Natural gas pipeline transportation
• Natural gas transmission (i.e., processing plants to local distribution systems)
• Pipeline transportation, natural gas
• Storage of natural gas
• Transmission of natural gas via pipeline (i.e., processing plants to local distribution systems)