Oil, gas, and natural gas liquids drilling and pumping

Gas, condensate, and natural gas liquids supplying and distribution; transmission of gas, condensate, and natural gas liquids through pipelines; natural gas, condensate, and natural gas liquids gathering services, namely, transportation from well pads through interstate pipelines; Gas, condensate, and natural gas liquids transportation and storage

Natural gas liquefaction services; oil and gas production services; gas gathering services in the nature of gas processing; and processing of natural gas

Analysis of oil and gas fields; exploration and searching of oil and gas; geophysical exploration for the oil industry; geophysical exploration for the gas industry; oil and gas field surveying; oil and gas prospecting; oil and gas well testing; surveying of oil and gas beds and fields