4
Crude oil, condensate, natural gas liquids; natural gas; liquefied natural gas; hydrocarbon gases; liquefied petroleum gas
35
Business information services, namely, business data collection and preparation of business reports in the oil and gas fields for regulatory compliance purposes
36
Tax payment processing services, namely, gas utility tax payment processing services
37
Oil and gas drilling and pumping; Installation, maintenance and repair of liquid and compressed natural gas fueling systems, namely, vehicle fueling stations for use by consumers; Maintenance of facilities for operating fleets of compressed natural gas vehicles; Vehicle refueling services; Vehicle repair services; extraction of oil and gas
39
Gas supplying and distribution; transmission of gas through pipelines; natural gas gathering services, namely, transporting natural gas from well pads through interstate pipelines; natural gas transportation and storage; natural gas gathering, namely, shipping natural gas through pipelines to a natural gas processing plant or to an acceptance point of a transportation pipeline
40
Natural gas liquefaction services; Oil and gas well treatment; Oil and gas production services; processing of natural gas
41
Providing information on-line relating to educational opportunities in the field of oil and gas exploration and production
42
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; Oil and gas well drilling services, namely, providing measurements and downhole telemetry while drilling; Technical consulting in the field of oil and gas production and processing
45
Advice and consultancy on environmental regulatory matters for the oil and gas industry