4
Fuels; Petroleum; Natural gas; Lubricants and fuels, namely, oil, natural gas and liquefied natural gas, and industrial oils and greases; Petroleum products, namely, oil, natural gas, mineral-based fuels, diesel fuels and other fuels; liquefied petroleum gases, including liquefied natural gas
37
Oil and gas drilling services
39
Transportation of fuels by pipeline, including oil, natural gas and liquefied natural gas; Transportation, distribution and storage of oil, natural gas, mineral-based fuels, diesel fuels and other fuels, including by pipeline
40
Production of natural gas and oil; Processing and production of petroleum products, namely, oil, natural gas, mineral-based fuels, diesel fuels and other fuels
42
Petroleum exploration; Energy exploration, namely exploration for oil and natural gas; Oil, natural gas and mineral exploration; consultation and engineering in the field of oil, natural gas and mineral exploration
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