Hydrocarbon fuels, namely, oil, natural gas and liquid natural gas; industrial oils and greases; motor fuels and oils

Treatment of materials by means of mechanical and chemical processing and transformation of organic and inorganic substances in the fields of energy exploration and production, namely, natural gas, liquid natural gas, oil, and gasses obtained from oil wells

Energy exploration services, namely, exploration services in the fields of oil, gas, liquid natural gas and other hydrocarbons; petroleum exploration services; scientific services, namely, research and development provided by technically-oriented professionals, namely, geologists, chemists, physicists, geophysicists, engineers and computer specialists