4
Electrical energy from renewable sources; Biofuels; Biodiesel; Biodiesel fuel; Vegetable charcoals; Benzine; Mineral oils; Methanol fuel; Fuel gas; Liquefied gas; Hydrocarbon fuels; Kerosene
35
Commercial intermediation services; Business brokerage services
37
Construction of structures for the storage of crude oil; Construction of oil and gas storage installations; Installation of oil refineries; Maintenance and repair of oil and gas storage installations; Construction of structures for the production of natural gas; Installation of oil pipelines; Oil pipeline construction
39
Distribution services; Storage of freight; Provision of warehousing services and facilities; Storage of oil; Transportation of crude oil; Arrangement of the transportation of hydrocarbons; Transport of oil; Arrangement of the transportation of fuels; Gas supplying [distribution]; Storage of liquefied natural gas on ships; Ship transport; Provision of shipborne storage services; Distribution of renewable energy
40
Processing of fuel materials; Reclamation of material from waste; Treatment of crude mineral oil; Production of electrical power from renewable sources
42
Assaying minerals or oils; Exploration of gas and oil; Analysis of oil reservoirs; Analysis of oil deposits; Exploration and searching of oil and gas; Geophysical exploration for the oil industry; Biochemical research and development; Research and development services in the field of chemistry; Gas exploration; Biotechnological research relating to the petroleum industry; Geophysical exploration for the oil, gas and mining industries; Provision of technical consultancy to the petrochemical industry