1
Hydrocarbons; Gaseous hydrocarbon compounds; Gaseous hydrocarbons
4
Electrical energy from renewable sources; Liquefied natural gas; Hydrocarbon fuels derived from tar; Electrical energy from non-renewable sources; Electricity; Compressed natural gas; Natural gas
7
Waste disposals
37
Construction of structures for the storage of natural gas; Construction of structures for the production of natural gas; Natural gas refuelling service for motor vehicles; Waste removal [cleaning]; Construction of structures for the transportation of natural gas
39
Transportation of waste; Electricity storage; Transport and distribution of natural gas and liquefied gas; Waste disposal [transporation]; Disposal [transport] of waste; Electricity distribution services; Waste removal [transport]; Waste removal; Distribution and transmission of electricity; Distribution of electricity; Storage of electricity; Transport of natural gas; Electricity distribution; Storage of liquefied natural gas on ships; Removal of waste; Transport of liquefied natural gas by sea; Supply of electricity; Waste transport; Electricity distribution via wires; Public utility services in the nature of natural gas distribution; Marine transport of liquefied natural gas; Waste collection; Electricity supply and distribution; Distribution of electricity to households; Storage of waste; Electricity supply services; Waste storage; Transport and storage of waste; Electricity distribution and supply
40
Generation of electricity from solar energy; Recycling of waste materials; Treatment [recycling] of waste; Recycling of waste; Generation of electricity; Processing of hydrocarbons; Upcycling [waste recycling]; Waste disposal [treatment of waste]; Destruction of waste and trash; Generation of electricity from wave energy; Treatment of natural gas; Recycling of refuse and waste; Incineration of waste and trash; Recycling and waste treatment; Waste destruction; Recycling of waste and trash; Waste and trash (Incineration of -); Recycling of waste products; Electricity generation; Incineration and destruction of waste; Incineration of waste; Generation of electricity from geothermal energy; Generation of gas and electricity; Natural gas liquefaction services; Waste processing [transformation]; Generating of electricity; Treatment of waste; Waste management services [recycling]; Waste processing; Waste treatment; Burning of refuse and waste; Processing of hydrocarbon derivatives; Waste and trash (Recycling of -); Generation of electricity from wind energy; Waste recycling services; Waste incineration; Treatment of waste materials; Processing of natural gas; Treatment [transformation] of waste; Waste and trash (Destruction of -); Production of electrical power from renewable sources; Waste treatment [transformation]; Electricity generating
42
Engineering services in the field of electrical power and natural gas production