Fuels (including motor spirits); lighting fuel; natural gas; electrical energy produced from renewable sources; electrical energy produced from non-renewable sources

Hydrogen distributors for industry; hydrogen distribution pumps for industry; injectors; generators; gas compressors; gas turbines; gas pistons; gas converters; gas filtering machines; pressure intensifiers for gases; intake systems for gas turbines; suction valves for gas compressors; compressors; compressors for the recovery and recycling of gases; blowing machines for the compression, exhaustion and transport of gases; compressors for the recovery and recycling of gases

Heating apparatus; steam generating apparatus; cooking apparatus; reactors for gas-gas reactions; reactors for gas-solids reactions; reactors in the form of industrial chemical installations

Hydrogen production; Natural gas treatment; gas purification; gas filtration; gas production services; generation of electricity and gas; production of energy; rental of energy production equipment; advisory services with respect to the production of energy; recycling of chemical products; recycling services; petrochemical refining services; processing of hydrocarbons; processing gas and oil; treatment of combustible materials; treatment of chemical products; processing of hydrocarbon by-products; processing of chemical and petrochemical products

Engineering services with respect to producing electricity and natural gas; engineering services with respect to systems for the supply and transport of gas; engineering project management services; quality audits; energy auditing; engineering project design; engineering design and consultancy; computer-aided graphic design; conducting of engineering surveys; conducting of technical project studies; advice with respect to energy saving; advice relating to civil engineering (engineers' services); professional advice in the field of energy saving; technical consultancy in the field of environmental engineering; technical project development in the field of engineering; development of systems for energy and electricity management; technical project study; technical feasibility studies in the field of engineering; engineering project studies; technical project studies in the field of carbon offsetting; environmental surveys; evaluation of environmental risks; surveying [engineering work]; providing technological information concerning ecological and environmentally-friendly innovations; civil engineering (engineering works); scientific advice and information with respect to carbon offsetting; engineering; preparation of engineering reports; technical consultancy in connection with energy-saving measures; conducting technical project studies and research related to the use of natural energy; realizing of expertise [engineering services]; quality control testing; researches in the field of ecology; technical research; environmental information services; engineering services relating to energy supply systems; consultancy services relating to energy efficiency; advisory services relating to quality control; compliance testing services; quality control, authentication and testing; engineering tests; environmental exhaust emission tests