4
Fuels, especially liquefied natural gas, biogas, liquefied biogas, liquefied gas, gas and gas mixtures
7
Fuel pumps
11
Gas, liquefied natural gas, biogas, liquefied biogas and liquefied gas operated apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
35
Retail of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas; business administration service connected with gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas production and distribution; sale promotion activities related to gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas production and distribution
37
Installation, maintenance and repair services of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas operated apparatus and gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas supply systems
39
Transmission, distribution, supply; transportation and storage of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas
40
Gas, liquefied natural gas, biogas and liquefied gas production; procession of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; consultancy in the field of energy-saving; technical advisory services relating to the use of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas; design of engineering works relating to gas pipelines and heating solutions; engineering services; remote diagnosis services for monitoring the condition and function of gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas operated apparatus and gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas supply systems; remote diagnosis services for ascertaining the cause of malfunctions in gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas operated apparatus and gas, liquefied natural gas, liquefied biogas, biogas and liquefied gas supply systems