Economic activity types

This class includes: - production of electricity from other sources. Excludes: - production of electricity from waste incineration, see 38.21.6

This subclass includes: - operation of electricity transmission systems: the transport of electricity from generators to distribution networks

This subclass includes: - management of distribution networks (cables, poles, meters, electrical wiring systems) to transmit electricity from the entities that manage the electricity generation or transmission systems to the final consumers

This class includes: - production of gas for gas supply by gasification of coal, agricultural by-products or other waste - production of gaseous fuels of a certain specific heat of combustion from various types of gases (including natural gas) by refining, blending and other processes. Excludes: - production of natural gas, see 06.20 - operation of coke ovens, see 19.10 - production of industrial gases, see 20.11

This class includes: - supply and distribution of all types of gaseous fuels through a gas supply system. Excludes: - long-distance transportation of gas through pipelines, see 49.50

This class includes: - sale of gas to consumers through a system of main pipelines - activities of gas sales agents and intermediaries who arrange for the sale of gas to final consumers through distribution networks operated by other entities - operating services incidental to the sale and distribution of gaseous fuels. Excludes: - wholesale of gaseous fuels, see 46.71 - retail sale of gas in cylinders, see 47.78 - retail sale of fuels supplied directly to consumers, see 47.99

This subclass includes: - production, collection and distribution of steam and hot water for heating, power generation and other purposes - production and distribution of cooling air - production and distribution of cooling water - production of ice for cooling or refrigeration

This class includes: - manufacture of clinker and hydraulic cement, including Portland, agglomerated, slag and superphosphate cement. Excludes: - manufacture of refractory mortars, cement and similar products, see 23.20 - manufacture of ready-mixed and dry mortars and concrete, see 23.63, 23.64 - manufacture of cement products, see 23.69 - manufacture of cement for use in dentistry, see 32.50

This class includes: - wholesale of round or primary processed wood, plywood, particle board and panels, wooden building structures and components, prefabricated buildings, wooden containers - wholesale of wallpaper and floor coverings

This class includes: - rental and leasing of air vehicles and equipment, such as airplanes, hot air balloons, etc., without crew. Excludes: - rental of air vehicles and equipment with crew, see division 51