Electricity transmission, Distribution of electricity, Electricity trading, GAS PRODUCTION; DISTRIBUTION OF GASEOUS FUELS CONTAINED, Gas production, Distribution of gaseous fuels by pipelines, Trade of gas distributed by means of pipelines, VAPOR SUPPLY AND AIR CONDITIONING, Collection and purification of waste water, RUBBISH COLLECTION, Collection of non-hazardous waste, Collect solid non-hazardous waste, Collection of hazardous waste, Collection of hazardous solid and non-solid waste, TREATMENT AND DISPOSAL OF WASTE, Treatment and disposal of non-hazardous waste, Treatment and disposal of non-hazardous waste; Compost production, Compost production, Treatment and disposal of other non-hazardous waste, Treatment and disposal of hazardous waste, RECOVERY OF MATERIALS, Demolition of carcasses, Naval demolition yards, Recovery and sorting of materials, Recovery and preparation for the recycling of waste and scrap metal, Recovery and preparation for the recycling of plastic material for the production of plastic raw materials, synthetic resins, Recovery and preparation for the recycling of solid urban, industrial and biomass waste, Removal of structures and elements in asbestos specializing in the building industry, Other refinancing and other waste management services, DEVELOPMENT OF REAL ESTATE PROJECTS, Development of non-construction real estate projects, CONSTRUCTION OF RESIDENTIAL AND NON RESIDENTIAL BUILDINGS, CONSTRUCTION OF ROADS AND RAILWAYS, Construction of roads and highways, Construction of roads, highways and airport slopes, Construction of railways and metropolitan lines, Construction of bridges and galleries, BUILDING WORKS OF PUBLIC UTILITY, Construction of public utility works for the transport of fluids, Construction of public utilities for electricity and telecommunications, CONSTRUCTION OF OTHER CIVIL ENGINEERING WORKS, Construction of hydraulic works, Building of other works of civil engineering nca, Land plots associated with urbanization, Other a
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