[Class : 35] Business Management; Business Administration; Providing Office Functions; Collecting, Storing And Obtaining Of Data And Information, Namely, Collection And Systematization Of Information Into Computer Databases; Analysis Of Costs And Prices; Collecting And Systemization Of Information For Use In Databases, Conducting Marketing Studies, Marketing Research, Price Comparing Services; Retail Electricity Provider Services That Allow Customers To Purchase Electricity And Renewable Energy; Procurement Services For Others, Namely, Purchasing Energy, Energy Supply And Fuel On Behalf Of Others For Re Sale Purposes; Cost Price Analyses In The Field Of Energy Procurement And Energy Supply[Class : 37] Construction Of Hydro Power Plants, Wind Power Plants, And Gas Power Plants; Maintenance And Repair Of Hydro Power Plants, Wind Power Plants, Gas Power Plants; Installation Of Electrical Systems, Installation And Repair Of Heating Apparatus And Central Heating Apparatus; Operation And Maintenance Services, Namely, Maintenance Of Power Plants; Construction Of Combustion Plants; Building Construction; Building Construction Regarding Industrial Complexes; Building Services, Namely, Construction Of Dams, Reservoirs And Hydraulic Power Plants; Construction, Installation, Repair And Maintenance Of Thermal, Hydro Electrical And Nuclear Power Plants[Class : 40] Generation Of Electrical Power And Electricity; Generation Of Gas For District Heating; Waste Burning, Namely, Incineration Of Waste; Generation Of Electricity, Heat And Energy