[Class : 37] Construction Services For Installations Enabling Production And Distribution Of Energy, Namely Electricity, Heat, Biofuel, From Renewable Sources (Biogas, Biomass, Biofuels, Photovoltaic Solar Energy, Wind Energy); Construction Services For Structures For The Production Of Natural Gas; Construction Services For Structures For The Storage Of Natural Gas; Construction Services For Structures For The Organic Waste Methanation For Purposes Of Energy Production (Biogas); Construction Services For Structures Enabling The Combustion Of Wood Resources For The Purposes Of Energy Production (Biomass); Maintenance And Repair Services For Installations Enabling Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Biogas, Biomass, Biofuels, Photovoltaic Solar Energy, Wind Energy); Installation Services For Apparatus For The Supply And Distribution Of Gas; Installation Services For Gas And Water Pipelines; Maintenance And Repair Services For Industrial Waste Treatment Machines, Organic Waste Treatment Machines, Animal Waste Treatment Machines; Oil And Gas Drilling Services; Hydrogen Gas Refueling For Vehicles; Underground Construction Works In Connection With Mains Gas Supply Lines; Maintenance And Repair Services For Installations Operating On Gas And Electricity; Installation Services For Gas Supply Pipeline Systems; Plumbing, Gas And Water Installation Services; Consulting And Information Services Relating To The Aforesaid Services; Construction And Renovation Advice.[Class : 42] Engineering Services With Respect To The Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Photovoltaic Solar Energy, Wind Energy, Biogas, Biomass); Design And Development Of Installations Enabling Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Photovoltaic Solar Energy, Wind Energy, Biogas, Biomass); Engineering Services With Respect To Systems For The Supply And Transport Of Gas; Technical Studies In The Field Of The Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Photovoltaic Solar Energy, Wind Energy, Biogas, Biomass); Technical Studies And Research In The Field Of Gas Exploration; Technical Studies And Research In The Field Of The Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Photovoltaic Solar Energy, Wind Energy, Biogas, Biomass); Engineering Services For The Gas Industry; Design Office Services; Research And Development Of New Products In The Field Of The Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Photovoltaic Solar Energy, Wind Energy, Biogas, Biomass); Consulting And Auditing Services With Respect To Energy Saving, Energy Consumption And Energy Efficiency; Research, Studies And Consulting With Respect To Environmental Protection And Sustainable Development; Quality Control Services (Operation, Performance), Especially In The Field Of Installations Enabling Production And Distribution Of Energy, Namely, Electricity, Heat, Biofuel, From Renewable Sources (Biogas, Biomass, Biofuels, Photovoltaic Solar Energy, Wind Energy); Advice In Drawing Up Construction Plans (Engineering Work).