[Class : 37] Construction Of Roads, Construction Of Bridges, Construction Of Drainage Systems, Construction Of Walls,Construction Of Leisure Complexes, Infrastructure Construction, Construction Supervision Of Civil Engineering Projects, Building Construction; Repair; Installation Services, Refuelling Of Land Vehicles; Construction Of Ports; Installation Of Energy Saving Apparatus, Repair Of Energy Supply Installations, Maintenance And Repair Of Energy Generating Installations, Maintenance And Repair Of Wave Energy Power Plants; Extraction Of Natural Resources; Installation Of Gas Supply And Distribution Apparatus; Natural Gas Refuelling Service For Motor Vehicles; Gasoline Refuelling Service For Motor Vehicles; Maintenance And Repair Of Oil And Gas Storage Installations; Vehicle Repair, Maintenance, Refuelling And Recharging; Vehicle Service Station Services [Refuelling And Maintenance]; Fluid Pumping Services; Vehicle Fueling Services; Fuelling Of Aircraft; Installation Of Solar Heating Systems, Construction Of Utility Solar Installations; Maintenance And Repair Of Solar Thermal Installations; Installation Of Non Residential Solar Panel Power Systems; Installation Of Wind Power Systems; Repair And Maintenance Of Wind Power Plants; Mining Extraction