[Class : 37] Building Maintenance Services; Repair Of Buildings And Building Contents; Installation, Maintenance And Repair Of Utilities; Installation And Repair Of Heating Equipment And Generating Systems; Installation And Repair Of Steam Generating Systems; Air Conditioning Apparatus Installation And Repair; Refrigeration Apparatus Installation And Repair; Electrical Appliance Installation And Repair; Fire Alarms And Fire Fighting Equipment Installation And Repair In Buildings; Advisory Services Relating To The Maintenance Of Buildings; Building Construction, Renovation And Demolition Services; Building Insulation Services; Cleaning Of Building Exteriors, Windows And Roads; Installation And Repair Of Water Distribution, Water Treatment And Irrigation Device Systems; Cleaning Services; Janitorial Services; Disinfecting Services; Rental Of Cleaning Apparatus; Installation And Maintenance Of Sanitary And Cleaning Equipment; Washing Of Vehicles, Including Trash Collection Vehicles; Urban Cleaning Services, Including Washing, Aspiration, Dry Removal, Poster Removal, Street Cleaning And Sweeping Services; Construction, Installation, Maintenance And Repair Of Road Network And Traffic Signalling Equipment, Public Lighting Networks And Luminous Signs, And Urban Traffic Regulation Equipment And Networks; Road And Railway Repair Services; Maintenance And Repair Of Rail And Road Vehicles; Construction, Installation, Maintenance And Repair Of Equipment For The Disposal And Treatment Of Medical Waste; Pest Control; Extermination Of Vermin; Information And Consulting Services Concerning The Aforesaid Services.