[Class : 37] Building Construction Services; Repair Services; Installation Services; Maintenance And Repair Of Buildings; Maintenance And Repairs Of Computers; Maintenance And Repair Of Communications Network; Maintenance And Repair Of Electronic, Plumbing And Mechanical Equipments, Maintenance And Repair Of Utilities In Buildings; Erection Of Pre Fabricated Buildings, Structures; Hvac (Heating, Ventilation And Air Conditioning) Installation, Maintenance And Repair Services; Guest House Maintenance Services; Electric Installation Services; Plumbing Services; Carpentry Services; Repair Of Animal Waste Treatment System; Repair Of Industrial Waste Treatment Machines; On Site Building Project Management; Sewer Pipe Management; Providing Information Relating To The Maintenance And Repair Of Laboratory Apparatus And Instruments; Façade Cleaning Services; Pest Control Services; Disinfecting Services; Waste Disposal For Others; Waste Removal; Machinery Retrofit And Conversion Services; Repair Or Maintenance Of Vending Machines; Cleaning Of Buildings (Exterior & Interior), Upholstering; Upholstery Repair, Varnishing; Vermin Exterminating (Other Than For Agriculture).