[Class : 37] Construction Services; Installation And Repair Services; Mining Extraction, Oil And Gas Drilling, Scaffolding Erection; Fence Erection Services; Erection Of Structural Steel Constructions; Erection Of Pre Fabricated Buildings; Erection Of Crowd Control Barriers; Erection Of Prefabricated Buildings; Erection Of Temporary Seating; Erection Of Sliding Formworks; Erection Of Display Boards; Erection Of Curtain Walling; Erection Of Climbing Formworks; Erection Of Scaffolding For Building And Construction; Erection Of Formwork For Restoration And Maintenance; Erection Of Formwork For Civil Engineering Construction; Erection Of Formwork For Building And Construction; Erection Of Temporary Constructions For Outdoor Events; Erection Of Pre Fabricated Buildings And Structures; Erection Of Prefabricated Buildings And Structures; Erection Of Scaffolding For Civil Engineering Construction; Construction And Erection Of Exhibition Stands, Stages And Booths; Erection Of Reinforced Concrete Structures Utilising Sliding And Climbing Formworks; Erection Of Reinforced Concrete Structures Utilizing Sliding And Climbing Formworks; Construction, Erection, Installation, Repair, Renovation, Servicing, Maintenance And Dismantling Of Wind Farms; Construction, Erection, Installation, Repair, Refurbishment, Servicing, Maintenance And Dismantling Of Wind Farms; Erection, Installation, Maintenance And Repair Of Wind Turbines, Wind Stations And Other Wind Powered Machines; Erection, Installation, Maintenance And Repair Of Windmills, Wind Power Plants, Wind Turbines And Other Wind Operated Machines; Retrofitting Of Ventilating Installations In Buildings; Retrofitting Of Heating Installations In Buildings; Retrofitting Of Air Conditioning Installations In Buildings; Retrofitting Of Air Conditioning Installations In Buildings; Retrofitting Of Heating, Ventilating And Air Conditioning Installations In Buildings; Retrofitting Of Heating, Ventilating And Air Conditioning Installations In Buildings; Maintenance And Repair Of Industrial Piping; Extraction (Mining ); Mining Services; Mining Extraction; Mining Extraction Services; Contract Mining Services; Mining For Precious Metals; Mining For Precious Stones; Repair Of Mining Machinery; Mining Extraction Of Sand; Mining Extraction Of Gems; Mining Extraction Of Gemstones; Mining Extraction Of Gypsum; Mining Extraction Of Bauxite; Mining Extraction Of Gravel; Mining Extraction Of Iron; Mining Extraction Of Phosphorite; Mining Extraction Of Clay; Mining Extraction Of Silica; Mining Extraction Of Coal; Mining Extraction Of Barite; Mining Extraction Of Talc; Mining Extraction Of Talcum; Mining Extraction Of Bentonite; Mining Extraction Of Limestone; Mining Extraction Of Minerals; Mining Extraction Of Uranium; Mining Extraction For Uranium; Mining Extraction Of Diatomite; Rental Of Drilling And Mining Apparatus; Maintenance And Cleaning Of Mining Equipment; Maintenance And Repair Of Mining Equipment; Repair And Maintenance Of Mining Machines; Installation, Maintenance And Repair Of Equipment And Apparatus For Use In Mining, Open Pit Mining And Quarrying; Installation, Maintenance And Repair Of Drilling And Mining Tools; Installation, Maintenance And Repair Of Drilling And Mining Apparatus; Earthmoving [Excavation] Services In The Field Of The Mining Industry; Providing Information Relating To The Rental Of Mining Machines And Apparatus; Rental Of Mining Machines And Apparatus And Provision Of Information Relating Thereto; Provision Of Information Relating To The Rental Of Mining Machines And Apparatus; Installation, Maintenance And Repair Of Equipment And Apparatus For Use In Mining; Rental Of Mining Machines And Apparatus And Providing Information Relating Thereto; Providing Information Relating To The Repair Or Maintenance Of Mining Machines And Apparatus; Repair Or Maintenance Of Mining Machines And Apparatus And Providing Information Relating Thereto; Repair And Maintenance Of Mining, Earth Moving, Road Making, Agricultural And Farming Equipment; Road Making, Agricultural And Farming Equipment; Installation, Maintenance And Repair Of Equipment And Apparatus For Use In Coal Mining; Repair And Maintenance Of Mining, Earth Moving, Road Building, Agricultural And Farming Equipment; Maintenance And Repair Of Mining, Earth Moving, Road Building, Agricultural And Farming Equipment; Repair Or Maintenance Of Mining Machines And Apparatus And Provision Of Information Relating Thereto; Provision Of Information Relating To The Repair Or Maintenance Of Mining Machines And Apparatus; Soil Blasting; Rock Blasting; Mine Blasting; Construction Engineering Services [Construction Supervision]; Underground Civil Engineering Services; Construction Of Steel Fabrications; Maintenance And Repair Of Industrial Machinery And Manufacturing Plants & Operation & Maintenance Of Plant & Machinery In Class 37.