Advisory services in the fields of construction, repair, restoration, maintenance and installation; Building and construction services; Building construction consultancy; Building construction supervision services relating to shopping centers, industrial complexes, office buildings, residential buildings and other real estate developments; Construction and maintenance of building complexes, residential buildings, housing estates, commercial buildings, shopping centers, office buildings and parking structures; Construction and maintenance of apartments, studios, bungalows, villas and cottages; Construction and maintenance of buildings; Construction and renovation of buildings and other structures; Advisory services relating to the maintenance of buildings; Real estate development [building and construction services]; Construction services relating to the installation of heating, ventilating and air-conditioning systems; Installation of insulating materials in buildings, roofs and structures.