Advisory services relating to building, building construction materials, building refurbishment and construction; advisory services relating to the construction of civil engineering structures; advisory services relating to the construction of mechanical engineering structures; beneath ground construction work; building (construction) supervision; building and construction of real estate subdivisions and developments; building and construction services; building cleaning; building construction consultancy; building construction supervision; building demolition; building insulating; building maintenance; building of apartment buildings; building of commercial properties; building of houses; building of offices; building project management; building repairs; building refurbishment services; charitable services namely construction; landscaping (construction); provision of information relating to construction