Retail and wholesale of building products and building materials; customer service management; providing product explanation, product advice, and product information for wholesaling and/or retailing organisations being product merchandising services; customer information services, namely provision of customer information to facilitate sale/purchase of products; organisation and management of customer loyalty programmes; organisation and management of incentive and sales promotion programmes (frequent buyer programmes); organisation, operation and supervision of sales and promotional incentive schemes; compilation and maintenance of direct mailing lists; advisory services relating to all of the aforesaid services; promotional and advertising services on and in relation to building products and building materials, including product identification; Provision of online advertising on and in relation to building products and building materials; products information services, namely the provision of information relating to availability and price of products; marketing and promotional services on and in relation to building products and building materials; market research on and in relation to building products and building materials