Compilation, systemization and collection of data in a database; analysis and evaluation of data in a central file; establishment of commercial networks of partners and suppliers; advice for conducting commercial transactions; consultancy in relation to the acquisition of products and services; providing advice and services in relation to the supply of products for third parties; provision of sales areas online for sellers and buyers of goods and services; purchasing of goods and services for other businesses; processing services for orders and delivery and invoice processing; computerized inventory monitoring services; computerized online ordering services; computerized file management services; wholesale and retail sale; retail sale software, in particular via global electronic networks (the Internet); retail sale of all types of products, in particular concrete; retail services or wholesale services in the concrete sector; import and export agency services; e-commerce services, namely, providing information on products via telecommunication networks for advertising and sales purposes; statistical analysis and documentation services; commercial management in the field of transport and delivery services; supply chain management services; provision of online information on the selection of goods via a global computer network; outsourced administrative services for businesses; promotion of the goods and services of others; winning contracts for the purchase and sale of goods and/or services on behalf of third parties; collection of goods on behalf of third parties, except for the transport thereof, enabling customers to conveniently view and purchase them