Promoting the goods and services of others by means of distributing advertising on the Internet; Promoting the goods and services of others by means of operating an on-line shopping mall with links to the retail web sites of others; Providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; Providing information pertaining to procurement, buying, selling and tendering information and opportunities relating to goods, services, and construction via computer, computer networks, telephone, the internet or electronic mail; The bringing together, for the benefit of others, of a variety of goods and services, enabling customers to conveniently view and purchase those goods and services from an Internet web site particularly specializing in the marketing of the sale of goods and services of others