Advertising services, namely, providing information as to the availability of onshore and offshore oil and gas drilling industry services and products for rent or purchase; Advertising, marketing and promotion services; On-line business networking services; Operating on-line marketplaces for sellers of goods and/or services; Providing a web site that enables users to post items for sale through on-line classified advertisements; Providing a web site whereby buyers of goods or services locate and receive quotations from multiple competitive sources and sellers of goods or services identify and bid on multiple new sales opportunities; Providing a web site which features advertisements for the goods and services of others on a global computer network; Provision of space on websites for advertising goods and services; 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