On-line business directories featuring vendors and suppliers of oil and gas well equipment and engineering firms and contractors, all serving companies in the oil and gas industry; Operating on-line marketplaces featuring products and services in the oil and gas industry; Operating on-line marketplaces featuring a website enabling the posting of bid requests for products and services and the receipt and submission of bids to bid requests by vendors, all in connection with projects in the oil and gas industry; Operating on-line marketplaces for sellers and buyers of goods and/or services; Providing sales leads for others; Providing sales leads for the oil and gas industry; 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; Provision of an on-line marketplace for buyers and sellers of products and services in the oil and gas industry; Provision of an online marketplace for buyers and sellers of goods and services