On-line auctioneering; Auction management services provided to others over an on-line web site accessed through a global computer network; On-line auction services for equipment owners; On-line auction services featuring construction equipment; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; Providing on-line auction services; Provision of an on-line marketplace for buyers and sellers of goods and services; Operating on-line marketplaces featuring construction equipment; Operating on-line marketplaces for sellers and buyers of goods and/or services; Providing a website featuring an online marketplace for exchanging goods and services with other users; Provision of an on-line marketplace for buyers and sellers of construction equipment