HP EliteBook is a line of business-oriented high-end notebooks and mobile workstations made by Hewlett-Packard (HP Inc.) The EliteBook series, which fits above the lower-end ProBook series, was introduced in August 2008 as a replacement of the HP Compaq high end line of notebooks. The EliteBook brand included mobile workstations until September 2013, when they were rebranded as HP ZBook. The EliteBook mainly competes against computer lineups such as Acer's TravelMate, Dell's Latitude and Precision, Lenovo's ThinkPad and Toshiba's Portégé and Tecra..