Electrolux AB (commonly known as Electrolux, Swedish: [ɛlɛkˈtrɔlɵks]) is a Swedish multinational home appliance manufacturer, headquartered in Stockholm. It is consistently ranked the world's second largest appliance maker by units sold (after Whirlpool). Electrolux products sell under a variety of brand names (including its own), and are primarily major appliances and vacuum cleaners intended for consumer use. The company also makes appliances for professional use. Electrolux has a primary listing on the Stockholm Stock Exchange and is a constituent of the OMX Stockholm 30 index.