Unilever is a British-Dutch transnational consumer goods company headquartered in Rotterdam, Netherlands. Its products include food and beverages (about 40 percent of its revenue), cleaning agents and personal care products. It is the world's largest consumer goods company measured by 2012 revenue. It is Europe’s seventh most valuable company. Unilever is one of the oldest multinational companies; its products are available in around 190 countries. Unilever owns over 400 brands, with a turnover in 2016 of 52.7 billion euros, and in 2017 of 53.7 billion euros and thirteen brands with sales of over one billion euros: Axe/Lynx, Dove, Omo, Heartbrand ice creams, Hellmann's, Knorr, Lipton, Lux, Magnum, Rexona/Degree, Sunsilk and Surf. It is a dual-listed company consisting of Unilever plc, based in London and Unilever N.V., based in Rotterdam but the company made their global headquarters in Rotterdam. The two companies operate as a single business, with a common board of directors. Unilever is organised into four main divisions – Foods, Refreshment (beverages and ice cream), Home Care, and Personal Care. It has research and development facilities in the United Kingdom (two), the Netherlands, China, India and the United States. Unilever was founded in 1930 by the merger of the Dutch margarine producer Margarine Unie and the British soapmaker Lever Brothers. During the second half of the 20th century the company increasingly diversified from being a maker of products made of oils and fats, and expanded its operations worldwide. It has made numerous corporate acquisitions, including Lipton (1971), Brooke Bond (1984), Chesebrough-Ponds (1987), Best Foods (2000), Ben & Jerry's (2000), Alberto-Culver (2010), Dollar Shave Club (2016) and Pukka Herbs (2017). Unilever divested its speciality chemicals businesses to ICI in 1997. In 2015, under leadership of Paul Polman, the company started gradually shifted its focus towards health and beauty brands and away from food brands showing slow growth. Unilever plc has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. Unilever N.V. has a primary listing on Euronext Amsterdam and is a constituent of the AEX index. The company is also a lux of the Euro Stoxx 50 stock market index.