Diageo is the first name on the guest list for many a party. The UK-based company is a global leader in spirits and liqueurs, boasting a portfolio of world-renowned brands such as Smirnoff vodka, Captain Morgan rum, Johnnie Walker whisky, Baileys Irish cream, and Tanqueray gin. It also makes beer, including Guinness, and wine. With more than 200 global, local, and luxury brands, it owns some two dozen of the world's top 100 premium spirits labels. Diageo rings up sales in virtually every country in the world and has 150-plus production sites globally. North America is its largest market, accounting for more than a third of total sales.