Established in 1971, Starbucks Corporation is one of the leading roasters and retailers of specialty coffee in the world. Located in Phoenix, Ariz., it serves hot-/iced-espresso beverages as well as coffee- and non coffee-blended beverages. The corporation also offers baked pastries, sandwiches, salads, oatmeal, yogurt parfaits and fruit cups. Its brand portfolio features Starbucks Coffee, Tazo Tea, Seattle's Best Coffee and Torrefazione Italia Coffee. Additionally, Starbucks Corporation provides various home-espresso machines, coffee brewers/grinders, coffee mugs, accessories, packaged goods as well as music, books and gift items. Zagat's Survey of National Chain Restaurants has ranked it as No. 1 Best Coffee, in the Fast Food and Quick Refreshment categories as well as No. 1 Most Popular Quick Refreshment Chain.