CANTON, Mass., Feb. 16, 2011—In the increasingly competitive and growing coffee market, Dunkin’ Donuts continues to stand apart for the brand’s commitment to its guests. For the fifth straight year, Dunkin’ Donuts, America’s favorite everyday, all-day stop for coffee and baked goods, has been recognized by the Brand Keys Customer Loyalty Engagement Index as number one in customer loyalty in the coffee category.
The 14th annual national survey by Brand Keys identifies brands that are best able to....