Established brands continue to lead the drink mix category, although some varieties did experience contraction in the last year. The overall drink mix category grew 1.6 percent for more than $609.7 million in sales for the 52 weeks ending May 15 in U.S. supermarkets, drug stores, gas and convenience stores and mass merchandise outlets, excluding Wal-Mart, according to SymphonyIRI Group, Chicago. Fruit drink mixes made up a majority of the category with $590 million in sales, which represents a 1.6 percent growth.