Despite reaching first place in the Beverage sector, Diageo slipped from the top of the overall BMAC rankings to twelfth this year.
SAB Miller took second place in the ranking, followed by Coca-Cola Enterprises in third.
The Beverage sector was ninth in the top 10 BMAC sector totals.
The rest of the Beverage sector top ten: InBev (4), Britvic (5), Molson Coors Brewing (6), Barr (7), Carlsberg (8), C&C Group (9), Stock Spirits (10).