U.S. - M&M's

Country: U.S.
Best-selling candy: M&M's
Who makes it: Mars Inc.
Annual sales: $1.8 billion**
What is it: Chocolate candy

Invented in 1941 by Forrest Mars and R. Bruce Murrie, the duo who gave the candy its name, M&M's top the list as the No. 1 candy brand sold in the U.S. with $1.8 billion in sales. Virginia-based Mars Inc. is now the world's leading confectioner following its 2008 acquisition of Wm. Wrigley Jr. Co., according to Candy Industry magazine, and it also produces the Snickers and Dove brands in addition to Pedigree and Whiskas pet food.

* 2007 sales for this country, in U.S. dollars