Blue Diamond Growers is the world’s largest almond marketer and processor. It is responsible for developing the industry and opening up world markets more than 100 years ago when Spain and Italy were the major producers of almonds. While the U.S. market is the largest single market for almonds, more than 70 percent of them are exported to 95 countries worldwide. Almonds are California’s largest food export and they rank among the top ten food exports in America. California produces more than 80 percent of the world’s supply.