(alphabetical order)
Coffee Fest
CoffeeFest.com
A long-running independent trade show with competitions in three categories, hosted in three major cities every year since 1992. This is the only competition listed here with Espresso as its own category.
Coffee Masters
Allegra Events and DunneFrankowski organize 3 major festivals; LondonCoffeeFestival.com, NewYorkCoffeeFestival.com, and AmsterdamCoffeeFestival.com. 2015 was the inaugural year of the competition, held in London. (no espresso competition)
Cup of Excellence
AllianceForCoffeeExcellence.org
Non-profit, juried coffee competitions since 1999. Holds competitions in regions throughout the world and hosts online auctions for the winning farms. (no espresso competition)
United States Coffee Championships
USCoffeeChampionships.org
Organized by the Specialty Coffee Association of America and the Barista Guild of America. They also organize one of the largest expos, the Global Specialty Coffee Expo. (no espresso competition)
World Coffee Championships
WorldCoffeeEvents.org
Organized by the Specialty Coffee Association of America and the Specialty Coffee Association of Europe. (no espresso competition)