Click to watch video cnnLoadPLayer(‘world/2012/10/23/pleitgen-germany-microbrews.cnn’, ‘cnn-video-1355535203-1′, ’416x374_start_embed_onsite’, {}, ” ); Editor's note: Steve Hindy is co-founder, president and chairman of The Brooklyn Brewery. Brooklyn Brewery started in 1988 and is among America's top 15 craft breweries. (CNN) – The proposed purchase of Mexico's Modelo beer brands by the world's largest brewing conglomerate, Anheuser-Busch-InBev, is causing deep concern among America's craft brewers. Anheuser-Busch already controls about 47% of the U.S. beer market. Adding Modelo's Corona beer and other brands would give it another 6%. MillerCoors, the other big player in the United States, controls about 30%. If the Modelo deal goes through, a duopoly would control more than 80% of the U.S. beer market. The concentration of market share in two global companies means they have tremendous influence over distributors and retailers. This gives an advantage to big brewer beer brands over small brands created by America's independent craft brewers. Ultimately, with limited choices, the beer consumer loses. Read the full story on CNN Opinion: "Don't let big brewers win beer wars"

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