Brewed by the G. Heileman Brewing Company. From the 1940s onwards, Heileman continued to support its two best-known brands, while pursuing an aggressive acquisition strategy. By 1979, Heileman marketed 34 brands, operated 9 breweries nationwide, and sold over 11 million barrels of beer! In Chicago, Heileman commanded a 41% share of market. Today, consumers across the upper Midwest continue to enjoy the quality and purity of Heileman's Special Export and Special Export Light.