Court Battle Brewing Between Pabst and MillerCoors For the past 20 years, MillerCoors has been brewing Pabst's beers. These include Pabst Blue Ribbon, Old Milwaukee, Lone Star and Natty Boh. The two companies signed an agreement in 1999 that is set to expire in 2020, with two options to renew. Without an agreement renewal, Pabst would likely have to stop production of its famous beer brands. MillerCoors is stating it has less space for brewing and is not obligated to renew the deal. Pabst is arguing the company is just trying to drive the competition out of business. Pabst is asking MillerCoors to work "in good faith" to help find a solution. The nearly $500 billion trial will be heard by a jury and is expected to last until Nov. 30.