The national alcohol industry is contracting, but Sugarfield Spirits in Gonzales is still finding ways to grow. Founder Thomas Soltau tells Ascension Business Report that the broader spirits market has entered a difficult stretch, with many distilleries across the country struggling to stay afloat. “I think something like 25% of distilleries have closed in the past 18 months,” Soltau says. “Even big places like Jim Beam are furloughing equipment…