15 Biggest Wine Companies in the US

4. Constellation Brands, Inc. (NYSE:STZ)

Annual Case Sales in the US: 18 million (WBM estimate)

Constellation Brands is involved in the production, import, marketing, and sale of beer, wine, and spirits across the United States, Canada, Mexico, New Zealand, and Italy. In May 2024, the company announced the purchase of California winery, Sea Smoke, to ‘further enhance the company’s higher-end wine focus and portfolio growth strategy with one of the preeminent Pinot Noir producers in the world’.