This document discusses the history of the wine industry in the United States, focusing on Gallo wines. It describes how Gallo pioneered a vertically integrated supply chain model, controlling the production process through to marketing. It also discusses how mergers and acquisitions enabled horizontal integration, allowing wineries to expand domestic production and source grapes internationally. Finally, it provides an overview of the three-tier system of manufacturer, distributor, and retailer in the US wine industry and some recent innovations and ongoing challenges around consolidation, direct-to-consumer sales, and unpredictable supply and demand.