Welcome to Wineries by State, a searchable directory of winery links categorized by state and region. Wine is currently produced in each of the fifty states of USA. California leads the way in production volume followed by Washington State, Oregon and then New York. The United States is one of the largest wine producing nations in the world. Currently fourth after France, Italy, and Spain. North America is home to several native species of vines and grapes, including Vitis labrusca, Vitis riparia, Vitis vulpina, Vitis amurensis and Vitis rotundifolia, but it was the introduction of European Vitis vinifera vines by European settlers that led to the growth of the modern day wine making industry. Wineries, Winery, Vineyard, Vineyards, Wines, Locator, Directory for the United States of America.