January 3, 2014Top Production: Oregon's largest facilities reportBy Karl KloosterThere were three categories of winegrapes harvest during 2013. Ranked below by quantity of production are Oregon’s 20 largest winery facilities and brands. In other words, some of the largest wineries are not necessarily home to the biggest brands. At 2.02 million cases, the estimated total production of these 20 wineries represents roughly 65 percent of the state’s total production for 2013, or 3.3 million cases. Looking at the overall harvest picture, the major changes among Oregon’s largest wineries and brands are noted above.