Lodi's oldest operating winery, founded in 1934 as a winemaking cooperative of local growers. At the turn of the century, the historic landmark was transformed into a modern winery that is family owned and operated. Winegrower Rudy Maggio and his partners, Don and Rocky Reynolds, bought the Oak Ridge Winery in 2001. The Senior Winemaker is Chue Her.
Labels include 3 Girls, Gnarled Vine, Into Zin, Maggio, Moss Roxx, Napa Red, Oak Ridge, OZV, Robert Reynolds, Route 88, Silk Oak and White Tail. A Pinot Noir from Lodi grapes is produced under the 3 Girls label.