The two crossword solutions for the term 'Big Name in California Wine' are Masson (6 letters) and Gallo (5 letters). Masson is a French winery that was founded in 1732 and is now owned by the LVMH Group. It is known for its Burgundy wines, which are made from Pinot Noir and Chardonnay grapes. Gallo is an American winery that was founded in 1933 by Ernest and Julio Gallo. It is the largest winery in the United States and produces a variety of wines, including Cabernet Sauvignon, Chardonnay, and Merlot. Both Masson and Gallo are well-known names in the California wine industry.