1. Giumarra Vineyard, CA - 10,000 acres
2. Anthony Vineyard - 5,400 acres
3. Sun Pacific Farming, CA -3,100 acres
4. Gerawan Farming, CA -2,696 acres
Among the top 24 grape producers (table grapes & wine grapes), only 4 are producing table grapes. The top grape producer (wine grape producer) owns 4 times more acres than the Giumarra vineyard (top table grape producer).
There are about 500 grape growers under producers(brands producing grapes), very fragmented.