Wine giant Gallo closing Napa Valley facility, laying off dozens of workers

California wine giant Gallo is set to close one of its Bay Area production facilities and will lay off workers at four other wineries and tasting rooms in Napa and Sonoma counties, the company announced. California wine giant Gallo is set to close one of its Bay Area production facilities and will lay off workers at four other wineries and tasting rooms in Napa and Sonoma counties, the company announced.