Dec. 27, 2023, marked the 50th anniversary of Bronco Wine Co., making it a rare group of wine businesses that has been continuously family-owned for 50 years. To mark the milestone, the company said it will be honoring its past while looking toward the next 50 years with an increased commitment to sustainable and organic farming, among its objectives. While the company has farmed its vineyards sustainably for years, in August of 2023, Bronco Wine Co. received certification from the Certified California Sustainable Winegrowing program. All three of its wineries (Ceres, Escalon and Madera) and its bottling plant (Napa) hold California Certified Organic Farmers Organic certifications. The company also holds Zero Waste certification at all four of its facilities; has reduced the consumption of natural resources, minimizing materials in packaging; is reducing CO2 emissions by using railcars to reduce the number of trucks on the road; and is currently planning to use thousands of acres in the San Joaquin Valley to produce solar energy to support the California energy grid.