Owned for more than 50 years, Durant Vineyards and Olive Mill employs 54 workers, who help make 10,000 gallons of olive oil a year and 60,000 bottles of wine this year alone -- all made in America.

The mill we visited in Monopoli, south Italy, produces around 800 litres per day of extra virgin olive oil, crushing about 5,000 kg of olives. Harvested olives enter the mill on a conveyor belt ...