Brian Medeiros and his parents own and operate a 2,300-cow herd in the San Joaquin Valley.
Brad and Mark Crandall milk 260 cows on their fifth-generation farm.
Ron Gibson milks 1,400 cows at his Green Acres family dairy near Ogden, Utah.
Myers Dairy, in the Appalachian foothills, is home to 830 Holsteins and 700 replacements.
More on the National Dairy FARM Program