Watertown-based Fisher Barton, a manufacturer of blades, metal coatings, bronze gear components and other industrial parts, has begun its transition into an employee stock ownership program. Included in its newly established ESOP are 525 eligible employees across its United States locations, including facilities in Watertown, Waukesha, Sun Prairie and Loves Park, Illinois. The company has roughly 425 employees in Wisconsin and 100 in Illinois.