The Billy Dome is located in Alliance, Ohio. Owned and ran by Bill Hileman, the facility offers a variety of things. The Billy Dome is a dirt infield with seating on one side. It contains two drop down batting cages for hitting, pitching lanes, or individual lessons. Home of the Ohio Maddogs, the Billy Dome serves as a practice facility on the weekends as well as the weekdays, while also offering a facility for Bill Hileman and Kelli Metzger to give lessons.