Owner Anesti originally started Billy's Famous Pizza 27 years ago in the Lakes Region of New Hampshire and has served the Merrimack community since 1998 in the Skyline Mall. Billy's Pizza offer a variety of fresh Greek dishes and they are best known for its Greek and grilled chicken salad. It also has specialty and build your own pizzas and calzones, hot and cold sandwiches, gyros, dinner plates, pasta dishes, wings, spinach pie and more.