Firestone Building Products Co., Indianapolis, will expand its Prescott, Ark., manufacturing facility, which will result in 100 new jobs, along with 418 jobs retained. The company will invest $20 million in the expansion. In addition to the expansion celebration, which was held at Prescott Elementary School, Firestone Building Products officials also joined local and state leaders at the event to celebrate the opening of the Firestone Science Center at the school. Firestone donated $100,000 toward the development of the center, a state-of-the-art facility that will engage and educate elementary school students in the fields of biology, physics, chemistry and other areas of scientific research.