American Public Television has been a source of programming for public television stations in the United States for more than 40 years. It develops and delivers program choices and services in partnership with America's public television community. With more than 10,000 hours of available programming, APT identifies innovative programs and creative distribution techniques for producers providing choices that enable them to customize their schedules. Each year, it distributes more than 300 series and specials in a variety of genres including documentary, cooking and lifestyle, travel, feature film packages, drama, music and entertainment. Its customers include Discovery Networks, National Geographic Worldwide, NHK in Japan, ITV in Great Britain, RAISAT in Italy and Alliance/Atlantis in Canada. American Public Television has its corporate office in Boston.