Adelphia Communications Corporation was an American cable television company with headquarters in Coudersport, Pennsylvania. It was founded in 1952 by brothers Gus and John Rigas after purchasing a cable television franchise for $300. Combining various cable properties, the company became one of the most successful in the United States and reached over 2 million subscribers in 1998. Apart from cable television, later Adelphia started providing high-speed internet, phone services and voice messaging for businesses.