Comcast Holdings Corp. manages and operates broadband cable networks in the United States. The company, over its cable networks, primarily offers various services, including video, Internet, and phone. Its video services include cable network, pay-per-view programming, digital cable, video-on-demand, high definition television, and digital video recorder services. The company's Internet services consist of multiple email addresses, online storage, and various value-added features. Comcast Holdings' phone services comprise traditional circuit-switched local phone service, an array of associated calling features and third-party long-distance services. The company also provides installation services and engages in third-party electronic retailing, and Internet connectivity and networked business applications. Comcast Holdings Corp. was formerly known as Comcast Corporation and changed its name to Comcast Holdings Corp. in November, 2002. The company was incorporated in 1969 and is based in Philadelphia, Pennsylvania. Comcast Holdings Corp. operates as a subsidiary of Comcast Corporation.