Charter Communications is a holding company. Through its subsidiaries, Co. is a cable operator and a broadband communications company providing video, Internet and voice services. Co. also provides its mobile service to residential customers. In addition, Co. sells video and online advertising inventory to local, regional and national advertising customers and fiber-delivered communications and managed information technology solutions to enterprise customers. Co. also owns and operates regional sports networks and local sports, news and lifestyle channels. Co. owns and operates a two-way telecommunications network which passes households and small and medium businesses across the U.S.