Sinclair Broadcast Group, Inc. operates as a media company in the United States. The company broadcasts free over-the-air programming, such as network provided programs, locally-produced news, local sporting events, programming from program service arrangements, syndicated entertainment programs, internally originated programming, and programming to television viewing audiences in the communities through its local television stations. It also owns, provide programming and operating services, offer sales services and other non-programming operating services through broadcasting stations in various markets; and own digital media products. In addition, the company owns and operates Tennis Channel, a cable network, which includes coverage of various tennis' top tournaments and original professional sports and tennis lifestyle shows; the Tennis Channel International streaming service; T2 FAST, a 24-hours a day free ad-supported streaming television channel; and Tennis.com, an online tennis platform. Further, it owns and operates various networks carried on distribution platforms, including Comet, a science fiction network; CHARGE!, an adventure and action-based network; TBD, a multiscreen TV network; Stadium, a professional sports highlights and college games network; and NewsON, an ad-supported app that provides access to live or on-demand local news broadcasts, including non-Sinclair affiliate partners, as well as owns and operates regional sports network; broadcasts professional sports games; and produce content. Additionally, the company engages in the owning, managing, and operating technical and software services companies; research and development of broadcast technology; and other media and non-media related businesses and assets, including real estate, venture capital, private equity, and direct investments. Sinclair Broadcast Group, Inc. was founded in 1986 and is headquartered in Hunt Valley, Maryland.