Sinclair Broadcast Group, Inc. is a media company engaged in the provision of local sports and news. It operates through the following segments: Broadcast, Local Sports, and Others. The Broadcast segment consists of television stations which offer programming and operating services, and sales and other non-programming operating services. The Local Sports segment consists of regional sports networks, the Marquee Sports Network, Yankee Entertainment, and Sports Network LLC. The company was founded by Julian Sinclair Smith in 1986 and is headquartered in Hunt Valley, MD.