Sinclair Broadcast Group, Inc., a television broadcasting company, owns or provides programming, operating, or sales services to television stations in the United States. It broadcasts free over-the-air programming, such as network provided programs, news produced locally, local sporting events, programming from program service arrangements, syndicated entertainment programs, and other locally produced programs. As of March 1, 2013, the company owned, provided programming and operating services pursuant to local marketing agreements, or provided sales services pursuant to outsourcing agreements to 86 television stations in 46 markets. It also offers sign design and fabrication services; security alarm monitoring services; and engages in real estate activities, such as investing in developmental land, and operating commercial real estate properties and apartments, as well as invests in private equity and structured debt/mezzanine financing investment funds. The company was founded in 1952 and is headquartered in Hunt Valley, Maryland.