Sinclair Broadcast Group is an American telecommunications company that is owned by the family of company founder Julian Sinclair Smith. Headquartered in Hunt Valley, Maryland, the company is the largest television station operator in the United States, owning or operating a total of 154 stations across the country (165 after all currently proposed sales are approved) in nearly 80 markets (covering 30% of American households), many of which are located in the South and Midwest. Sinclair also owns or operates four radio stations, all located in the Pacific Northwest. Among other non-broadcast properties, Sinclair also owns the Ring of Honor (ROH) professional wrestling promotion.