WBBM-TV, virtual channel 2 (VHF digital channel 12), is a CBS owned-and-operated television station located in Chicago, Illinois, United States. The station is owned by the CBS Television Stations subsidiary of CBS Corporation. WBBM-TV maintains studio and office facilities located on West Washington Street as part of the development at Block 37 in the Loop district, and its transmitter is located atop the Willis Tower on South Wacker Drive.