Townsquare Media LLC, a radio station operator, filed with U.S. regulators today in order to raise up to $143 million in a IPO. The company listed Merrill Lynch, Pierce, Fenner & Smith, Jefferies and RBC Capital Markets as the lead underwriters for the IPO. Townsquare operated radio stations, and organizes live events in small and mid sized markets across America. The company also offer digital advertising and marketing services, aside from the 47 studio and 326 towers it runs.