They each have local broadcast owned and operated stations which serve as the flagship stations of their networks .
New York City is the home of the three traditional major American television networks , ABC , CBS and NBC , as well as Spanish - language network Univision .
CBS each have local broadcast owned and operated stations which serve as the flagship stations of their networks .
New York City is the home of the three traditional major American television networks , ABC , CBS and NBC , as well as Spanish - language network Univision .