Deerfield Media, Inc. is a broadcasting company and a shell corporation owned and operated by Stephen P. Mumblow. It was established on December 1, 2012 by the acquisition of several television stations connected to the Sinclair Broadcast Group. Most of its stations are part of duopolies with another Sinclair-owned station, and are operated under local marketing agreements or similar by Sinclair. In April 2018, Deerfield Media moved its headquarters from New York City to Park City, Utah.