Universal Studios, Inc., doing business as Universal Studios is an American media and entertainment conglomerate and is owned by NBCUniversal, a division of Comcast.
The headquarters at 10 Universal City Plaza in Universal City, California
NBCUniversal Media, LLC is an American multinational mass media and entertainment conglomerate that is a subsidiary of Comcast and is headquartered at 30 Rockefeller Plaza in Midtown Manhattan in New York City.
NBCUniversal's headquarters at the Comcast Building (30 Rockefeller Plaza) in New York City
NBC Universal Chicago headquarters (NBC Tower)
10 Universal City Plaza (in Los Angeles County) in 2015 after Comcast acquired GE's remaining stake in NBCUniversal. Notice the wording on the top of the building changed. The Comcast headquarters can be seen at Universal Studios Hollywood.