Interesting. Anyways, here's a draft for the media industry's companies for Timeline-Deva 2.0:
The Walt Disney Company - Currently consists of the Walt Disney Pictures and RKO brands, the DisneyParks, and FX Networks (50%)*.
Paramount Communications - Notably owns the Paramount Pictures/Orion/Miramax film labels, CBS, and USA Networks (50%)
Canal Universal - Notably owns Universal Pictures, StudioCanal, USA Networks (50%), and the Universal Studios chain of resorts.
NBC - Notably owns NBC, Telemundo, kids' channel Qubo, along with Dreamworks SKG.
WarnerMedia - Notably owns Warner Bros. Pictures, New Line Cinema, and the group of HBO channels.
News Corp - Notably owns Fox Entertainment Group (plus the other 50% of FX Networks), and Sky plc.
Turner - Consists of MGM, Castle Rock, United Artists, and a bunch of cable channels.
*FX Networks is Disney and Fox's answer to USA Networks.