Let's see, Viacom owns MTV, VH1, BET, Comedy Central, and much more.
GE owns NBC, Bravo, CNBC, MSNBC, and much more.
Disney owns ABC, Disney Channel, 80% of ESPN, Inc., and much more.
Whew! It's hard to keep track of it all. Thankfully, there's an easy way to find out Who Owns What provided by Columbia Journalism Review.
Thanks to the incomparable Tammy Bruce who provided this link on C-SPAN this morning.