Business data for CyrusOne, Inc.: Google Finance; Yahoo! Finance; Reuters; SEC filings
Headquartered in Louisville, Kentucky, GE Appliances also operates manufacturing facilities in Decatur, Alabama and has wholly-owned subsidiaries in LaFayette, Georgia, and Selmer, Tennessee. In 2016, Haier Group acquired GE Appliances.
The information about who owns NBC, CBS, Time-warner, etc is all detailed and easily researched. However, I can't seem to find any indication of ownership of GE, public or private. It's almost as if GE is an entity in and of itself, a citizen of the world who can buy up property and appear in court.