Institutions

EMI

• Was a multinational music recording and publishing company as well as some electronic devices and equipment. 
• Headquarters are in London
• At the time of its break-up in 2012 it was the fourth-largest business group and family of record labels  in the recording industries and was one of the big four record companies
• Some of its record labels include EMI records, Parlophone and Capital records
• Their major publishing are is EMI Music Publishing. They are based in London but have offices across the globe.
• EMI publishing arm was sold to Universal Music group in 2011 and its publishing business  was sold to Sony/ATV

Warner Music Group

• An American  Major global record company based in NYC
• The largest American owned conglomerate worldwide and is one of the big three record companies.
• Formerly owned by Time Warner, the world's largest media conglomerate, the company was publicly traded on the New York stock exchange until May 2001
• Warner formed a partnership with MTV Networks in June 2010 that allows MTVN to exclusively sell ads on WMG's premium content.

Universal Music Group

•  UMG is an American based but French owned multi music owned corporation 
• It currently operates as a subsidiary of Paris-based media conglomerate Vivendi.
• UMG also owns Universal Music Publishing Group, which is the second largest music publishing company in the world.