Media institutions are businesses that produce and regulate media products like magazines and radio channels. Examples include Bauer, IPC, and Future PLC - three large magazine publishers. Bauer owns over 80 magazines across genres like Closer, Heat, and Kerrang!. IPC Media owns magazines such as Marie Claire, Horse and Hound, and NME. Future PLC publishes magazines on various topics including games, technology, music, and active lifestyles in titles like Playstation: Official Magazine, Digital Camera, and Metal Hammer.