In terms of revenue globally, the top five are: AT&T, Comcast, Disney, ViacomCBS, and Fox. The are mainstream media oligopolies in most countries these days, but the beauty of the internet is that independent journalists and voices who have been shut-out and banned from the corporate-establishment fold like Ralph Nader and Chris Hedges can still find tiny soap-boxes to speak truth to power since almost no one else is doing it. Then there's people like Jimmy Dore who will never get taken seriously by the establishment because he doesn't have the wealth, pedigree, or entitled rich-dbag attitude to be let into their club.

https://en.wikipedia.org/wiki/Concentration_of_media_ownersh...