Yeah, this is one of those infographics that have been circulating for quite a while. More interesting and in-depth are these stories where you learn about the interconnectedness of large corporations:

> "Three systems theorists at the Swiss Federal Institute of Technology in Zurich have taken a database listing 37 million companies and investors worldwide and analyzed all 43,060 transnational corporations and share ownerships linking them. They built a model of who owns what and what their revenues are and mapped the whole edifice of economic power."

The 147 Companies That Control Everything

http://www.forbes.com/sites/bruceupbin/2011/10/22/the-147-co...

Original source, but site is currently down: " Revealed – the capitalist network that runs the world" http://www.newscientist.com/article/mg21228354.500-revealed-...

Full research paper here (36 pages) http://arxiv.org/PS_cache/arxiv/pdf/1107/1107.5728v2.pdf