I found reference to this graphic by Zohar Manor-Abel on smashingmagazine.com.

What is the connection between 3 celebrities, 35 corporations, 40 subsidiaries and more than 300 brands? Global business interests make up a complex network of connections between corporations from around the world. Corporate Connection, intends to shed light on 'who owns what' in the lobal marketplace and on the intricate nature of the world wide "business" web.