Here's a "family tree" that includes AT&T and the other telecoms. It's from 2008, so it'll have to be updated with the latest mergers: http://www.neatorama.co

Here's a "family tree" that includes AT&T and the other telecoms. It's from 2008, so it'll have to be updated with the latest mergers: http://www.neatorama.com/family-tree-of-telecommunication/ http://www.neatorama.com/family-tree-of-telecommunication/