said by treich:ATT wireless already bought out:
cingular
Centennial Wireless
now T-Mobile.
It's the other way around for Cingular. Cingular was a joint venture between SBC and Bell South. They bought AT&T, then proceeded to use the name AT&T. For the most part, the people that were in charge of Cingular are now in charge of AT&T Wireless.