AT&T
History
| Year | Detail |
|---|---|
| 1876 | Alexander Graham Bell invented the telephone. That was the foundation of the company that would become AT&T. |
| 1984 | Established Southwestern Bell Corp. |
| 1997 | Southwestern Bell Corp. acquired Pacific Telesis Group. |
| 1999 | Southwestern Bell Corp. acquired Ameritech Corp. |
| 2005 | Southwestern Bell Corp. acquired AT&T Corp. |
| 2013 | It bought Cricket Wireless LLC. |
| 2015 | It completed purchase of 2 Mexican wireless companies, lusacell and Nextel in Mexico. |
BCC Research Beacon 