TELECOM
| Date | Clue |
|---|---|
| 2022-10-23 | Verizon, for one |
| 2018-10-25 | Verizon, e.g. |
| 2014-11-16 | Sprint, e.g. |
| 2013-07-14 | Sprint, e.g. |
| 2013-04-16 | Verizon or Sprint |
| 2012-09-02 | Sprint's business |
| 2011-05-07 | Fiber optics field |
| 2006-01-07 | Modern company category |
| 2005-09-29 | Verizon, for one |
| 2003-11-20 | Modern industry classification |
| 1995-09-03 | Radio transmission, briefly |