All projects and events for ring
| # | Completed | Tower | Description | Contractor |
|---|---|---|---|---|
| 1 | 2010 | Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI) | John Taylor & Co | |
| 2 | 1929 | Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI) | Ring installed | Gillett & Johnston |