List of Clock Manufacturing Companies in UK:
| Comitti of London |
| G. & F. Cope |
| Honeywell Gent |
| Gillett & Johnston |
| James Ritchie & Son |
| J. B. Joyce & Co |
| John Player clockmakers |
| Newgate (company) |
| Smith of Derby Group |
| Thomas Mercer Chronometers |
| Thwaites & Reed |
| Westclox Scotland |
| William Batty (mayor) |
| Joseph Windmills |