| Butler, Fred | 1891 |
| Cooke, William | 1811?–1844 |
| Gunn, M. (& Sons) | 1821–1873 |
| Hollister, Frederick | before 1803?–1804 |
| Pohlmann & Co. | 1883–at least 1911 |
| Southwell, Marcus | 1841–after 1850 |
| Teape, Thomas | 1823–1827 |
| White, Thomas | 1824–1846 |
Tuner: piano