| 1928 - 1930 | R M Balston | |
| 1930 - 1936 | A F Houlberg FSMAE | |
| 1936 - 1937 | B K Johnson FSMAE | |
| 1937 - 1964 | A F Houlberg FSMAE | |
| 1964 - 1966 | N J Butcher FSMAE | |
| 1966 - 1967 | H J Nicholls FSMAE | |
| 1967 - 1968 | R G Moulton FSMAE | |
| 1968 - 1969 | L G Barr FSMAE | |
| 1969 - 1971 | N F Couling FSMAE | |
| 1971 - 1972 | R Firth FSMAE | |
| 1972 - 1977 | J L Hartley FSMAE | |
| 1977 - 1979 | R A Favre FSMAE | |
| 1979 - 1981 | J E B Jones FSMAE | |
| 1981 - 1985 | D S Goodwin FSMAE | |
| 1985 - 1987 | R McCairn FSMAE | |
| 1987 - 2001 | K Watson FSMAE | |
| 2001 - 2013 | R Gowler FSMAE | |
| 2013 - 2017 | C Moynihan FSMAE | 2017 - | I Pallister FSMAE |
