| Name | Started | Ended |
|---|---|---|
| Irving F. Patt | 1887 | 1905 |
| William J. Lees | 1905 | 1906 |
| Irving F. Patt | 1906 | 1908 |
| William J. Lees | 1908 | 1915 |
| Chistopher Corrigan | 1915 | 1915 |
| Clinton A. Wilbur | 1915 | 1922 |
| Robert Browning | 1922 | 1926 |
| Thomas Almond | 1926 | 1935 |
| Frank J. Callahan | 1935 | 1948 |
| Phileas Rocheleau (acting) | 1948 | 1949 |
| George F. Salisbury | 1949 | 1977 |
| Robert Coutu | 1977 | 1985 |
| Rene Coutu | 1985 | 2010 |
| Gerard Dion (acting) | 2010 | 2011 |
| John Garvey (acting) | 2011 | 2013 |
| Robert E. Bradley Jr. | 2013 | 2020 |
| Scott G. Mello | 2021 | Present |