i Superintendent A. W. Duffus

1920 - 1923

ii Superintendent H.M. Newson

1923 - 1928

iii Superintendent G. L. Jennings, O.B.E. 1928 -1932

iv Superintendent C.H. King

1932 - 1934

v Superintendent C.D. LaNauze, C.D.
1934 - 1935

vi Superintendent A.E.G.O. Reames
1935 - 1937

vii Acting Superintendent R.E. Mercer
1937 - 1938

viii Superintendent W. Munday
1938 - 1939

ix Assistant Commissioner V.A.M. Kemp
1939 - 1943

x Superintendent F. W. Schutz
1943 - 1944

xi Superintendent F.A. Blake
1944 - 1945

xii Superintendent A.G. Marsom
1945 - 1947

xiii Superintendent M.F.E. Anthony
1947 - 1951

xiv Assistant Commissioner J. Howe
1951 - 1953

xv Assistant Commissioner C.W. Harvison
1953

xvi Superintendent Geo. B. McClellan 1953 - 1956

xvii Superintendent J.F. Thrasher
1956 - 1959

xviii Superintendent F.A. Regan
1959 - 1960

xix Superintendent R.W. Wonnacott
1960 - 1964

xx Chief Superintendent W.J. Fitzsimmons
1964 - 1966

xxi Chief Superintendent J.G.C. Downey
1966 - 1970

xxii Assistant Commissioner M.J. Nadon
1970 - 1972

xxiii Assistant Commissioner E.R. Lysyk
1972