Asa Mahan, 1859-1864 and 1867-1871.
John McEldowney, 1864-1866.
Adam H. Lowrie, 1871-1873.
George B. McElroy, 1873-1880.
David S. Stephens, 1882-1888.
Joseph F. McCulloch, 1888-1893.
Dennison C. Thomas, 1893-1898.
David Jones, 1899-1902.
Thomas H. Lewis, 1902-1904.
Brayman W. Anthony, 1904-1915.
Aubrey F. Hess, 1915-1917.
Harlan L. Feeman, 1917-1940.
Samuel J. Harrison, 1940-1954.
John H. Dawson, 1955-1978.
Donald S. Stanton, 1978-1988.
Stanley P. Caine, 1989-2005.
Jeffrey R. Docking, 2005-present.