| David Shaver | 1898-1906 |
C.H. Berry | 1906-1910 |
E.W. Tozier | 1910-1914 |
Thomas Yohe | 1914-1918 |
C.A. Goodykoontz | 1918-1922 |
C.W. Culhum | 1922-1930 |
John F. Meier | 1930-1934 |
Ben L. Yohe | 1934-1938 |
John F. Meier | 1938-1942 |
Charles Steinhaus | 1942-1946 |
H.T. Schroeder | 1946-1954 |
Fred White Jr. | 1954-1958 |
B. Lewick | 1958-1962 |
Fred White Jr. | 1962-1970 |
Oliver Bolte | 1970-1978 |
Robert J. Kissick | 1978-1986 |
Raymond Shaffstall | 1986-1990 |
Roland Bolte | 1990-1994 |
John C. Kobbeman | 1994- |
| David Swank | 1898-1900 |
H.W. Herren | 1900-1904 |
H. Long | 1904-1908 |
W.W. Herren | 1908-1912 |
E.Hunter | 1912-1920 |
L.E. English | 1920-1924 |
A. Saunders | 1924-1928 |
W.T. Watson | 1928-1932 |
Edwin Marshall | 1932-1940 |
Delmont Jones | 1940-1944 |
H. Good | 1944-1952 |
J.W. Wallace | 1952-1964 |
Theodore M. Metz | 1964-1968 |
Wilson Marshall | 1968-1976 |
Dwight Sperry | 1976-1980 |
Robert O�Neill | 1980-1984 |
Cyrle McBride | 1984-1988 |
Alfred W. Wallace | 1988-1996 |
Robert O�Neill | 1996-1999 |
Douglas Gomel | 1999- |
| William Mueller | 1898-1908 |
H. Taylor | 1908-1910 |
W.W. Dehler | 1910-1912* |
W. Dehler | 1912-1916 |
Edward Pugh | 1916-1928 |
L. Brown | 1928-1932 |
Lou Beverly | 1932-1940 |
Robert Guggisberg | 1940-1946 |
Albert Hillmer | 1946-1948 * |
Willard Beverly | 1948-1956 |
Lawrence Mettlen | 1956-1976 |
Howard Block | 1976-1980 |
Delmar Gier | 1980-1984 |
Howard Block | 1984-1988 |
Charlene A. Jones | 1988-1992 |
Allan D. Serrien | 1992-1996 |
Titus P. Falcon Sr. | 1996- |