1907 - 1913 Laier, Albin
1913 - 1921 Wippler, August
1921 - 1922 Sauer, Albert
1922 - 1954 Eiermann, Paul
1954 - 1958 Diebold, Bernhard
1958 - 1961 Stief, Reinhold
1961 - 1977 Uthardt, Rudi
1977 - 2004 Siegel, Franz-Josef
2005 - 2006 Debo, Hans-Erich
2006 - Ewald, Frank