COMMISSIONER HISTORY
| NAME | YEARS SERVED |
| Jeff Fix | 2018- |
| David L. Levacy | 2013- |
| Steven A. Davis | 2012- |
| Mike Kiger | 2003-2018 |
| Jon D. Myers | 2001-2011 |
| Allan Reid | 1995-2002 |
| Judith K. Shupe | 1993-2012 |
| Lisa M. Kessler | 1993-2000 |
| Ron Shoemaker | 1987-1994 |
| Steven Goodyear | 1987-1994 |
| Lori Marinacci | 1985-1993 |
| Hank Leckrone | 1983-1986 |
| Ronger W. Engle | 1981-1984 |
| Donna K. Crist | 1979-1980 |
| Ralph L. Graybill | 1977-1980 |
| Charles H. Deeds | 1977-1982 |
| James W. Mills | 1975-1978 |
| Donald S. Kauffman | 1969-1976 |
| Richard Brandt | 1969-1976, and 1981-1986 |
| Ollie S. Smith | 1963-1971 |
| Jesse D. Huffman | 1961-1969 |
| Walter G. Mast | 1955-1962 |
| Donald B. Leith | 1958-1960 |
| P.B. Markwood | 1953-1967 |
| Henry Fausnaugh | 1949-1952 |
| Ollie D. Smith | 1945-1954 |
| Geo. Brandt | 1948-1948, and 1951-1958 |
| Fred Holland | 1943-1945 |
| Arthur O. Young | 1941-1948 |
| Henry Darfus | 1939-1942 |
| Thomas S. Landerfelt | 1937-1943, and 1949-1950 |
| Thomas B. Cox | 1937-1944 |
| Hocking Hunter | 1935-1938 |
| Ira Spitler | 1936 |
| Dan Reidnour | 1933-1935 |
| John White | 1933-1936 |
| Thomas Roller | 1931-1934 |
| Darl Crist | 1929 |
| W.H. Keller | 1929-1932 |
| W.H. Kober | 1927-1930 |
| Grant Griffith | 1925-1927 |
| Lewis P. Huffman | 1923-1926 |
| John H. Young | 1921-1924, and 1929-1932 |
| Absalon Hartmen | 1921-1928 |
| William White | 1919-1922 |
| Ben Friesner | 1917-1920 |
| E.B. McCullough | 1927-1920 |
| Fred Hoffer | 1916-1919 |
| G. A. Seiber | 1914-1917 |
| H.C. Detwiler | 1914-1917 |
| W.H. Greager | 1911-1915 |
| Alonzo Parrish | 1909-1913 |
| James Duncan | 1909-1913 |
| Reuben Hine | 1906-1911 |
| Jacob Schopp | 1905-1909 |
| Mike King | 1902-1908 |
| Jacob Simon | 1900-1906 |
| Nicholis Stukey | 1898-1904 |
| Theodore Shellenberger | 1897-1902 |
| A.J. Arnold | 1894-1899 |
| Isaiah Vorys | 1892-1897 |
| John Hizey | 1888-1893 |
| Henry W. Gehrett | 1888-1896 |
| Theodore Shaeffer | 1887 |
| A.D. Freisener | 1886-1891 |
| Isaac Kerns | 1884-1886 |
| Enos S. Miller | 1882-1887 |
| Henry Langle | 1880-1885 |
| William McClenaghan | 1878-1883 |
| William Fink | 1875-1881 |
| Thomas Barr | 1874-1879 |
| Caleb E. Moore | 1871-1877 |
| Henry Borches | 1870-1874 |
| A.B. Giullet | 1867-1873 |
| Ervin Moore | 1865-1871 |
| C. Trovinger | 1864-1869 |
| Joel Shaeffer | 1861-1867 |
| Henry Alspach | 1861-1865 |
| Jonah H. Baker | 1860 |
| Henry Balir | 1859-1860 |
| John W. Cunningham | 1858-1863 |
| Joseph Sharp | 1856-1861 |
| Andrew Peters | 1855-1857 |
| Daniel Collins | 1853-1859 |
| Daniel Schopp | 1852-1855 |
| Thomas Reese | 1848-1854 |
| Samuel Shaeffer | 1848-1853 |
| William Pannebecker | 1847-1852 |
| William Smith | 1846-1847 |
| Abraham Decker | 1844-1845 |
| Michael Ebright | 1844-1847 |
| Thomas Causland | 1841-1844 |
| David Brown | 1840-1846 |
| Thomas Carlisle | 1839-1844 |
| Nathaniel Bray | 1838-1841 |
| William Lamb | 1838-1840 |
| Samuel Ewing | 1836-1838 |
| Samuel Derr | 1835-1837 |
| Christian Baker | 1834-1839 |
| John Grabill | 1834-1835 |