| 1926-38 | Edwin W. Gehring, Portland |
| 1938-48 | Eugene H. Drake, Portland |
| 1948-57 | Richard S. Hawkes, Portland (Acting Governor 1942-43 while Drake was on active Navy duty) |
| 1957-66 | Elton R. Blaisdell, Portland |
| 1966-67 | William C. Burrage, Portland |
| 1967-74 | Albert Aranson, Portland |
| 1974-78 | Philip P. Thompson, South Portland |
| 1978-82 | Harry A. Bliss, South Portland |
| 1982-86 | Louis G. Bove, Portland |
| 1986-90 | Richard J. Kahn, Warren |
| 1990-94 | John P. Tooker, Cape Elizabeth and Falmouth (Chair-Elect, 1993-94, Chair, 1994-95) |
| 1994-98 | William L. Medd, Norway |
| 1998-02 | Leonard Keilson, Portland |
| 2002-06 | Ted L. Sussman, Houlton |
| 2006-10 | Richard M. Engel, Westbrook |
| 2010-14 | Nancy A. Hasenfus, Bath |
| 2014-18 | John E. Erickson, Portland |
| 2018-22 | Rebecca Hemphill, Portland |
| 2022-present | Stephen Hayes, Westbrook |