| c1760 | John Hostetter |
| 1762 | Peter Weyland |
| 1769 | Christopher Weyland |
| 1777 | John Weyland |
| 1779 | Peter Weyland |
| 1783 | Jacob Erb |
| 1787 | Jacob Erb built a new mill. |
| 1810 | John Erb |
| 1817 | Isaac Erb |
| 1819 | John Erb (Isaac’s brother) |
| 1841 | Hiram Erb |
| 1869 | Michael S. Eberly |
| 1875 | Michael Eberly built the current mill. |
| 1919 | Lewis G. Eberly |
| 1938 | Closed by Hiram S. Eberly |
| 1939 | Lulu M. (Eberly) Longenecker |
| 1950 | Christian S. Oberholtzer |
| 1951 | Norman Boll |
| 1952 | Walter A. Herr |
| 1955 | Clay Feed & Supply Company |
| 1959 | Harold J. Whitcraft |
| 1992 | Clay Mill Antiques |
| 2005 | Perry Whitcraft |
Updated August 7, 2023The mill is located at 1780 Clay Road, Ephrata, PA.
