| Name | Dates Served | Number of Years Served |
|---|---|---|
| R. Morrison Brown | November 1953–January 1975 | 21 Years, 2 Months |
| Nancy Hayward | ||
| Lynn Shelly | ||
| Helena M. Smith | September 1958–January 1984 | 25 Years, 4 Months |
| Dan J. Tannacito | ||
| Jim Waddell | August 1965–January 1996 | 30 Years, 5 Months |
| Elaine Ware | August 1995–July 2011 | 15 Years, 11 Months |
| John G. Watta | September 1962–January 1984 | 21 Years, 4 Months |
| Name | Dates Served | Number of Years Served |
|---|---|---|
| Jackie Rohrabaugh | ||
| Esther Beers | September 1974–August 2010 | 35 Years, 11 Months |
| Bertha Cecconi | June 1976–June 2011 | 35 Years |
| Cathy Renwick | December 1986–January 2009 | 23 Years, 1 Month |
| Name | Dates Served | Number of Years Served |
|---|---|---|
| Wendy Carse (Emeritus) | August 1992–May 2013 | 20 Years, 9 Months |
| Bob Curey | August 1965–January 1999 | 33 Years, 5 Months |
| Karen Dandurand | August 1986–December 2011 | 25 Years, 1 Month |
| Dan Grubb (Emeritus) | August 1967–May 1993 | 25 Years, 9 Months |
| Patrick Hartwell (Emeritus) | ||
| Suzanne H. Hudson | January 1975–June 2004 | 29 Years, 5 Months |
| Joe Krupnik | ||
| Anthony J. Nania | August 1966–July 1995 | 28 Years, 11 Months |
| Rosalee Stilwell | ||
| Ronald F. Smits | ||
| Don W. Woodworth | August 1967–July 1994 | 26 Years, 11 Months |