| Pledge Class | Established | # of Members |
|---|---|---|
| Founding | June 1992 | 17 |
| Alpha | Spring 1993 | 6 |
| Beta | Spring 1994 | 7 |
| Gamma | Fall 1995 | 7 |
| Delta | Fall 1996 | 9 |
| Epsilon | Fall 1997 | 3 |
| Zeta | Fall 1999 | 4 |
| Eta | Fall 2000 | 3 |
| Theta | Fall 2001 | 5 |
| Iota | Fall 2002 | 2 |
| Kappa | Fall 2003 | 1 |
| Lambda | Fall 2004 | 2 |