Charter Members
| Adams, Lester A. | Hunsaker, C.A. |
| Asmus, A.H. | Jones, J. Paul |
| Berry, F.D. | Mallory, Omer T. |
| Bloedorn, H.D. (First President) | McLagan, Earl B. |
| Boillot, E.L. | Nelson, N.M. |
| Brooks, W.C. | Patterson, Robert |
| Castner, N. | Quillen, H.H. |
| Cudworth, W.W. | Rickel, Clayton C. |
| Donnen, Ralph R. | Robison, E.H. |
| Giese, H.C. | Rothrock, L.V. |
| Graham, Fred S. | Spencer, R.B. |
| Green, B. Raymond | Stamper, Thomas |
| Hamilton, K.R. | Swanson, H.E. |
| Hamilton, L.P. | Tibbetts, Ray E. |
| Hartman, H.L. | Yenne, Foss |