1997—

Jenny D. Hubach (Reno, Nevada)

Rod Rehm (Omaha, Nebraska)

George H. Moyer, Jr. (Madison, Nebraska)

Rod Rehm (Lincoln, Nebraska)

Monte L. Neilan (Scottsbluff, Nebraska)

Jay C. Elliott (North Platte, Nebraska)

David W. Ansley (Springfield, Missouri)

Gary C. Robb (Kansas City, Missouri)

Kevin M. Fitzgerald (Springfield, Missouri)

Jay Benson (Kirksville, Missouri)