1987-1989

• 

  Michael F. Hupy (Green Bay, Wisconsin)

• 

  Michael F. Hupy (Appleton, Wisconsin)

• 

  David R. Hevel (Kennewick, Washington)

• 

  Barry J. Nace (Washington, District of Columbia)

• 

  D. Stephenson Schwinn (Fairfax, Virginia)

• 

  Ron Adkison (Henderson, Texas)

• 

  Michael Louik (Pittsburgh, Pennsylvania)

• 

  Christopher G. Cournoyer (Portland, Oregon)

• Stephen K. Snavely (Defiance, Ohio)

• Bernard K. Bauer (Findlay, Ohio)