1986 - 1988
John F. Shanafelt - Iowa Public Service Co., Sioux City
1984 - 1986
Stan R. Hill - M.A. Ford Mfg. Co., Davenport
1981 - 1984
Gregory M. Brown - KIOWA Corporation, Marshalltown
1980 - 1981
Jack E. Knapp - Northwest States Portland Cement Company, Mason City
1978 - 1980
John W. Brust - ALCOA, Davenport
1976 - 1977
Guy G. Gilchrist - Iowa Light & Power Company, Des Moines
1973 - 1975
Elmer E. Bloom - Grain Processing Corporation, Muscatine
1972 - 1973
John Munger - Deere & Company, Des Moines
1969 - 1971
Hugh H. Hannah - ALCOA, Davenport
1967 - 1968
Walter E. Brown - KIOWA Corporation, Marshalltown
1965 - 1967
Murray B. Nelson - Maytag Corporation, Newton
1960 - 1964
Walter R. Cochran - John Deere Tractor Works, Waterloo
1957 - 1959
Lyle R. Mercer - Aluminum Company of America , Davenport
1955 - 1956
Joseph P. Lawlor - General Filter Co., Ames
1953 - 1954
George E. Pike - Pike, Sias & Butler, Waterloo
1949 - 1953
John S. Heffner - farmer and banker, Webster City
1948 - 1949
Guy E. Logan - Standard Chemical Co., Des Moines
1942 - 1947
Don V. McLean - Marshalltown County Taxpayers Association, Marshalltown
1935 - 1941
Francis Johnson - Iowa Farm Bureau, Des Moines