| 1945 | Mr A F Jones |
| 1946 |
Mr D L Snelling |
| 1947 |
Mr R D Adams |
| 1948 |
Mr G G Couling |
| 1949 |
Mr D C Berry and Mr J Stitchbury |
| 1950 |
Mr F M Bateson |
| 1951 |
Miss J Grey and Mr D A Philpott |
| 1952 |
Mr G T Railton |
| 1953 |
Mr M Hedges |
| 1954 |
Mr W D Anderson |
| 1955 |
Mr R F Joyce |
| 1956 |
Mr R B Orton |
| 1957 |
Mr L R H Beaumont |
| 1958 |
Mr J G Gow |
| 1959 |
Mr A J Doig and Mr T J Richards |
| 1960 |
Mr K D Adams |
| 1961 |
Mr W H Ward |
| 1962 |
Mr A C Gilmore |
| 1963 |
Mr E L Morley |
| 1964 |
Dr C D Ellyet |
| 1965 |
Mr C B Michie |
| 1966 |
Mr P A Read |
| 1967 |
Mr A J Thomas |
| 1968 |
Mr C P Fisk |
| 1969 |
Mr C H Rowe |
| 1970 |
Dr P J Edwards |
| 1971 |
Mr B F Marino and Mr W S G Walker |
| 1972 |
Mr W J H Fisher |
| 1973 |
Mr M Clark and Mr G R Nankivell |
| 1974 |
Mr G S Smith |
| 1975 |
Mr G Hall-Jones |
| 1976 |
Mr L A C Warner |
| 1977 |
Mr & Mrs W S Thrush |
| 1978 |
no award |
| 1979 |
Mr J E Morgan and Mr J H Duthie |
| 1980 |
Mr F P Andrews |
| 1981 |
Mr W H Allen |
| 1982 |
Ms P M Kilmartin |
| 1983 |
Mr G L Blow |
| 1984 |
Mr R R D Austin |
| 1985 |
Dr J B Hearnshaw |
| 1986 |
Mr D J MacLennan |
| 1987 |
Mr G S Smith |
| 1988 |
Mr J D Whelan |
| 1989 |
Mr Jack Dunlop (Napier) and Mr G Loftus |
| 1990 |
Mr R N Campbell |
| 1991 |
Mr H Williams |
| 1992 |
Mr R McIntosh |
| 1993 |
Mr R Sutherland |
| 1994 |
Mr R Evans |
| 1995 |
Mr A Dodson |
| 1996 |
Mr G Hudson |
| 1997 |
Dr J Baggaley |
| 1998 |
no award |
| 1999 |
Mr N Rumsey |
| 2000 | Mrs P A and Mr B R Loader |
| 2001 | Mr D Goodman |
| 2002 | Ms Marilyn Head |
| 2003 | Mr M Bos |
| 2004/5 | Dr Albert and Mrs Carolyn Jones |
| 2006 | Ms Jennie McCormick |
| 2007 | Mr R Rea |
| 2008 | No award |
| 2009 | Mr R Hall |
| 2010 | Mr S Butler |
