| Year Started | Year Finished | Name | Company |
| 2023 | 2024 | Kevin Peterson | P2S Engineering |
| 2021 | 2022 | Jim Bowen | MMT Services Inc. |
| 2019 | 2020 | Dennis Bogh | Bogh Consulting, PLLC |
| 2017 | 2018 | Peter Baen | Thermon |
| 2015 | 2016 | Louis Barrios | Shell |
| 2013 | 2014 | Donald Dunn | Phillips 66 |
| 2011 | 2012 | John Nelson | NEI Electric Power Engineering, Inc. |
| 2009 | 2010 | Jim Rozsits | Rockwell Automation |
| 2008 | 2008 | H. Landis Floyd, II | DuPont |
| 2007 | 2007 | Kim Eastwood | Thermon |
| 2005 | 2006 | H. Landis Floyd, II | DuPont |
| 2003 | 2004 | Paul Myers | BP Chemical |
| 2001 | 2002 | J. D. Hill | The Dow Chemical Company |
| 1999 | 2000 | J. E. Propst | Shell |
| 1997 | 1998 | B. W. McCarty | Exxon Co. USA |
| 1995 | 1996 | B. C. Johnson | Thermon Mfg. Co. |
| 1993 | 1994 | T. P. Pearson | ARCO Expl & Prod Technology |
| 1991 | 1992 | J. H. Kassebaum | Eli Lilly and Company |
| 1989 | 1990 | A. W. Smith | E.I. duPont de Nemours & Co. Inc. |
| 1987 | 1988 | D. C. Azbill | Shell Oil Company |
| 1985 | 1986 | R. J. Fritz | Standard Oil Co. |
| 1983 | 1984 | R. M. Jackson | Union Oil Company of California |
| 1981 | 1982 | E. J. Fagan | E.I. duPont de Nemours & Co. Inc. |
| 1979 | 1980 | W. L. Moser | Amoco Chemical Corp. |
| 1977 | 1978 | J. A. Stewart | F.M.C. Corp. |
| 1975 | 1976 | A. F. Vieweg | Fluor Engineers & Construction |
| 1973 | 1974 | S. P. Axe | Atlantic Richfield Co. |
| 1971 | 1972 | T. R. Shaw | Phillips Petroleum Co. |
| 1969 | 1970 | F. P. Gertson | The Texas Eastern Transmission Co. |
| 1967 | 1968 | W. E. Burpee | Badger Co. |
| 1965 | 1966 | R. W. Mills | Reliance Electric Co. |
| 1963 | 1964 | Everett B. Turner | General Electric Co. |
| 1961 | 1962 | W. H. Dickinson | Esso Research & Engineering Co. |
| 1960 | 1960 | Merritt A. Hyde | Westinghouse Electric Co. |
| 1959 | 1959 | H. M. Stewart | Humble Oil & Refining Co. |
| 1958 | 1958 | L. E. Oberhelman | Standard Oil Company – Indiana |
| 1957 | 1957 | R. S. Cannon | Plantation Pipeline |
| 1953 | 1956 | J. Z. Linsenmeyer | Westinghouse Electric Co. |
