| Company | Timeline | Status | |
| Hauck Developments Limited Director • Engineer | 31 Jan 1992←2 Years 9 Months→1 Nov 1994 | Active | |
| F. & J. Hauck Limited Director • Engineer | 31 Jan 1992←2 Years 9 Months→1 Nov 1994 | Liquidation | |
| F. & J. Hauck Limited Director • Unreported | 1 Jan 1970←24 Years→1 Nov 1994 | Liquidation | |
