| Company | Timeline | Status | |
| Hauck Developments Limited Director • Engineer | 31 Jan 1992←24 Years→26 Feb 2016 | Active | |
| F. & J. Hauck Limited Director • Engineer | 31 Jan 1992←24 Years→26 Feb 2016 | Liquidation | |
| F. & J. Hauck Limited Director • Unreported | 1 Jan 1970←46 Years→26 Feb 2016 | Liquidation | |
