| Company | Timeline | Status | |
| S.P.I. Developments Limited Director • Design Engineer | 11 Sep 2002←23 Years→Current | Active | |
| S.P.I. Developments Limited Director • Design Engineer | 11 Sep 2002←23 Years→30 Sep 2025 | Active | |
Kaymich Packaging Division Limited Director • Design Engineer | 19 Mar 1991←7 Years→26 Oct 1998 | Dissolved | |
| C.B. Kaymich & Co. Limited Director • Design Engineer | 15 Mar 1991←7 Years→26 Oct 1998 | Active | |
