| Company | Timeline | Status | |
| P.T. Nelom Limited Director • Manager | 19 Apr 1992←5 Years→25 Feb 1998 | Dissolved | |
| Engineering Products Limited Director • Manager | 19 Apr 1992←5 Years→25 Feb 1998 | Active | |
Thos. P. Headland Limited Director • Manager | 19 Apr 1991←6 Years→25 Feb 1998 | Dissolved | |
| Headland Engineering Developments Limited Director • Manager | 19 Apr 1991←6 Years→25 Feb 1998 | Active | |
