| Company | Timeline | Status | |
| HPC Engineering Limited Secretary • Unreported | 14 Dec 2006←1 Year 2 Months→28 Feb 2008 | Active | |
| Kaeser Compressors Ltd Secretary • Unreported | 30 May 1997←10 Years→28 Feb 2008 | Active | |
| HPC Public Limited Company Secretary • Unreported | 18 Dec 1991←16 Years→28 Feb 2008 | Active | |
| H P C Air Compressors Limited Secretary • Unreported | 18 Dec 1991←16 Years→28 Feb 2008 | Active | |
