| Company | Timeline | Status | |
| Sierra Court Management Company Limited Director • Director | 11 Aug 2011←1 Year 11 Months→10 Jul 2013 | Active | |
| Chevron Energy Limited Director • Solicitor | 30 Nov 2004←3 Years→9 Jun 2008 | Active | |
| Chevron Global Trading Limited Director • Solicitor | 11 Dec 2003←1 Month→23 Jan 2004 | Dissolved | |
| Valero Energy UK Ltd Director • Solicitor | 9 Dec 2003←1 Month→21 Jan 2004 | Dissolved | |
| Chevron Marine Limited Director • Solicitor | 3 Dec 2003←2 Years 8 Months→1 Aug 2006 | Dissolved | |
| Chevron Tankers Limited Director • Solicitor | 3 Dec 2003←2 Years 8 Months→1 Aug 2006 | Active | |
| Chevron International Tankship Limited Director • Solicitor | 3 Dec 2003←2 Years 8 Months→1 Aug 2006 | Active | |
| Chevron Britain Limited Director • Solicitor | 11 Dec 2001←6 Years→19 May 2008 | Active | |
| Chevron Captain Company LLC Director • Executive | 11 Dec 2001←6 Years→19 May 2008 | Active | |
| Texaco North Sea U.K. Limited Director • Solicitor | 11 Dec 2001←6 Years→19 May 2008 | Active | |
