| Company | Timeline | Status | |
| Ja And McMahon Limited Secretary • Unreported | 31 Mar 1992←14 Years→12 Apr 2006 | Dissolved | |
| J.A.Jackson Contractors(Preston)Limited Secretary • Unreported | 31 Mar 1992←4 Years→27 Mar 1997 | Active | |
| J.A.Jackson Contractors(Preston)Limited Director • Director | 31 Mar 1992←14 Years→12 Apr 2006 | Active | |
