| Company | Timeline | Status | |
| O'Rourke Civil Engineering Limited Director • Civil Engineer | 9 Mar 1994←5 Months→31 Aug 1994 | Active | |
Zeta-Form Group Holdings Ltd Director • Company Director | 15 Nov 1992←1 Year 9 Months→31 Aug 1994 | Dissolved | |
Zeta-Form Limited Director • Company Director | 1 Jun 1992←2 Years 3 Months→31 Aug 1994 | Dissolved | |
| O'Rourke Civil & Structural Engineering Limited Director • Director | 27 Jun 1991←2 Years 7 Months→25 Jan 1994 | Active | |
