| Company | Timeline | Status | |
| Diamond Industrial Supply Company Limited Director • Manager | 4 Nov 2002←21 Years→31 Mar 2024 | Active | |
| Diamond Industrial Supply (Perth) Ltd Director • Buyer | 22 Jan 1997←26 Years→6 Jun 2023 | Dissolved | |
| Diamond Administration And Management Services Limited Director • Clerk | 1 Oct 1995←20 Years→6 Apr 2016 | Active | |
