| Company | Timeline | Status | |
| Durkin Power Engineering Limited Director • Unreported | 1 Sep 1995←30 Years→Current | Active | |
| Durkin Civil Engineering Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Durkin And Sons Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
