| Company | Timeline | Status | |
| Adelphi Plant Hire (Scotland) Ltd Director • Unreported | 19 Nov 2002←22 Years→Current | Active | |
| Adelphi Engineering & Construction Limited Secretary • Plater | 23 Apr 1998←27 Years→Current | Active | |
| Adelphi Engineering & Construction Limited Director • Unreported | 23 Apr 1998←27 Years→Current | Active | |
