| Company | Timeline | Status | |
| D.B. Brooks (Electrical Engineers) Limited Director • Company Director | 5 May 1994←31 Years→Current | Active | |
| D. B. Brooks Limited Director • Secretary | 31 Dec 1991←34 Years→Current | Active | |
| D. B. Brooks Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
