| Company | Timeline | Status | |
| Derrick Ritchie (Film And T.V.) Lighting Limited Director • Company Director | 14 Jun 1991←18 Years→16 Dec 2009 | Liquidation | |
| Derrick Ritchie (Film And T.V.) Lighting Limited Director • Unreported | 1 Jan 1970←39 Years→16 Dec 2009 | Liquidation | |
