| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Charterhouse Engineering Management Ltd | 02225347 | 17/03/1991 | Dissolved |
| Charterhouse Module Technologies Ltd | 02178635 | 05/11/1990 | Dissolved |
| Charterhouse Module Technologies Ltd | 02178635 | 05/11/1990 | Dissolved |
| Management Investment Ventures Ltd | 03012410 | 25/01/1995 | Dissolved |
| Pegasus International Trading Ltd | 03098919 | 02/02/1996 | Dissolved |
| Utilities Management Ltd | 03253165 | 23/09/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Amey Mec-Tric Ltd | 02444292 | 17/11/1991 | 12/11/1992 | Dissolved |
| Coxleigh Designs Ltd | 02594722 | 14/06/1996 | 01/08/2005 | Dissolved |
| Denge Engineering Services Ltd | 01374649 | 18/12/1993 | 15/05/1995 | Dissolved |
| Denge Group Ltd | 02045407 | 12/10/1993 | 15/05/1995 | Dissolved |
| Denge Ltd | 01102665 | 14/12/1992 | 15/05/1995 | Dissolved |
| Denge Power Projects (Pacific) Ltd | 01587441 | 18/12/1993 | 15/05/1995 | Dissolved |
| Power Distribution & Contracting International Ltd | 02239094 | 18/12/1993 | 15/05/1995 | Dissolved |
| ROSSER & RUSSELL MAINTENANCE LIMITED | 00928212 | 14/09/1998 | 20/12/2000 | Gold |