| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cofreth Controls Ltd | 02524416 | 08/09/1993 | Dissolved |
| Elliott,William,Boiler Services Ltd | 02050409 | 03/08/1991 | Dissolved |
| RESOURCE AND UTILITY CONTROL LTD | 00787495 | 12/12/1994 | Not Trading |
| Technical Instrument Services Ltd | 01839167 | 03/08/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Atlas Wright Ltd | 03000407 | 30/07/1999 | 17/06/2002 | Dissolved |
| Atlas-Wright (Europe) Ltd | 01124190 | 30/07/1999 | 17/06/2002 | Dissolved |
| BOILER OPERATION AND MANAGEMENT LIMITED | 01274634 | 03/08/1991 | 17/06/2002 | Dissolved |
| Cofreth Ltd | 02340654 | 30/01/1992 | 17/06/2002 | Dissolved |
| Colec Energy Ltd | 02759939 | 02/12/1997 | 17/06/2002 | Dissolved |
| Complete Energy Services Ltd | 02950121 | 21/02/2001 | 17/06/2002 | Dissolved |
| Hallamshire Heating Co. Ltd | 01895822 | 03/08/1991 | 17/06/2002 | Dissolved |
| INDUSTRIAL ENERGY SERVICES LIMITED | 01732859 | 26/06/1991 | 17/06/2002 | One Red Flag |
| Normartha Ltd | 02739876 | 14/08/1992 | 30/09/1996 | Dissolved |
| The Wright Group Ltd | 01299185 | 30/07/1999 | 17/06/2002 | Dissolved |
| WILLIAM ELLIOTT BOILER SERVICES LIMITED | 00421284 | 02/12/1997 | 17/06/2002 | Not Trading |
| WRIGHT LONDON LIMITED | 01268172 | 30/07/1999 | 17/06/2002 | Dissolved |
| WRIGHT NORTHERN LIMITED | 01386232 | 30/07/1999 | 17/06/2002 | Dissolved |
| Wright Air Conditioning Ltd | 01781958 | 30/07/1999 | 17/06/2002 | Dissolved |
| Wright Birmingham Ltd | 01268171 | 30/07/1999 | 17/06/2002 | Dissolved |
| Wright Design & Management Ltd | 01472060 | 30/07/1999 | 17/06/2002 | Dissolved |
| Wright U K Ltd | 02530443 | 30/07/1999 | 17/06/2002 | Dissolved |