| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Barrett & Wright (Anglia) Limited | 01968999 | 29/08/1991 | Dissolved |
| The Plumbing & Heating Industry Alliance Ltd | 04659053 | 06/02/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| "EVEERGE" LIMITED | 00612503 | 09/07/1991 | 19/11/1991 | Insolvent |
| A.G.MANLY GROUP LTD | 00462161 | 25/07/1995 | 31/07/1999 | Insolvent |
| ABB VENTILATION & REFRIGERATION LIMITED | 00162602 | 29/08/1991 | 09/06/1992 | Insolvent |
| Abbeyfield Potters Bar & District Society Ltd | 00947781 | 29/01/2002 | 31/01/2003 | Dissolved |
| Abbeyfield Potters Bar & District Society Ltd | 00947781 | 12/11/2001 | 31/01/2003 | Dissolved |
| B W (1998) Ltd | 01082502 | 29/08/1991 | 23/09/1991 | Dissolved |
| B&ESA LIMITED | 00852809 | 22/11/1991 | 27/10/1992 | One Red Flag |
| BRIGHTCHANCE LTD | 00246757 | 11/04/1995 | 31/12/1999 | Insolvent |
| BROOKMANS PARK GOLF CLUB LIMITED | 00281614 | 14/03/1994 | 16/03/1999 | One Red Flag |
| GRATTE BARRETT & WRIGHT LIMITED | 01560528 | 22/05/1992 | 09/06/1992 | Dissolved |
| Ivo Engineering & Construction Co. (Norwich) Limited | 01779588 | 09/07/1991 | 19/11/1991 | Dissolved |
| PHAB LIMITED | 01598587 | 06/11/1991 | 09/11/1994 | Silver |
| Pump Cottages Management Co Ltd | 06107607 | 15/02/2007 | 06/02/2009 | Dissolved |
| R K O Refrigeration Ltd | 01150796 | 25/01/1992 | 23/04/1992 | Dissolved |
| Skills Network Ltd | 02267705 | 28/11/1991 | 23/12/1991 | Dissolved |