| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABCO TECHNOLOGY LIMITED | 01606368 | 01/04/1995 | 12/05/2005 | Dissolved |
| GERVASE INSTRUMENTS LIMITED | 00827218 | 26/09/1991 | 12/05/2005 | Not Trading |
| LANCASTER AND TONGE STEAM TRAPS LIMITED | 01525621 | 09/04/1992 | 12/05/2005 | Dissolved |
| RENOLD PUBLIC LIMITED COMPANY | 00249688 | 04/09/1997 | 21/07/2005 | Silver |
| SARCO LIMITED | 00969972 | 01/04/1995 | 12/05/2005 | Not Trading |
| SARCO THERMOSTATS LIMITED | 00327758 | 01/04/1995 | 12/05/2005 | Not Trading |
| SPIRAX 123 LIMITED | 00661771 | 14/12/1992 | 12/05/2005 | Dissolved |
| SPIRAX 456 LIMITED | 01424888 | 14/12/1992 | 12/05/2005 | Dissolved |
| SPIRAX 789 LIMITED | 00641919 | 14/12/1992 | 12/05/2005 | Dissolved |
| SPIRAX GROUP PLC | 00596337 | 29/05/1991 | 12/05/2005 | Silver |
| SPIRAX MANUFACTURING COMPANY LIMITED | 00261886 | 01/06/1995 | 12/05/2005 | Not Trading |
| SPIRAX-SARCO ENGINEERING B.V. | FC023730 | 14/02/2002 | 12/05/2005 | Amber |
| SPIRAX-SARCO EUROPE LIMITED | 01391602 | 01/04/1995 | 12/05/2005 | Not Trading |
| SPIRAX-SARCO INTERNATIONAL LIMITED | 01391806 | 01/04/1995 | 12/05/2005 | Not Trading |
| SPIRAX-SARCO INVESTMENTS B.V. | FC023729 | 14/02/2002 | 12/05/2005 | Amber |
| SPIRAX-SARCO INVESTMENTS LIMITED | 00100995 | 29/09/1994 | 12/05/2005 | Silver |
| SPIRAX-SARCO LIMITED | 00509018 | 12/04/1991 | 12/05/2005 | Silver |
| SPIRAX-SARCO OVERSEAS LIMITED | 01472201 | 21/04/1997 | 31/12/2007 | Bronze |
| WATSON-MARLOW LIMITED | 02481019 | 31/03/1995 | 19/05/1998 | Silver |