| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B&ESA LIMITED | 00852809 | 19/05/1993 | 30/10/1995 | Bronze |
| BALFOUR BEATTY ENGINEERING SERVICES (HY) LIMITED | 00215402 | 11/10/1992 | 13/10/1995 | Not Trading |
| DRAKE & SCULL AIRPORT SERVICES LIMITED | 02668077 | 17/01/1997 | 30/06/2002 | Not Trading |
| EMCOR FACILITIES SERVICES LIMITED | 03053121 | 31/05/1996 | 27/06/2002 | Not Trading |
| EMCOR GROUP (UK) PLC | 00806888 | 31/05/1996 | 27/06/2002 | Gold |
| EQUANS SERVICES LIMITED | 00598379 | 23/05/1991 | 13/10/1995 | Silver |
| HADEN BUILDING MGT. (2008) LIMITED | 02697847 | 17/03/1992 | 13/10/1995 | Dissolved |
| HADEN BUILDING SERVICES LIMITED | 00152500 | 11/10/1992 | 13/10/1995 | Not Trading |
| HAMMER WOOD CONSERVATION LIMITED | 02023752 | 23/03/2001 | 29/11/2011 | Gold |
| RELATE WEST SUSSEX | 05776865 | 11/04/2006 | 24/02/2009 | Gold |
| RELATE WEST SUSSEX | 05776865 | 16/04/2007 | 24/02/2009 | Gold |
| STAT 123 LIMITED | 02857138 | 31/01/1994 | 13/10/1995 | Dissolved |
| Skills Network Ltd | 02267705 | 28/11/1991 | 30/10/1995 | Dissolved |
| WICKHAM BENTLEY MANAGEMENT CO. LIMITED | 03432378 | 11/09/1997 | 16/01/2003 | Silver |