| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Carlton Consultants Gb Ltd. | 02902631 | 25/02/1994 | Dissolved |
| Carlton Consultants Gb Ltd. | 02902631 | 25/02/1994 | Dissolved |
| Compco Aluminium Systems Ltd | 02068061 | 31/12/1990 | Dissolved |
| Composite Construction Ltd | 02028497 | 16/10/1990 | Dissolved |
| Mantus Ltd | 02320737 | 22/11/1991 | Dissolved |
| Nets Work Northern Ltd | 05988638 | 06/11/2006 | Dissolved |
| Palfrey Grant Associates Ltd | 03840387 | 20/12/2000 | Dissolved |
| Roger Smith Decorations Limited | 02758595 | 27/10/1992 | Dissolved |
| S & J Construction Management Ltd | 03855308 | 23/11/1999 | Dissolved |
| Steel Works Ltd | 03674185 | 01/01/1999 | Dissolved |
| Testside Ltd | 02009871 | 31/12/1991 | Dissolved |
| URBAN ROOFING LIMITED | 06839399 | 06/03/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRTEK SAFETY NETTING SERVICES LIMITED | 06378098 | 09/08/2012 | 31/01/2024 | Bronze |
| ALL MASTIC LIMITED | 02361497 | 15/03/1990 | 30/06/1995 | Silver |
| BAKERBLUE LIMITED | 06912963 | 21/05/2009 | 31/10/2014 | Amber |
| CLADANCO LIMITED | 02965602 | 01/10/1995 | 07/07/1997 | Silver |
| COMPCO FIRE SYSTEMS (HOLDINGS) LIMITED | 07174113 | 02/03/2010 | 30/11/2013 | Dissolved |
| COMPCO FIRE SYSTEMS LIMITED | 02788418 | 23/03/2007 | 30/11/2013 | Bronze |
| COMPCO SAFETY SYSTEMS LIMITED | 07137789 | 03/10/2011 | 30/11/2013 | Dissolved |
| NETS WORK LIMITED | 03133710 | 15/12/1995 | 31/12/2010 | Dissolved |
| The Steel Factory Ltd. | 02902640 | 25/02/1994 | 08/02/1995 | Dissolved |
| The Steel Factory Ltd. | 02902640 | 25/02/1994 | 08/02/1995 | Dissolved |
| VICTORIA ROAD (AVONMOUTH) MANAGEMENT COMPANY LIMITED | 02274025 | 24/09/2001 | 06/06/2017 | Silver |