| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Isca Industrial Services Ltd. | 02981198 | 20/10/1994 | Dissolved |
| TECHNICAL AND TRAINING SERVICE LIMITED | 04120509 | 08/12/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NFRC COMMERCIAL LIMITED | 02608182 | 01/05/2008 | 18/04/2013 | Bronze |
| NSCC LIMITED | 01572772 | 10/12/2001 | 09/12/2002 | Dissolved |
| ROOFCERT LIMITED | 02593905 | 01/05/2008 | 01/02/2014 | Amber |
| SOUTH WALES AND SOUTH WEST ROOFING TRAINING GROUP | 03727300 | 05/03/1999 | 06/08/2015 | Silver |
| THE INSTITUTE OF ROOFING | 04119453 | 01/01/2008 | 19/05/2009 | Gold |
| THE INSTITUTE OF ROOFING | 04119453 | 04/12/2000 | 01/05/2008 | Gold |
| THE NATIONAL FEDERATION OF ROOFING CONTRACTORS LIMITED | 02591364 | 07/05/1999 | 18/05/2012 | Silver |