| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D2N2 LOCAL ENTERPRISE PARTNERSHIP | 11914012 | 29/03/2019 | Gold |
| INSTITUTE OF QUARRYING(THE) | 00606601 | 21/09/2018 | One Red Flag |
| NATIONAL STONE CENTRE(THE) | 01817304 | 01/03/2022 | Bronze |
| NSC GO LIMITED | 10619675 | 29/04/2022 | Bronze |
| VGR MANAGEMENT LTD | 13867356 | 24/01/2022 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BARKER & BENCE LIMITED | 00615650 | 11/10/2001 | 30/10/2008 | Insolvent |
| INSTITUTE OF QUARRYING(THE) | 00606601 | 12/10/2000 | 16/05/2014 | One Red Flag |
| LONGCLIFFE GROUP LIMITED | 03291553 | 29/03/2018 | 30/04/2022 | Gold |
| LONGCLIFFE QUARRIES LIMITED | 00273400 | 29/03/2018 | 30/04/2022 | Gold |
| MERSEY SAND SUPPLIERS LIMITED | 03617869 | 11/10/2001 | 30/10/2008 | Silver |
| MINERAL PRODUCTS ASSOCIATION LIMITED | 01634996 | 31/03/2005 | 15/11/2006 | Silver |
| MINERAL PRODUCTS QUALIFICATIONS COUNCIL | 01695822 | 28/11/2018 | 04/05/2022 | Bronze |
| NORWEST SAND & BALLAST CO. (1985) | 00484592 | 11/10/2001 | 30/10/2008 | Insolvent |
| NORWEST SAND & BALLAST COMPANY LIMITED | 01895470 | 11/10/2001 | 30/10/2008 | Insolvent |
| OVAL (302) LIMITED | 02109915 | 11/10/2001 | 30/10/2008 | Insolvent |
| RICHARD ABEL & SONS,LIMITED | 00078717 | 25/09/2002 | 30/10/2008 | Insolvent |
| VITAL EARTH GB LIMITED | 05344435 | 30/07/2020 | 30/04/2022 | Strike Off |