| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BASE MINIMIX LIMITED | 00556209 | 17/10/2022 | Dissolved |
| BEAU PLANET LIMITED | 09499054 | 19/06/2015 | Dissolved |
| INSTITUTE OF QUARRYING(THE) | 00606601 | 21/09/2018 | One Red Flag |
| NATIONAL STONE CENTRE(THE) | 01817304 | 01/03/2022 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLUE CIRCLE DEVELOPMENTS LIMITED | 01081949 | 22/03/2022 | 26/07/2024 | Gold |
| CAMBRIAN STONE LIMITED | 01579754 | 16/04/2013 | 15/07/2019 | Gold |
| EAST COAST SLAG PRODUCTS LIMITED | 00330538 | 16/04/2013 | 15/07/2019 | Gold |
| ELSTOW ASPHALT LIMITED | 05172782 | 16/04/2013 | 31/08/2016 | Dissolved |
| HARLOW ASPHALT LIMITED | 04463542 | 16/04/2013 | 31/08/2016 | Insolvent |
| HEPPLEWHITE QUARRIES & PLANT HIRE LIMITED | 00763141 | 16/04/2013 | 25/07/2018 | Dissolved |
| LAL-GRS LIMITED | 05152586 | 29/04/2013 | 29/04/2013 | One Red Flag |
| LTM (CITY OF LONDON) LIMITED | 02438805 | 16/04/2013 | 15/07/2019 | Silver |
| LTM (CITY OF WESTMINSTER) LIMITED | 02488552 | 16/04/2013 | 15/07/2019 | Bronze |
| LTM (SOUTHERN) LIMITED | 01908305 | 16/04/2013 | 15/07/2019 | Bronze |
| LTM (WESTERN) LIMITED | 02139984 | 16/04/2013 | 15/07/2019 | One Red Flag |
| LTM CREWING SERVICES LIMITED | 05377235 | 13/01/2014 | 15/07/2019 | Bronze |
| MIDLAND QUARRY PRODUCTS LIMITED | 03173418 | 29/07/2009 | 25/01/2013 | Silver |
| R.H. ROADSTONE LIMITED | 01923855 | 16/04/2013 | 15/07/2019 | Gold |
| REDLAND LIMITED | 00137294 | 21/11/2022 | 26/07/2024 | Gold |
| REDLAND MINERALS LIMITED | 00034597 | 21/11/2022 | 26/07/2024 | Amber |
| REDLAND PROPERTIES LIMITED | 00433750 | 16/04/2013 | 26/07/2024 | Gold |
| REDLAND PROPERTY HOLDINGS LIMITED | 00213761 | 16/04/2013 | 26/07/2024 | Gold |
| TARMAC (SOUTH WESTERN) LIMITED | 04026403 | 16/04/2013 | 15/07/2019 | Gold |
| TARMAC BRISTOL RECYCLED AGGREGATES LIMITED | 05484014 | 13/01/2014 | 15/07/2019 | Dissolved |
| TARMAC CALEDONIAN LIMITED | SC176011 | 16/04/2013 | 15/07/2019 | Bronze |
| TARMAC DIRECTORS (UK) LIMITED | 03221775 | 24/08/2017 | 26/07/2024 | Not Trading |
| TARMAC HOLDINGS (THL) LIMITED | 00132583 | 21/10/2022 | 26/07/2024 | Not Trading |
| TARMAC MARINE LIMITED | 02105370 | 16/04/2013 | 15/07/2019 | Silver |
| TARMAC PENSIONS LIMITED | 00888456 | 20/01/2010 | 13/07/2016 | Not Trading |
| TARMAC SECRETARIES (UK) LIMITED | 00532256 | 24/08/2017 | 26/07/2024 | Not Trading |