| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADP SURFACE SOLUTIONS LIMITED | 05211403 | 29/05/2015 | Dissolved |
| AMCO PLASTICS HOLDINGS LIMITED | 06701989 | 16/07/2013 | Dissolved |
| AMCO PLASTICS LIMITED | 01278099 | 16/07/2013 | Strike Off |
| BRITISH CERAMIC CONFEDERATION LTD | 12322814 | 16/10/2020 | Gold |
| BRITISH FLOWERPOTS LIMITED | 15291020 | 17/11/2023 | Amber |
| D. & B. INJECTION MOULDERS LIMITED | 03888082 | 28/02/2022 | Gold |
| LIGHTHOUSE CONSTRUCTION INDUSTRY CHARITY | 08244118 | 01/10/2015 | Bronze |
| NAYLOR COMMERCIAL PROPERTIES LIMITED | 02908579 | 12/05/1994 | Silver |
| NAYLOR CONCRETE PRODUCTS LTD | 00379438 | 01/01/2000 | Silver |
| NAYLOR DRAINAGE HOLDCO LIMITED | 15458973 | 01/02/2024 | Amber |
| NAYLOR DRAINAGE LTD | 00342010 | 08/11/1993 | Silver |
| NAYLOR HATHERNWARE LIMITED | 02527716 | 21/11/1997 | Dissolved |
| NAYLOR INDUSTRIES LIMITED | 14694094 | 28/02/2023 | Gold |
| NAYLOR PROPERTY HOLDINGS LIMITED | 14694095 | 28/02/2023 | Gold |
| NAYLOR SPECIALIST PLASTICS LIMITED | 00342012 | 08/11/1993 | Silver |
| NAYLOR TECHNICAL SOLUTIONS LTD. | 04126555 | 04/08/2021 | One Red Flag |
| NAYLOR UTILITIES & DISTRIBUTION LTD. | 00257448 | 01/08/2003 | Dissolved |
| PERFORMANCE AGILITY LTD | 13125770 | 01/07/2024 | Amber |
| RUNNYMEDE DEVELOPMENTS LIMITED | 00980146 | 07/09/1991 | Bronze |
| Rogen (Properties) Ltd | 05105112 | 30/11/2004 | Dissolved |
| THE YORKSHIRE FLOWERPOT COMPANY LIMITED | 02948385 | 20/09/1994 | Dissolved |
| TUFFPIPES LIMITED | 05914833 | 10/05/2022 | Gold |
| WHITE'S (CONCRETE) LIMITED | 00197667 | 08/11/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLAY PIPE DEVELOPMENT ASSOCIATION LIMITED | 00862203 | 11/11/1993 | 30/06/2024 | Gold |
| NAYLOR UTILITIES & DISTRIBUTION LTD. | 00257448 | 31/07/2002 | 31/07/2002 | Dissolved |