| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A & M EVANS FARMS CO LIMITED | 09278294 | 23/10/2014 | Gold |
| Beadranch Ltd | 03964518 | 07/03/2001 | Dissolved |
| CAMBRIAN SERVICES LIMITED | 11543137 | 30/08/2018 | Silver |
| CAMBRIAN SURFACING LIMITED | 04960005 | 11/11/2003 | Dissolved |
| FFERM WYNT LLAITHDDU CYF | 05632971 | 03/04/2013 | Dissolved |
| FWL (CWMNI UCHEL) LTD | 08435654 | 25/04/2013 | Dissolved |
| J.E. Industrial Sales Company Ltd | 01200774 | 31/12/1990 | Dissolved |
| JONES BROS RUTHIN CO LIMITED | 00983339 | 31/12/1991 | Gold |
| JONES BROS RUTHIN DEVELOPMENT HOLDINGS LIMITED | 11446706 | 03/07/2018 | Silver |
| JONES BROS. RUTHIN (ASSETS) CO. LIMITED | 05164832 | 28/06/2004 | Dissolved |
| JONES BROS. RUTHIN (CIVIL ENGINEERING) CO. LIMITED | 00983459 | 31/12/1991 | Gold |
| NWH LIMITED | 11446888 | 03/07/2018 | One Red Flag |
| Ruthin Machinery Sales Co Ltd | 01079054 | 10/01/1991 | Dissolved |
| SEIONT DEVELOPMENTS LIMITED | 11961703 | 24/04/2019 | Dissolved |
| SEIONT LIMITED | 10343825 | 24/08/2016 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CIVIL ENGINEERING CONTRACTORS ASSOCIATION (WALES) LIMITED | 03312918 | 11/04/2008 | 08/04/2011 | Gold |
| JONES BROS. RUTHIN (FARMS) CO. LIMITED | 01901557 | 31/12/1991 | 27/09/2013 | Silver |
| MONA TRACTOR COMPANY LIMITED | 01567069 | 31/12/1990 | 28/04/2017 | One Red Flag |