| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACO ACADEMY LTD | 06440641 | 16/12/2008 | Not Trading |
| ACO BUILDING DRAINAGE LTD | 05308651 | 09/12/2004 | Not Trading |
| ACO DRAIN LIMITED | 01854114 | 30/04/1997 | Not Trading |
| ACO FULBORA LIMITED | 02765068 | 23/09/1993 | Not Trading |
| ACO INTERNATIONAL LIMITED | 01854113 | 30/04/1997 | Not Trading |
| ACO LIMITED | 01841881 | 30/04/1997 | Not Trading |
| ACO POLYMER PRODUCTS LTD. | 02797468 | 09/03/1994 | Not Trading |
| ACO TECHNOLOGIES PLC | 01854115 | 13/12/1991 | Gold |
| ACO WILDLIFE LIMITED | 01854638 | 26/07/1995 | Gold |
| BUILDING CENTRE GROUP LIMITED(THE) | 00746150 | 01/06/2000 | Amber |
| COMPASSO LTD | 03953626 | 22/03/2000 | Not Trading |
| LINEADRAIN LTD | 04241005 | 26/06/2001 | Not Trading |
| POLYALFA DRAINAGE SYSTEMS LTD | 05844642 | 13/06/2006 | Not Trading |
| POLYALFA LTD | 05844633 | 13/06/2006 | Not Trading |
| POLYLINE DRAINAGE SYSTEMS LIMITED | 02357922 | 30/04/1997 | Gold |
| Pro-Resource Ltd | 03905218 | 28/01/2000 | Dissolved |
| ULMA LTD | 03953607 | 22/03/2000 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACO DRAIN LIMITED | 01854114 | 13/12/1991 | 06/01/1999 | Not Trading |
| ACO FULBORA LIMITED | 02765068 | 23/09/1993 | 20/07/2000 | Not Trading |
| ACO INTERNATIONAL LIMITED | 01854113 | 13/12/1991 | 06/01/1999 | Not Trading |
| ACO LIMITED | 01841881 | 13/12/1991 | 06/01/1999 | Not Trading |
| ACO POLYMER PRODUCTS LTD. | 02797468 | 09/03/1994 | 03/04/2000 | Not Trading |
| ACO TECHNOLOGIES PLC | 01854115 | 13/12/1991 | 06/01/1999 | Gold |
| ACO WILDLIFE LIMITED | 01854638 | 13/12/1991 | 06/01/1999 | Gold |
| CONSTRUCTION INDUSTRY RELIEF, ASSISTANCE AND SUPPORT FOR THE HOMELESS AND HOSPICES LIMITED | 03175906 | 22/03/2006 | 09/11/2016 | Silver |
| POLYLINE DRAINAGE SYSTEMS LIMITED | 02357922 | 31/07/1991 | 25/05/1999 | Gold |
| THE BUILT ENVIRONMENT TRUST | 09631202 | 09/06/2015 | 09/06/2024 | Bronze |