| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Dragon Environmental Ltd | 03413252 | 21/12/2000 | Dissolved |
| Dragon Environmental Ltd | 03413252 | 01/08/1997 | Dissolved |
| GROUNDCOVER D. B. M. LIMITED | 04130259 | 07/09/2001 | One Red Flag |
| Gifford Properties Ltd | 03627384 | 09/09/1998 | Dissolved |
| MAVERICK DBM LTD | 06470333 | 11/03/2008 | One Red Flag |
| PANABLOK 100 LIMITED | 04762008 | 08/10/2007 | Dissolved |
| Pollution Solution Europe Ltd | 03867456 | 28/10/1999 | Dissolved |
| RICHARDS, MOOREHEAD AND LAING LIMITED | 01848683 | 30/11/1991 | Gold |
| RML BIOENGINEERING LIMITED | 05551890 | 01/09/2005 | Dissolved |
| Rml Environmental Ltd | 04465209 | 20/06/2002 | Dissolved |
| Rml Environmental Ltd | 04465209 | 20/06/2002 | Dissolved |
| STABILIZER UK LIMITED | 07250692 | 12/05/2010 | Dissolved |
| Sip Composites Ltd | 03926500 | 28/10/2000 | Dissolved |
| TREBO INTERNATIONAL LIMITED | 09240678 | 30/09/2014 | Dissolved |
| Tar Pools Ltd | 03721027 | 25/02/1999 | Dissolved |
| Tar Pools Ltd | 03721027 | 25/02/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLWYDFRO | 01930732 | 29/09/1995 | 16/01/2009 | Dissolved |
| Cemsol Uk Ltd | 04057383 | 12/12/2000 | 28/06/2005 | Dissolved |
| HAFREN LIMITED | 04069780 | 13/11/2000 | 30/06/2005 | One Red Flag |
| IMPACT LEISURE INTERNATIONAL LIMITED | 04105116 | 09/11/2000 | 02/09/2003 | Dissolved |