| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GI WASTE SOLUTIONS LTD | SC362437 | 03/03/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVANTI AWS LIMITED | 03573561 | 01/04/2010 | 31/01/2017 | Dissolved |
| AVANTI ENVIRONMENTAL GROUP LIMITED | 03476148 | 15/10/2007 | 31/01/2017 | Silver |
| AVANTI ENVIRONMENTAL HOLDINGS LIMITED | 06532794 | 12/03/2008 | 31/01/2017 | Not Trading |
| CCK REALISATIONS (2019) LIMITED | 01737260 | 01/07/1995 | 30/06/2004 | Dissolved |
| CHARTIS CONSULTANTS LIMITED | 04418199 | 05/07/2004 | 28/04/2006 | Dissolved |
| CHARTIS PROPERTY LIMITED | 03948692 | 05/07/2004 | 28/04/2006 | Dissolved |
| Contract Chemicals (Gloucester) Ltd | 03574493 | 22/06/1998 | 30/06/2004 | Dissolved |
| Contract Chemicals (Leeds) Ltd | 03055640 | 01/07/1995 | 30/06/2004 | Dissolved |
| Contract Chemicals (Warrington) Ltd | 01755292 | 01/07/1995 | 30/06/2004 | Dissolved |
| ECOLOGY SCOTLAND LTD. | SC166627 | 03/12/2010 | 31/01/2017 | Dissolved |
| EMAC DELTA LIMITED | SC391424 | 29/11/2013 | 31/01/2017 | Dissolved |
| EMAC RECYCLING LIMITED | SC224338 | 29/11/2013 | 31/01/2017 | Dissolved |
| FOURWAY MANAGEMENT LIMITED | 01624528 | 20/08/2009 | 31/01/2017 | Silver |
| Gsh Commercial Ltd | 04653795 | 31/01/2003 | 28/11/2003 | Dissolved |
| Gwk Ebs Ltd | 04590324 | 02/04/2003 | 09/12/2003 | Dissolved |
| HIGHLAND WASTE SERVICES LTD. | SC160564 | 25/07/2011 | 31/01/2017 | Dissolved |
| INDIGO ENVIRONMENTAL HOLDINGS LIMITED | 11738577 | 21/12/2018 | 03/03/2021 | Bronze |
| INDIGO ENVIRONMENTAL LIMITED | 10695826 | 28/03/2017 | 03/03/2021 | One Red Flag |
| INDIGO POLYMERS LIMITED | 11526560 | 20/08/2018 | 03/03/2021 | Gold |
| NESTON TANK CLEANERS LIMITED | 05297517 | 01/04/2008 | 31/01/2017 | Dissolved |
| Nation Water Holdings Ltd | 05741270 | 08/05/2006 | 10/04/2007 | Dissolved |
| PROJECT JACK LIMITED | SC194101 | 03/11/2010 | 31/01/2017 | Dissolved |
| PROVECTUS GROUP LTD | 02591589 | 05/07/2004 | 28/04/2006 | One Red Flag |
| PROVECTUS REMEDIATION LTD | 04418196 | 05/07/2004 | 28/04/2006 | Bronze |
| ROCK HIGHLAND LIMITED | SC310731 | 31/12/2012 | 31/01/2017 | Dissolved |
| SPIRECHEM NORTH WEST LIMITED | 03087129 | 01/10/2010 | 31/01/2017 | Dissolved |
| THREE COUNTIES RECLAMATION LIMITED | 03792922 | 11/01/2019 | 03/03/2021 | Bronze |