| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GARCIA HR LTD | 09632597 | 10/06/2015 | Dissolved |
| GWELLA ASSOCIATES LTD | 11201908 | 13/02/2018 | Gold |
| UTILITAS RECRUITMENT LTD | 10069047 | 17/03/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DATA CONTRACTS SPECIALIST MAINTENANCE LIMITED | 04236013 | 06/04/2011 | 06/03/2015 | Not Trading |
| ENERGY ASSETS CONSTRUCTION LIMITED | 04135773 | 20/01/2016 | 20/11/2017 | Silver |
| ENERGY ASSETS NETWORKS LIMITED | 10068882 | 17/03/2016 | 05/05/2017 | Silver |
| GREENACRE PUMPING SYSTEMS LIMITED | 02236611 | 20/06/2012 | 06/03/2015 | Not Trading |
| HYDROSAVE UK LIMITED | 03460346 | 06/09/2010 | 06/03/2015 | Silver |
| IMMERSE ASSET MANAGEMENT LIMITED | 02784266 | 06/09/2010 | 06/03/2015 | Not Trading |
| INTEGRATED WATER SERVICES LIMITED | 05283349 | 06/09/2010 | 06/03/2015 | Silver |
| LINGARD LIMITED | 02710722 | 11/06/2012 | 06/03/2015 | Not Trading |
| OMEGA EARTHING SYSTEMS LIMITED | 03048201 | 14/03/2014 | 12/06/2015 | Dissolved |
| OMEGA FACILITY SERVICES LIMITED | 03750592 | 14/03/2013 | 12/06/2015 | Dissolved |
| OMEGA FURSE CONTRACTING LIMITED | 03653244 | 14/03/2014 | 12/06/2015 | Dissolved |
| OMEGA LIGHTNING PROTECTION LIMITED | 03048203 | 14/03/2014 | 12/06/2015 | Dissolved |
| OMEGA PRODUCT SUPPLIES LIMITED | 03750650 | 14/03/2014 | 12/06/2015 | Dissolved |
| OMEGA RED GROUP LIMITED | 02197902 | 01/10/2010 | 12/06/2015 | Gold |
| OMEGA RED HOLDINGS LIMITED | 06399736 | 01/10/2010 | 12/06/2015 | Amber |
| ONSITE CENTRAL LIMITED | 02712788 | 06/09/2010 | 06/03/2015 | Silver |
| ONSITE SPECIALIST MAINTENANCE LIMITED | 03152213 | 04/09/2013 | 06/03/2015 | Not Trading |
| PERCO ENGINEERING SERVICES LIMITED | 03282344 | 06/09/2010 | 06/03/2015 | Not Trading |
| SELENA MEP LLP | OC395264 | 30/10/2014 | 27/08/2015 | Strike Off |
| SSI SERVICES (UK) LIMITED | 03824088 | 06/09/2010 | 06/03/2015 | Silver |
| TIALOC LIMITED | 11211065 | 16/02/2018 | 15/08/2018 | Bronze |
| WOODSIDE ENVIRONMENTAL SERVICES LTD | 07406913 | 10/10/2013 | 06/03/2015 | Not Trading |