| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| K L TECHNOLOGIES (PROJECTS) LIMITED | 07279025 | 02/07/2010 | Dissolved |
| K L TECHNOLOGIES LIMITED | 06267706 | 06/06/2007 | Silver |
| KL TECHNOLOGIES HOLDINGS LIMITED | 11055387 | 09/11/2017 | Gold |
| KLT FILTRATION HOLDINGS LIMITED | 11053115 | 08/11/2017 | Gold |
| KLT FILTRATION LIMITED | 07542674 | 24/04/2013 | Bronze |
| NANOFLAM HOLDINGS LIMITED | 11057372 | 10/11/2017 | Gold |
| NANOFLAM LIMITED | 06793019 | 02/07/2010 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| IGLOO SHOES LIMITED | 06817030 | 12/02/2009 | 15/10/2013 | Dissolved |
| PCL CERAMICS LIMITED | 04925633 | 03/11/2003 | 24/02/2022 | Bronze |
| PIL MEMBRANES LIMITED | 04925636 | 03/11/2003 | 30/09/2020 | Bronze |