| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ELJARO LTD | 09402549 | 22/01/2015 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FOSECO (FS) LIMITED | 00929650 | 21/03/2013 | 31/12/2014 | Not Trading |
| FOSECO INTERNATIONAL LIMITED | 00468147 | 21/03/2013 | 31/12/2014 | Gold |
| FOSECO STEEL (UK) LIMITED | 00801835 | 21/03/2013 | 31/12/2014 | Not Trading |
| ISID LIMITED | 00847636 | 21/03/2013 | 31/12/2014 | Dissolved |
| JOHN G. STEIN & COMPANY LIMITED | 01163342 | 21/03/2013 | 31/12/2014 | Amber |
| K2 PARTNERING SOLUTIONS HOLDING CO LIMITED | 09420356 | 26/11/2015 | 11/04/2017 | Bronze |
| KILI BIDCO LIMITED | 10632036 | 13/03/2017 | 21/12/2017 | Bronze |
| KILI MIDCO LIMITED | 10631732 | 13/03/2017 | 21/12/2017 | Amber |
| KILI TOPCO LIMITED | 10631446 | 13/03/2017 | 30/07/2018 | Gold |
| NAHIKU LIMITED | 12232525 | 30/09/2019 | 30/09/2020 | Bronze |
| NEW FOSECO (UK) LIMITED | 05422218 | 21/03/2013 | 31/12/2014 | Not Trading |
| RYALTO LTD | 09876308 | 13/03/2018 | 31/12/2018 | Dissolved |
| S G BLAIR & COMPANY LIMITED | 00812474 | 21/03/2013 | 31/12/2014 | Gold |
| SAPIENT.I7 LIMITED | 11102472 | 24/10/2018 | 10/01/2020 | Dissolved |
| THOMAS MARSHALL (LOXLEY) LTD. | 00322439 | 21/03/2013 | 31/12/2014 | Dissolved |
| VESUVIUS HOLDINGS LIMITED | 00251977 | 20/06/2013 | 31/12/2014 | Silver |
| VESUVIUS K.S.R. LIMITED | 00257960 | 21/03/2013 | 31/12/2014 | Not Trading |
| VESUVIUS SCOTLAND LIMITED | SC039523 | 21/03/2013 | 31/12/2014 | Dissolved |
| VESUVIUS UK (2002) LIMITED | SC005763 | 21/03/2013 | 31/12/2014 | Insolvent |
| VESUVIUS UK LIMITED | 00054713 | 21/03/2013 | 31/12/2014 | Gold |
| VESUVIUS-PREMIER REFRACTORIES (HOLDINGS) LIMITED | 03354257 | 21/03/2013 | 31/12/2014 | Gold |
| YES TQUILA LIMITED | 09402070 | 19/05/2015 | 30/09/2020 | Amber |