| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HAWKSLEASE FINANCE COMPANY LIMITED | 04359903 | 03/02/2006 | 01/01/2020 | Gold |
| INEOS CHLOR TRUSTEES LIMITED | 04154115 | 04/05/2001 | 21/12/2005 | Not Trading |
| INEOS ENTERPRISES II LIMITED | 03965021 | 08/09/2003 | 16/01/2007 | Dissolved |
| INEOS ENTERPRISES NEWCO 1 LIMITED | 04846517 | 08/09/2003 | 16/01/2007 | Dissolved |
| INEOS FINANCE PLC | 07084307 | 23/11/2009 | 23/04/2010 | Silver |
| INEOS PROCUREMENT LIMITED | 04589671 | 13/11/2002 | 01/01/2020 | Dissolved |
| INEOS PROPERTIES LIMITED | 05807165 | 29/06/2006 | 02/02/2011 | Silver |
| INEOS RUNCORN (TPS) HOLDINGS LIMITED | 06574947 | 23/04/2008 | 24/05/2013 | Gold |
| INEOS RUNCORN (TPS) LIMITED | 06575668 | 24/04/2008 | 24/05/2013 | Gold |
| INEOS VINYLS FINANCE LIMITED | 04922758 | 13/02/2006 | 16/10/2015 | Dissolved |
| INEOS VINYLS HOLDINGS LIMITED | 04144744 | 03/02/2006 | 01/01/2020 | Not Trading |
| INEOS VINYLS INVESTMENTS LIMITED | 04132696 | 03/02/2006 | 16/10/2015 | Dissolved |
| INEOS VINYLS UK LTD | 00547640 | 13/02/2006 | 01/01/2020 | Dissolved |
| INOVYN CHLORVINYLS LIMITED | 04068812 | 06/12/2000 | 16/01/2001 | Gold |
| INOVYN ENERGY LIMITED | 02076043 | 28/08/2001 | 01/01/2020 | Silver |
| INOVYN ENTERPRISES LIMITED | 04651437 | 29/01/2003 | 12/01/2006 | Amber |
| INOVYN FINANCE LIMITED | 07027513 | 26/11/2009 | 01/01/2020 | Silver |
| INOVYN GROUP TREASURY LIMITED | 06179953 | 13/05/2007 | 14/05/2007 | Amber |
| INOVYN NEWCO 2 LIMITED | 04772918 | 08/09/2003 | 01/01/2020 | Gold |
| INOVYN NEWTON AYCLIFFE LIMITED | 01631120 | 01/02/2008 | 01/01/2020 | Silver |
| INOVYN SALES INTERNATIONAL LIMITED | 03934724 | 28/08/2001 | 01/01/2020 | Dissolved |
| VINYLS ITALIA LIMITED | 05870732 | 20/07/2006 | 12/07/2022 | Gold |