| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BEEPART LIMITED | 00177682 | 23/11/2010 | Gold |
| D.DUDDELL,LIMITED | 00436376 | 23/11/2010 | Dissolved |
| DYSON GROUP PLC | 00163096 | 23/11/2010 | Silver |
| DYSON INDUSTRIES LIMITED | 01187031 | 23/11/2010 | Bronze |
| DYSON TPM LTD | 03327174 | 23/11/2010 | Strike Off |
| DYTECH CORPORATION LIMITED | 02094988 | 23/11/2010 | Dissolved |
| HI-POR CERAMICS LIMITED | 03472749 | 23/11/2010 | Dissolved |
| HOT H 2002 LTD | 00962291 | 23/10/2010 | Dissolved |
| HOT I 2002 LTD | 02316671 | 23/11/2010 | Dissolved |
| HOT PP 2002 LTD | 00938345 | 23/11/2010 | Dissolved |
| INTELPROP LIMITED | 03473033 | 23/11/2010 | Dissolved |
| J & J DYSON LIMITED | 03326984 | 23/11/2010 | Dissolved |
| JOHN KNOWLES & CO (WOODEN BOX) LIMITED | 00096707 | 23/11/2010 | Dissolved |
| PICKFORD,HOLLAND & CO.LIMITED | 00128414 | 23/11/2010 | Gold |
| SANDYGATE MOTOR SERVICES LIMITED | 00866006 | 23/11/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUILDERS CENTRE (SHEFFIELD) LIMITED(THE) | 00624494 | 23/11/2010 | 14/03/2013 | One Red Flag |
| DYSON TECHNICAL CERAMICS LIMITED | 08169018 | 06/08/2012 | 26/09/2018 | Gold |
| IMCO (62000) LIMITED | 03905626 | 23/11/2010 | 31/10/2011 | Amber |
| SAFFIL 2011 LIMITED | 07696889 | 07/07/2011 | 31/10/2011 | One Red Flag |
| SAFFIL LIMITED | 03646114 | 23/11/2010 | 31/10/2011 | Bronze |
| UNIFRAX EMISSION CONTROL EUROPE LTD | 01978805 | 23/11/2010 | 31/10/2011 | One Red Flag |