| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Helifin Limited | 01707183 | 28/12/1990 | Dissolved |
| Whyles Aviation Ltd | 04625479 | 06/01/2003 | Dissolved |
| Whyles International | 01517068 | 29/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BURTON WATERS (H L & R ) LIMITED | 03600431 | 23/06/1999 | 30/08/2002 | Not Trading |
| COOLING POWER INDUSTRIES LIMITED | 01976333 | 12/03/1992 | 21/11/1997 | Dissolved |
| D.A.W. Developments | 01194406 | 12/03/1991 | 21/11/1997 | Dissolved |
| FINNING MACHINES LIMITED | 01270109 | 12/03/1992 | 21/11/1997 | Dissolved |
| IVY FARM (STANHOE) MANAGEMENT CO LIMITED | 05212187 | 23/08/2004 | 04/08/2009 | Bronze |
| POMME POM EVENTS LIMITED | 09156221 | 31/07/2014 | 23/01/2024 | Silver |
| REGENTWEB LIMITED | 03452513 | 09/12/1997 | 23/01/2024 | Bronze |
| RICHARD PEARSON LIMITED | 00611568 | 20/11/2000 | 13/04/2004 | Dissolved |
| SPECIALIST HEAT EXCHANGERS LIMITED | 00936014 | 12/03/1992 | 21/11/1997 | Silver |
| Spiral Tube Ltd | 01090026 | 12/03/1992 | 21/11/1997 | Dissolved |
| TUBE FINS LIMITED | 01021223 | 12/03/1992 | 21/11/1997 | Amber |