| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.B. European Marketing Ltd | 02208100 | 01/05/2000 | Dissolved |
| Anglosid Ltd | 01119735 | 01/05/2000 | Dissolved |
| Auto Diesels Ltd | 01031452 | 19/03/2001 | Dissolved |
| Band Electronics Ltd | 02630345 | 20/01/2002 | Dissolved |
| Coleman Fasteners Ltd | 01179229 | 01/05/2000 | Dissolved |
| DANUM COMPUTER SYSTEMS LIMITED | 02064027 | 01/05/2000 | Dissolved |
| Electronic Designs Ltd | 01528312 | 01/05/2000 | Dissolved |
| Flexoconnect Ltd | SC134260 | 05/01/2001 | Dissolved |
| Huntingdon Magnets Ltd | 02065123 | 01/05/2000 | Dissolved |
| Laser Stencils Ltd | SC134258 | 05/01/2001 | Dissolved |
| MMG LIMITED | 01556147 | 01/05/2000 | Dissolved |
| PRESTWICK (IRELAND) LIMITED | NI026384 | 05/01/2001 | Dissolved |
| PRESTWICK MULTITECH LIMITED | SC136438 | 05/01/2001 | Dissolved |
| Power Cables Ltd | 00812478 | 01/05/2000 | Dissolved |
| Prestwick Microcircuits Ltd | SC073527 | 05/01/2001 | Dissolved |
| SCINOIVA LIMITED | FC004171 | 06/07/1964 | Bronze |
| TRACKVISION LIMITED | 01547886 | 01/05/2000 | Dissolved |
| TT BOTTOM LINK LIMITED | 00217414 | 01/05/2000 | Dissolved |
| TTG MANUFACTURING LIMITED | 01596968 | 01/05/2000 | Dissolved |
| The Yorkshire Rope & Twine Co Ltd | 01878841 | 01/05/2000 | Dissolved |
| WELWYN INDUSTRIES LIMITED | 01154822 | 01/05/2000 | Dissolved |
| YERRUS NUMBER THREE LIMITED | 01559178 | 20/12/2007 | Dissolved |
| YERRUS NUMBER TWO LIMITED | 00348224 | 01/05/2000 | Dissolved |
| Yerrus Number One Ltd | 01914224 | 01/05/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 13 ST. GEORGE'S DRIVE LIMITED | 01648376 | 01/02/2000 | 31/03/2003 | Silver |
| AEI COMPOUNDS LIMITED | 00163690 | 30/08/2007 | 24/09/2007 | One Red Flag |
| Conab Ltd | 00299045 | 01/05/2000 | 25/03/2002 | Dissolved |
| SICAME UK LIMITED | 03319466 | 30/08/2007 | 24/09/2007 | Gold |
| TWINE & CORDAGE (UK) LIMITED | 05533964 | 25/01/2006 | 29/11/2006 | Bronze |
| YERRUS NUMBER FIVE LIMITED | SC046516 | 20/12/2007 | 13/08/2009 | Dissolved |