| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A L H SYSTEMS LIMITED | 01255492 | 26/06/2014 | One Red Flag |
| ADAERO HOLDINGS LIMITED | 03931359 | 08/01/2015 | Dissolved |
| ADAERO PRECISION COMPONENTS LIMITED | 03355358 | 08/01/2015 | Bronze |
| ADVANCE TECHNICAL SYSTEMS LTD | 05418471 | 08/07/2024 | One Red Flag |
| BAILEY MORRIS LIMITED | 01345726 | 15/08/2014 | Bronze |
| BELDAM CROSSLEY LIMITED | 00137350 | 01/04/2016 | Silver |
| BIRMINGHAM SPECIALITIES LIMITED | 00230677 | 18/06/2014 | Bronze |
| ELLARD LIMITED | 04036325 | 13/02/2017 | Amber |
| EXTRACTABILITY LIMITED | 10075335 | 01/03/2019 | Dissolved |
| FLOWSTOP LIMITED | 01624402 | 05/09/2016 | Bronze |
| HUNTINGDON FUSION TECHNIQUES LIMITED | 01289542 | 07/04/2022 | Gold |
| INDUTRADE UK LIMITED | 09287563 | 30/10/2014 | Silver |
| IRVINE SPRING COMPANY LIMITED | SC192668 | 12/10/2016 | Bronze |
| MICRO SPRING & PRESSWORK COMPANY LIMITED(THE) | 00814603 | 17/06/2014 | Bronze |
| NRG AUTOMATION LIMITED | 08762273 | 29/03/2019 | Not Trading |
| PRECISION PRODUCTS (UK) LIMITED | 02928395 | 01/07/2009 | Amber |
| SIFBRONZE LIMITED | 02953337 | 01/03/2019 | Dissolved |
| THE MICRO SPRING & PRESSWORK COMPANY HOLDINGS LIMITED | SC331637 | 17/06/2014 | Dissolved |
| TIDYCO LIMITED | 03184259 | 29/10/2024 | Gold |
| TIDYCO TOPCO 24 LIMITED | 15975656 | 29/10/2024 | Amber |
| V P E LIMITED | 03751816 | 22/11/2013 | Dissolved |
| VERPLAS LIMITED | 02033296 | 22/11/2013 | Silver |
| WELDABILITY SIF FOUNDATION | 07552572 | 01/03/2019 | Dissolved |
| WELDABILITY SIF LIMITED | 11537457 | 01/03/2019 | Dissolved |
| WELDSPEED LIMITED | 02211472 | 01/03/2019 | Dissolved |
| WHOLESALE WELDING SUPPLIES LIMITED | 01684362 | 01/03/2019 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| N.W. METAL SECTIONS LTD | 05334670 | 10/12/2021 | 03/10/2024 | Silver |
| NATGRAPH LIMITED | 01485098 | 03/07/2019 | 05/03/2024 | Bronze |
| SUNFLOWER MEDICAL LIMITED | 04514281 | 01/08/2018 | 17/10/2024 | Bronze |
| TELESISEAGLE LIMITED | 01745452 | 22/05/2006 | 31/05/2009 | Gold |
| TRELAWNY SPT LIMITED | 04943839 | 02/03/2018 | 01/06/2024 | Bronze |
| VACUUM ENGINEERING SERVICES LIMITED | 02897361 | 04/07/2016 | 05/10/2022 | Gold |
| YB FIXINGS LTD | SC075801 | 01/08/2018 | 10/08/2018 | Bronze |