| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COUNTY OF SALOP STEAM ENGINE SOCIETY LIMITED(THE) | 01654318 | 30/11/2000 | Gold |
| ERNEST NEWTON GROUP LIMITED | 05143667 | 14/12/2004 | Dissolved |
| Ernest Newton Ltd | 05143232 | 14/12/2004 | Dissolved |
| FORWARD LUBRICANTS LIMITED | 05148695 | 14/12/2004 | Not Trading |
| G.B. LUBRICANTS LIMITED | 09534600 | 28/09/2015 | Not Trading |
| G.B.LUBRICANTS LIMITED | 00158581 | 18/03/2015 | Dissolved |
| GODDARD ENTERPRISES LIMITED | 09975087 | 15/02/2016 | Silver |
| GOODALL BATES & TODD LIMITED | 00090220 | 18/03/2015 | Gold |
| Geo Reedwin Ltd | 05163456 | 14/12/2004 | Dissolved |
| George Hull Ltd | 05148094 | 14/12/2004 | Dissolved |
| INDUSTRIAL SPECIALITY LUBRICANTS LIMITED | 07002609 | 15/10/2009 | Not Trading |
| METCUT (GREAT BRITAIN) LIMITED | 05163494 | 14/12/2004 | Not Trading |
| METCUT LIMITED | 05163517 | 14/12/2004 | Not Trading |
| MORRIS LEISURE LIMITED | 05148519 | 14/12/2004 | Not Trading |
| MORRIS LUBRICANTS LIMITED | 05148521 | 14/12/2004 | Not Trading |
| MORRIS OILS LIMITED | 09592598 | 15/05/2015 | Not Trading |
| NEWTON OILS LIMITED | 05137612 | 28/07/2004 | Not Trading |
| NOTWEN OILS LIMITED | 05163486 | 14/12/2004 | Dissolved |
| Newton Garage Ltd | 05163461 | 14/12/2004 | Dissolved |
| PATERSON ENTERPRISES LIMITED | 04930959 | 19/07/2004 | Silver |
| POSTON MILL HOLDINGS LIMITED | 13196317 | 30/09/2022 | Silver |
| POSTON MILL PARK LIMITED | 06469073 | 30/09/2022 | Silver |
| SHREWSBURY TOURISM ASSOCIATION LIMITED | 04592094 | 15/11/2002 | Gold |
| Samuel Smith (Birmingham) Ltd | 05163448 | 14/12/2004 | Dissolved |
| THE SENTINEL DRIVERS CLUB LTD. | 15224169 | 20/10/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NATIONAL TRACTION ENGINE TRUST | 01302197 | 16/11/2002 | 21/11/2009 | Silver |