| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BOUGHTON ENGINEERING LIMITED | 03739162 | 09/10/2000 | Silver |
| H.V. SKAN LIMITED | 00996954 | 13/08/1991 | Silver |
| INCROM (UK) LIMITED | 02791767 | 09/08/1993 | Dissolved |
| ISAIAH OLDBURY LIMITED | 01909190 | 09/10/2000 | Not Trading |
| LOH OPTICSERVICE (U.K.) LIMITED | 01519816 | 13/08/1991 | Not Trading |
| MIDDLE ROTHERWAS FISHERY LIMITED | 00973200 | 15/12/1991 | Dissolved |
| MIDDLE ROTHERWAS FISHERY LIMITED | 00973200 | 15/12/1991 | Dissolved |
| OLDBURY UK LIMITED | 01625694 | 09/10/2000 | Silver |
| POLCROCAN HOLDINGS LIMITED | 10512998 | 06/12/2016 | Bronze |
| POLCROCAN LIMITED | 00657598 | 15/08/1991 | Silver |
| PRECISION OPTICAL INSTRUMENTS LIMITED | 01673980 | 13/08/1991 | Not Trading |
| PRECISION OPTICAL INSTRUMENTS LIMITED | 01673980 | 13/08/1991 | Not Trading |
| QUARTZ RMA LIMITED | 02829289 | 23/07/1993 | Dissolved |
| SKAN GROUP HOLDINGS LIMITED | 10510590 | 05/12/2016 | Silver |
| SKANTAG LIMITED | 13692158 | 02/03/2022 | Not Trading |
| SKANTAINER LEASING LIMITED | 01891564 | 15/08/1991 | Dissolved |
| XTRALEC MARKETING LIMITED | 11005168 | 10/10/2017 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AUTO SERVICE TOOLS LIMITED | 02652969 | 10/03/1995 | 27/03/2002 | Dissolved |
| Architecta Ltd | 04409890 | 23/04/2004 | 10/11/2004 | Dissolved |
| H.V. SKAN LIMITED | 00996954 | 13/08/1991 | 24/02/1997 | Silver |
| INCROM (UK) LIMITED | 02791767 | 13/11/1996 | 24/02/1997 | Dissolved |
| LOH OPTICSERVICE (U.K.) LIMITED | 01519816 | 13/08/1991 | 24/02/1997 | Not Trading |
| QUARTZ RMA LIMITED | 02829289 | 13/11/1996 | 24/02/1997 | Dissolved |
| SKANTAINER LEASING LIMITED | 01891564 | 15/08/1991 | 10/05/1999 | Dissolved |