| Manufacturer | Sector | Year | Accounts type |
|---|---|---|---|
| OAK HEATING PRODUCTS LTD | Fabricated metal products | 2001 | Total exemption (full) |
| BRYNOL CHROME LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| GUARDIAN HOLDINGS LIMITED | Other manufacturing | 2008 | Small company accounts |
| GUARDIAN GLOBAL TECHNOLOGIES LIMITED | Other manufacturing | 2008 | Small company accounts |
| AMBERWELL MAINTENANCE SERVICES LIMITED | Repair and installation of machinery | 2010 | Total exemption (full) |