| Manufacturer | Sector | Year | Accounts type |
|---|---|---|---|
| TESCON PROCESS ENGINEERING LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| GPK SERVICES LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| BT MARINE PROPELLERS LIMITED | Ships, aircraft, rail and other transport | 2003 | Total exemption (full) |
| A.R. THORNE MEMORIALS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| S & G MACHINERY LTD | Repair and installation of machinery | 2005 | Total exemption (full) |