| Manufacturer | Sector | Year | Accounts type |
|---|---|---|---|
| MARSHALL AMPLIFICATION PLC | Electrical equipment | 1964 | Full accounts |
| YOKOHAMA H.P.T. LIMITED | Rubber and plastics | 1988 | Full accounts |
| DNH WORLD-WIDE LIMITED | Computers, electronics and optics | 1993 | Total exemption (full) |
| DOWDING PRECISION CNC LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| BRIDEN INDUSTRIAL ENAMELLERS LIMITED | Other manufacturing | 2002 | Total exemption (full) |