| A & P FALMOUTH LIMITED | Repair and installation of machinery | 1909 | Full accounts |
| COTTAM BRUSH LTD | Other manufacturing | 1946 | Total exemption (full) |
| CURTIS INSTRUMENTS (U.K.) LIMITED | Computers, electronics and optics | 1974 | Group accounts |
| AFL ENGINEERING (N.E) LIMITED | Fabricated metal products | 1991 | Total exemption (full) |
| D W H ENGINEERING LIMITED | Fabricated metal products | 1993 | Total exemption (full) |
| STUART OWEN NORTON GLASS & SIGN LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| ELITE ENCLOSURES AND FABRICATIONS LIMITED | Fabricated metal products | 1996 | Total exemption (full) |
| A H ENGINEERING (NORTH EAST) LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| HASTINGS METAL FINISHERS LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| A&P GH 2006 LIMITED | Repair and installation of machinery | 2001 | Full accounts |
| A&P TYNE LIMITED | Repair and installation of machinery | 2004 | Full accounts |
| INDUSTRIAL TEMPERATURE SENSORS & HEATING ELEMENTS LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| P J ELECTRONIC SERVICES LIMITED | Computers, electronics and optics | 2005 | Total exemption (full) |
| A&P GROUP LIMITED | Repair and installation of machinery | 2006 | Group accounts |
| ACT UK GROUP LTD | Machinery and equipment | 2006 | Total exemption (full) |
| BONDCHEM LIMITED | Chemicals | 2008 | Total exemption (full) |