| W.L. DUFFIELD & SONS LIMITED | Food products | 1936 | Full accounts |
| DUFFIELDS MILLS LIMITED | Food products | 1962 | Group accounts |
| MORTIMER'S (YEOVIL) LIMITED | Food products | 1964 | Total exemption (full) |
| THE ILCHESTER CHEESE CO. LTD. | Food products | 1965 | Full accounts |
| TURNSPEED PRECISION ENGINEERING COMPANY LIMITED | Fabricated metal products | 1980 | Full accounts |
| KOLLER ENGINEERING LIMITED | Ships, aircraft, rail and other transport | 1981 | Total exemption (full) |
| WH LONGMAN & SONS (FARMHOUSE CHEESEMAKERS) LIMITED | Food products | 1983 | Total exemption (full) |
| YEOVIL CIRCUITS LIMITED | Computers, electronics and optics | 1983 | Total exemption (full) |
| LINCREAL PRECISION ENGINEERING LIMITED | Fabricated metal products | 1989 | Total exemption (full) |
| DUFFIELDS (SOUTH WEST) LIMITED | Food products | 1992 | Full accounts |
| YMT LIMITED | Repair and installation of machinery | 1992 | Full accounts |
| HALSTOCK CABINET MAKERS LTD | Furniture | 1994 | Full accounts |
| DENHOLM UNIVERSAL LIMITED | Other manufacturing | 1999 | Small company accounts |
| OCTAVO DIRECT IMAGE LIMITED | Printing and recorded media | 2000 | Total exemption (full) |
| ELITE ELECTRIX LIMITED | Repair and installation of machinery | 2000 | Total exemption (full) |
| S & S SHEET METAL LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| JOHN BURTON & SONS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| VANBUS LIMITED | Ships, aircraft, rail and other transport | 2003 | Unaudited abridged |
| STS (YEOVIL) LTD | Fabricated metal products | 2004 | Unaudited abridged |
| LEISURE CONTROLS INTERNATIONAL LIMITED | Computers, electronics and optics | 2004 | Total exemption (full) |
| LABTEK SERVICES LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| SYCAMORE PROCESS ENGINEERING LIMITED | Machinery and equipment | 2005 | Full accounts |
| A V OPTICS LIMITED | Computers, electronics and optics | 2005 | Total exemption (full) |
| J R BAKER ENGINEERING LIMITED | Fabricated metal products | 2006 | Total exemption (full) |
| COCOPAC LIMITED | Paper and paperboard | 2008 | Total exemption (full) |
| G2 METRIC LIMITED | Repair and installation of machinery | 2009 | Total exemption (full) |