| E.POPPLETON & SON LIMITED | North Wales | 1961 | Total exemption (full) |
| RLM PACKAGING LIMITED | Hull | 1961 | Total exemption (full) |
| SURELOCK MCGILL LIMITED | Wokingham | 1961 | Group accounts |
| BROOKE AIR DIFFUSION LIMITED | Wickford | 1961 | Small company accounts |
| GALLOWAY GROUP LTD. | Glasgow | 1961 | Full accounts |
| G.W.MARTIN & CO.LIMITED | Eastleigh | 1961 | Total exemption (full) |
| ROBERT WELCH DESIGNS LIMITED | Chipping Campden | 1961 | Full accounts |
| POWELL GEE LIMITED | Banbury | 1961 | Small company accounts |
| LEONARD BOWES (ENGINEERING) COMPANY LIMITED | Brierley Hill | 1961 | Total exemption (small) |
| RHH FRANKS LIMITED | New Milton | 1961 | Total exemption (full) |
| F.HALL (GUNMAKERS) LTD. | Chesterfield | 1961 | Unaudited abridged |
| BEDFORD ENGINEERING CO.(MANCHESTER)LIMITED | Stockport | 1961 | Total exemption (full) |
| JAMES BLAKE & CO (ENGINEERS) LIMITED | Edinburgh | 1961 | Total exemption (full) |
| R.E.V. GOMM LIMITED | Birmingham | 1961 | Total exemption (full) |
| ALROY SHEET METALS LIMITED | Stevenage | 1961 | Total exemption (full) |
| DUNCAN-LYNCH PRECISION TOOLS LIMITED | Wokingham | 1961 | Total exemption (full) |
| VAUGHAN JONES SOCKET SCREWS LIMITED | Leeds | 1961 | Total exemption (full) |
| O.T.M.SERVO MECHANISM LIMITED | Surrey | 1961 | Audit-exempt subsidiary |
| ULTRA-PRECISION PRODUCTS LIMITED | Suffolk | 1961 | Total exemption (full) |
| STANDISH ENGINEERING CO. LIMITED | Wigan | 1961 | Total exemption (full) |
| A.M.PHILPOT(HARD CHROME)LIMITED | Cradock Road, Luton | 1961 | Total exemption (full) |
| INSTRUMENT MACHINING SERVICE LIMITED | Norfolk | 1961 | Total exemption (full) |
| J.HIPWELL & SON LIMITED | Birmingham | 1961 | Total exemption (full) |
| COGSDILL-NUNEATON, LIMITED | Nuneaton | 1961 | Small company accounts |
| LANGTONS (NORTHALLERTON) LIMITED | North Yorkshire | 1961 | Small company accounts |
| HARSCO METALS GROUP LIMITED | London | 1961 | Full accounts |
| METAL DRUM COMPANY LIMITED(THE) | Co Durham | 1961 | Full accounts |
| FGC MANUFACTURING LIMITED | Bolton | 1961 | Total exemption (full) |
| FOWLER'S OF BRISTOL (ENGINEERS) LIMITED | Bristol | 1961 | Total exemption (full) |
| TERRASPAN PIPE FITTINGS LIMITED | Birmingham | 1961 | Total exemption (full) |
| V.S.N.(STEELS)LIMITED | Birmingham | 1961 | Unaudited abridged |
| UNI-TRUNK LIMITED | Lisburn | 1961 | Full accounts |
| TEKNEQUIP LIMITED | Doncaster | 1961 | Small company accounts |
| A.A. BROWN ENGINEERING LTD | Leicestershire | 1961 | Total exemption (full) |
| J.WAREING & SON (WREA GREEN) LIMITED | Preston | 1961 | Full accounts |
| A.C.BACON ENGINEERING LIMITED | Norwich | 1961 | Full accounts |
| TROX UK LIMITED | Norfolk | 1962 | Full accounts |
| WYLIE-REDMAN (MOULDS) LIMITED | Glasgow | 1962 | Small company accounts |
| CONWAY PRECISION ENGINEERING GROUP LIMITED | Birmingham | 1962 | Total exemption (full) |
| LEBUS INTERNATIONAL ENGINEERS LIMITED | Thornton-Cleveleys | 1962 | Small company accounts |
| SIMON AND DEAN LIMITED | Wednesbury | 1962 | Total exemption (full) |
| EGBERT H. TAYLOR & COMPANY LIMITED | Droitwich | 1962 | Small company accounts |
| MINNITRON LIMITED | Ramsgate | 1962 | Total exemption (full) |
| ALDERSONS(ENGINEERING)LIMITED | Merseyside | 1962 | Total exemption (full) |
| SERTEC AUTO STRUCTURES (UK) LIMITED | Birmingham | 1962 | Full accounts |
| TYLER BROS. LIMITED | Kirkby-in-Ashfield | 1962 | Total exemption (full) |
| BIGHEAD BONDING FASTENERS LIMITED | Verwood | 1962 | Small company accounts |
| C. NORRIS (SPRING SPECIALISTS) LIMITED | Milnrow Rochdale | 1962 | Small company accounts |
| E.S.L.ENGINEERS(BASILDON)LIMITED | London | 1962 | Total exemption (full) |
| LEWIS & RABY (ENGINEERS) LIMITED | Liverpool | 1962 | Total exemption (full) |
| ARCH MOTOR & MANUFACTURING CO. LIMITED | Huntingdon | 1962 | Total exemption (full) |
| C.B.TOOL ENGINEERS (CAMBRIDGE) LIMITED | Peterborough | 1962 | Total exemption (full) |
| J HARPER & SONS (WELDING FABRICATIONS) LIMITED | Walsall | 1962 | Total exemption (full) |
| FRIARDOWN LIMITED | Halesowen | 1962 | Total exemption (full) |
| WEST MIDLANDS FOUNDRY CO. LIMITED | West Midlands | 1962 | Total exemption (full) |
| PENDRY & SON (ADDLESTONE) LIMITED | Whiteley | 1962 | Total exemption (full) |
| NARLA ENGINEERING & IMPORTS LIMITED | Leeds | 1962 | Total exemption (full) |
| HANCOCK & SELL LIMITED | Dorking | 1962 | Total exemption (full) |
| APEX DIAMOND PRODUCTS LIMITED | Worcs. | 1962 | Total exemption (full) |
| FRANKHAM BROS LIMITED | Leicester | 1962 | Total exemption (full) |