| MOLESEY METAL WORKS LIMITED | West Molesey | 1958 | Total exemption (full) |
| GU CUTTING AND GRINDING SERVICES LIMITED | Stockport | 1958 | Total exemption (full) |
| DALE & COMPANY (ANCOATS) LIMITED | Sheffield | 1958 | Total exemption (full) |
| PRECISE ELECTRO-PLATING WORKS LIMITED | Southampton | 1958 | Total exemption (full) |
| BROMA ART ENAMELLERS LIMITED | Basildon | 1958 | Total exemption (full) |
| TERRY GREGORY METAL FABRICATIONS LIMITED | London | 1958 | Total exemption (full) |
| KNEES ENGINEERING LIMITED | Trowbridge | 1958 | Small company accounts |
| THOMAS HIRST AND SON LIMITED | Hants | 1958 | Total exemption (full) |
| WEIR STREET LIGHT ENGINEERING COMPANY LIMITED | Lancashire | 1958 | Total exemption (full) |
| SERVIS HEAT TREATMENT CO.LIMITED | Slough | 1958 | Total exemption (full) |
| BRITISH METAL TREATMENTS LIMITED | Great Yarmouth | 1958 | Total exemption (full) |
| ABBEY METAL FINISHING COMPANY LIMITED | Hinckley | 1958 | Total exemption (full) |
| JOHN REID & SONS(STRUCSTEEL)LIMITED | Dorset | 1958 | Medium company accounts |
| C. & S. (PORT TALBOT) LIMITED | Neath | 1959 | Total exemption (full) |
| ROLLS-ROYCE SUBMARINES LIMITED | Derby | 1959 | Full accounts |
| KINGSWINFORD ENGINEERING COMPANY LIMITED | Dudley | 1959 | Total exemption (full) |
| HPC PUBLIC LIMITED COMPANY | West Sussex | 1959 | Full accounts |
| HODGE CLEMCO LIMITED | Sheffield | 1959 | Full accounts |
| D.K. HOLDINGS LIMITED | Tonbridge | 1959 | Full accounts |
| C.CRIPPS & SON LIMITED | Middlesex | 1959 | Total exemption (full) |
| HARTHILL DEVELOPMENTS LIMITED | Sheffield | 1959 | Total exemption (full) |
| BUTTERWORTHS (REGIA) LIMITED | Kent | 1959 | Total exemption (full) |
| REEVE METAL FINISHING CO. LIMITED(THE) | West Midlands | 1959 | Total exemption (full) |
| WALLWORK HEAT TREATMENT LIMITED | Lancashire | 1959 | Full accounts |
| WOODS AND HUGHES(BOLTS AND SCREWS)LIMITED | Birmingham | 1959 | Small company accounts |
| REWARD MANUFACTURING COMPANY LIMITED | Keighley | 1959 | Total exemption (full) |
| RIMEX METALS (U.K.) LIMITED | Enfield | 1959 | Full accounts |
| METAL PROCESSES (1959) LIMITED | Bloxwich | 1959 | Unaudited abridged |
| WHITEHOUSE GROUP HOLDINGS LIMITED | Redditch | 1960 | Total exemption (full) |
| ADELAIDE ENGINEERING COMPANY LIMITED | Walsall | 1960 | Audit-exempt subsidiary |
| B.E. STANNARD ENGINEERS LIMITED | Dagenham | 1960 | Total exemption (full) |
| FREEMAN & PARDOE LIMITED | Warwickshire | 1960 | Total exemption (full) |
| PURMO GROUP (UK) LTD | Gateshead | 1960 | Full accounts |
| A.& E.SQUIRE LIMITED | Willenhall | 1960 | Total exemption (full) |
| WALKER & PARTNERS LIMITED | Chesterfield | 1960 | Total exemption (full) |
| POWRMATIC LIMITED | Walsall | 1960 | Full accounts |
| NORMEC(MANCHESTER)LIMITED | Oldham | 1960 | Total exemption (full) |
| CHARLES KENDREW (METALWORKERS) LIMITED | North Yorkshire | 1960 | Total exemption (full) |
| ARDEN CONTINENTAL CAR ACCESSORY COMPANY LIMITED | Birmingham | 1960 | Total exemption (full) |
| PRINTMET LIMITED | Penarth | 1960 | Total exemption (full) |
| K.AND A.FURNESS LIMITED | Manchester | 1960 | Total exemption (full) |
| BERNARD HOLMES PRECISION LIMITED | Sleaford | 1960 | Total exemption (full) |
| CANNON ELECTRONICS & AUTOMATION LIMITED | Harlow | 1960 | Total exemption (full) |
| MALDON MARINE LIMITED | Maldon | 1960 | Total exemption (full) |
| COTTENDEN LIMITED | Bedfordshire | 1960 | Total exemption (full) |
| OERLIKON BALZERS COATING UK LIMITED | Milton Keynes | 1960 | Full accounts |
| FORTH ENGINEERING LIMITED | Sutton Coldfield | 1960 | Small company accounts |
| HOLT BROTHERS (HORWICH) LIMITED | Horwich | 1960 | Total exemption (full) |
| R.E. BOWERS & FREEMAN LIMITED | Leicester | 1960 | Total exemption (full) |
| SPIROL INDUSTRIES LIMITED | Corby | 1960 | Full accounts |
| METAPIC LIMITED | Chesterfield | 1960 | Unaudited abridged |
| HOLMAN ENGINEERING CO. LIMITED | Woking | 1960 | Total exemption (full) |
| CON MECH ENGINEERS LIMITED | Stanley | 1960 | Small company accounts |
| BETHEL RHODES & SONS (WIREWORKERS) LIMITED | — | 1960 | Unaudited abridged |
| T.& K.PRECISION LIMITED | Northampton | 1961 | Total exemption (full) |
| FSG TOOL & DIE LIMITED | Mid Glamorgan | 1961 | Medium company accounts |
| CROFT MOTORS LIMITED | Nottingham | 1961 | Unaudited abridged |
| HOLDSWORTH VENTILATIONS LIMITED | Stoke-on-Trent | 1961 | Total exemption (full) |
| R. J. EDWARDS & COMPANY (ENGINEERS) LIMITED | Merseyside | 1961 | Total exemption (full) |
| ALBION MANUFACTURING LTD | Norwich | 1961 | Total exemption (full) |