| LINDAL VALVE COMPANY LIMITED | Leighton Buzzard | 1959 | Full accounts |
| NEEDS LIMITED | Harlow | 1959 | Total exemption (full) |
| HOZELOCK LIMITED | Sutton Coldfield | 1959 | Full accounts |
| BRADFORD RUBBER SERVICES LIMITED | Bradford | 1959 | Total exemption (full) |
| CAMERON-PRICE LIMITED | Birmingham | 1960 | Unaudited abridged |
| HENLEYCRAFT LIMITED | Copnor | 1960 | Total exemption (full) |
| THAMES ESTUARY PLASTICS LIMITED | Southend on Sea | 1960 | Total exemption (full) |
| MEASOM FREER & COMPANY LIMITED | Wigston | 1960 | Unaudited abridged |
| EMJ PLASTICS LIMITED | Scunthorpe | 1960 | Small company accounts |
| TALBOT DESIGNS LIMITED | Finchley | 1960 | Total exemption (full) |
| BRIGHTWELL DOSING LIMITED | Newhaven | 1960 | Full accounts |
| W.CLEARY LIMITED | Wimborne | 1960 | Total exemption (full) |
| MCLAREN PLASTICS LIMITED | Midlothian | 1960 | Total exemption (full) |
| ABB CABLE MANAGEMENT PRODUCTS LIMITED | Warrington | 1960 | Full accounts |
| SINCLAIR & RUSH LIMITED | St Lawrence Avenue,maidstone | 1960 | Small company accounts |
| MASEFIELD-BETA LTD | Dudley | 1961 | Total exemption (full) |
| MAIDEN CASTLE SERVICE STATION LIMITED | Upway | 1961 | Total exemption (full) |
| KIMLYN PRODUCTS LIMITED | Tamworth | 1961 | Total exemption (full) |
| WHS PLASTICS LIMITED | Sutton Coldfield | 1961 | Full accounts |
| FLUOROCARBON LIMITED | Stevenage | 1961 | Small company accounts |
| PURFLUX FILTRATION LIMITED | Tredegar | 1961 | Full accounts |
| TURFORD BROS LIMITED | West Mids. | 1961 | Total exemption (full) |
| INSTALLATION & MANUFACTURING CONTRACTORS LIMITED | Darlington | 1961 | Total exemption (full) |
| REHAU LIMITED | Ross on Wye Herefordshire | 1962 | Group accounts |
| STANLEY PLASTICS LIMITED | Midhurst | 1962 | Total exemption (full) |
| WYE VALLEY PRECISION ENGINEERING (HOLDINGS) LIMITED | Herefordshire | 1962 | Unaudited abridged |
| THOMAS DUDLEY GROUP LIMITED | Dudley | 1962 | Full accounts |
| THREDGARDS LIMITED | Brentford | 1962 | Unaudited abridged |
| D. P. SEALS LIMITED | Poole | 1962 | Full accounts |
| OWEN GREENINGS & MUMFORD LIMITED | Kidlington | 1962 | Group accounts |
| APL PLASTICS LIMITED | Basingstoke | 1962 | Total exemption (full) |
| POLYFLOR LIMITED | Manchester | 1962 | Full accounts |
| PLASTIC EXTRUDERS LIMITED | Essex | 1962 | Group accounts |
| AVICRAFT LIMITED | Bromley | 1963 | Total exemption (full) |
| E DOBSON & COMPANY (GASKETS) LIMITED | Keighley | 1963 | Total exemption (full) |
| KINPARS INDUSTRIAL PLASTICS LIMITED | Scottish Borders | 1963 | Total exemption (full) |
| MILLFIELD ENTERPRISES LIMITED | Shelley R, Newcastle upon Tyne | 1963 | Total exemption (full) |
| CAVITY TRAYS LIMITED, | Corsham | 1963 | Unaudited abridged |
| H. SMITH PLASTICS LIMITED | Wickford | 1963 | Total exemption (full) |
| SCIENTIFIC SERVICES (PAISLEY) LIMITED | Dunfermline | 1963 | Total exemption (full) |
| PLASTIC MOULDINGS LIMITED | Leeds | 1963 | Unaudited abridged |
| J.THWAITES LIMITED | Dewsbury | 1963 | Total exemption (full) |
| ARTHUR E.MASON LIMITED | Hailsham | 1963 | Small company accounts |
| SPEL PRODUCTS | Shrewsbury | 1964 | Full accounts |
| G.S.W.PLASTICS LIMITED | Mossley | 1964 | Total exemption (full) |
| JSP LIMITED | Cheltenham | 1964 | Group accounts |
| BUTTERFIELD NEON SERVICE LIMITED | — | 1964 | Total exemption (full) |
| DESCH PLANTPAK LIMITED | Maldon | 1964 | Small company accounts |
| S.B.WESTON LIMITED | Middlesex | 1964 | Total exemption (full) |
| REFLEX FLEXIBLE PACKAGING LIMITED | Mansfield | 1964 | Full accounts |
| VICRAPORE LIMITED | West Kilbride | 1964 | Total exemption (full) |
| WESTLEY PLASTICS LIMITED | West Midlands | 1964 | Full accounts |
| H.S.BASSETT & SON LIMITED | Enterprise Park | 1964 | Total exemption (full) |
| JAMES YOUNG ENGINEERING LIMITED | Rutherglen | 1964 | Total exemption (full) |
| J.G. COATES (BURNLEY) LIMITED | Burnley | 1964 | Total exemption (full) |
| TYREZ LIMITED | Grantham | 1964 | Total exemption (full) |
| R.A.LABONE & CO LIMITED | Ilkeston | 1965 | Full accounts |
| MUNSTER SIMMS ENGINEERING LIMITED | Bangor | 1965 | Full accounts |
| LEEDUM LIMITED | Eyam | 1965 | Total exemption (full) |
| WELDBANK PLASTIC COMPANY LIMITED | Preston | 1965 | Unaudited abridged |