| H.M.T. PLASTICS LIMITED | Uckfield | 1976 | Total exemption (full) |
| POLYCLEAR LIMITED | Southampton | 1976 | Unaudited abridged |
| RAYDA PLASTICS LIMITED | Cullompton | 1976 | Total exemption (full) |
| SPECIALIST BUILDING PRODUCTS LIMITED | Solihull | 1976 | Full accounts |
| D.T. INDUSTRIES LIMITED | Thorne | 1976 | Total exemption (full) |
| MERIDIAN TYRE REPAIR COMPANY LIMITED | Bristol | 1976 | Total exemption (full) |
| B. U. INDUSTRIAL COMPONENTS LIMITED | Telford | 1976 | Total exemption (full) |
| CUSTOMPAC LIMITED | Castleford | 1976 | Total exemption (full) |
| MABRON PLASTICS LIMITED | Blackburn | 1976 | Total exemption (full) |
| TARKETT LIMITED | Ashford | 1976 | Full accounts |
| MEP LTD | Aylesford | 1976 | Total exemption (full) |
| PLASBRUN PLASTICS ENGINEERING LIMITED | Cannock | 1976 | Total exemption (full) |
| HILCREST DESIGN LIMITED | Essex | 1976 | Total exemption (full) |
| THERMOGRAVE LIMITED | Leicester | 1976 | Total exemption (full) |
| BUTTERFIELD SIGN SERVICE LIMITED | West Yorkshire | 1976 | Total exemption (full) |
| TEX PLASTICS LTD | Ipswich | 1976 | Full accounts |
| CHEMIPAT LIMITED | Salford | 1976 | Total exemption (full) |
| TYNE MOULDS & MACHINERY COMPANY LIMITED | Wallsend | 1976 | Total exemption (full) |
| RUNFOLD PLASTICS LIMITED | Hampshire | 1976 | Total exemption (full) |
| PHASE 3 PLASTICS LIMITED | Southampton | 1976 | Total exemption (full) |
| ELLIS PATENTS LIMITED | Malton | 1977 | Full accounts |
| SPICGEM LIMITED | Olney | 1977 | Medium company accounts |
| J.W. CHALLIS & CO. LIMITED | Ramsgate | 1977 | Total exemption (full) |
| POLYFORMES LIMITED | Coventry | 1977 | Audit-exempt subsidiary |
| MCL INDUSTRIAL ENCLOSURES LTD | Stoke-on-Trent | 1977 | Small company accounts |
| UNISTYLE PLASTICS (ENGINEERING) LIMITED | Cannock | 1977 | Total exemption (full) |
| SANGENIC INTERNATIONAL LTD. | Newcastle upon Tyne | 1977 | Audit-exempt subsidiary |
| VIOMEDEX LIMITED | Croydon | 1977 | Audit-exempt subsidiary |
| ADRECO LIMITED | Milton Keynes | 1977 | Total exemption (full) |
| FIRTH BUILDINGS (SCOTLAND) LIMITED | Fife | 1977 | Total exemption (full) |
| CONTARPS (NORTH WEST) LIMITED | Hyde | 1977 | Total exemption (full) |
| TAYLOR ENGINEERING & PLASTICS LIMITED | Lancs | 1977 | Full accounts |
| MOORES (EVIC) GLASSWORKS LIMITED | London | 1977 | Total exemption (full) |
| DENNIS D. EVANS & CO. (N.I.) LIMITED | Carryduff | 1977 | Unaudited abridged |
| C.J. MACHINE SERVICES LIMITED | Walsall | 1977 | Total exemption (full) |
| CHICK PLASTICS LIMITED | Leicester | 1977 | Total exemption (full) |
| NORSE PRECISION CASTINGS LIMITED | Bedford | 1977 | Total exemption (full) |
| G T S FLEXIBLE MATERIALS LIMITED | Ebbw Vale | 1977 | Full accounts |
| KINGSLEY PLASTICS LIMITED | Winkleigh | 1977 | Total exemption (full) |
| JAMAK FABRICATION EUROPE LIMITED | Manchester | 1977 | Small company accounts |
| PLASTUBE LIMITED | Stalybridge | 1977 | Total exemption (full) |
| PRECISION MOULDED PRODUCTS (ESSEX) LIMITED | Great Dunmow | 1977 | Total exemption (full) |
| CAMPLAS TECHNOLOGY LTD. | Pen-Y-Fai | 1978 | Total exemption (full) |
| JEFF TOWNSLEY LIMITED | Newton Abbot | 1978 | Total exemption (full) |
| BANDVULC TYRES LTD | Ivybridge | 1978 | Full accounts |
| MOULDS, PATTERNS AND MODELS LIMITED | Leeds | 1978 | Total exemption (full) |
| KEITH PAYNE PRODUCTS LIMITED | Bordon | 1978 | Total exemption (full) |
| ANCHOR MARINE PLASTICS LIMITED | Chobham | 1978 | Total exemption (full) |
| WHITEFURZE LIMITED | Coventry | 1978 | Medium company accounts |
| BUTSER RUBBER LIMITED | Liss | 1978 | Total exemption (full) |
| ACCUMA PLASTICS LIMITED | Corby, | 1978 | Group accounts |
| PENTAGON PLASTICS LIMITED | West Sussex | 1978 | Total exemption (full) |
| TELEGAN PRESSED PRODUCTS LTD | Barnet | 1978 | Total exemption (full) |
| AIS SUBSEA LIMITED | Gloucester | 1978 | Full accounts |
| FRANK MERCER & SONS LIMITED | Chequerbent Westhoughton | 1978 | Full accounts |
| BOB HEATH VISORS LIMITED | — | 1978 | Total exemption (full) |
| BISCHOF & KLEIN (UK) LIMITED | Telford | 1978 | Full accounts |
| APOLLO PLASTICS LIMITED | Gateshead | 1978 | Total exemption (full) |
| DENROY LIMITED | Co. Down | 1978 | Full accounts |
| AEROPLAS (U.K.) LIMITED | Tipton | 1978 | Medium company accounts |