| P. & J. DUST EXTRACTION LIMITED | Aylesford | 1980 | Total exemption (full) |
| F3 ENGINEERING LIMITED | Craigavon | 1980 | Small company accounts |
| SEPHA LIMITED | Dundonald | 1980 | Small company accounts |
| WILLIAM COOK INTERMODAL LIMITED | Bishop Auckland | 1980 | Audit-exempt subsidiary |
| KENT PERFORMANCE CAMS LIMITED | Ashford | 1980 | Total exemption (full) |
| CLYDESDALE LIMITED | Kempston | 1980 | Total exemption (full) |
| KÖRBER TECHNOLOGIES LIMITED | Winchester | 1980 | Full accounts |
| STEWART ENERGY (INSULATION) LIMITED | Brackley | 1980 | Total exemption (full) |
| YORKSHIRE LIFTING TACKLE LIMITED | Sawbridgeworth | 1980 | Total exemption (full) |
| POWERVAC LIMITED | Glasgow | 1980 | Total exemption (full) |
| WITT GAS TECHNIQUES LIMITED | Warrington | 1980 | Small company accounts |
| HOPWOOD GEAR LIMITED | Royton | 1980 | Unaudited abridged |
| PRIOR POWER SOLUTIONS LIMITED | Great Yarmouth | 1980 | Full accounts |
| CIRCUIT ENGINEERING MARKETING COMPANY LIMITED | Petersfield | 1980 | Total exemption (full) |
| B.S.B. ENGINEERING SERVICES LIMITED | Sittingbourne, | 1980 | Full accounts |
| ENVIROTEC LIMITED | High Wycombe | 1980 | Total exemption (full) |
| YAMAZAKI MAZAK U.K. LIMITED | — | 1980 | Full accounts |
| RUBAX LIFTS LIMITED | Warrington | 1980 | Medium company accounts |
| K. & W. MECHANICAL SERVICES LIMITED | West Midlands | 1980 | Total exemption (full) |
| ECKOLD LIMITED | Coventry | 1980 | Small company accounts |
| M.C. ELECTRONICS LIMITED | Middlesex | 1980 | Total exemption (full) |
| DARG ENGINEERING LIMITED | Fraserburgh | 1980 | Total exemption (full) |
| CALDER LIMITED | Worcester | 1980 | Full accounts |
| A.M. PACKAGING LIMITED | Gainsborough | 1980 | Medium company accounts |
| HEITZ ENGINEERING LIMITED | Dereham | 1980 | Total exemption (full) |
| MORRIS LIGHT & POWER LIMITED | Shrewsbury | 1980 | Unaudited abridged |
| A.T.L. AGRICULTURAL TECHNOLOGY LIMITED | Newmarket | 1980 | Total exemption (full) |
| B.& B. ATTACHMENTS LIMITED | Cramlington | 1980 | Full accounts |
| SPECIALISED UNIT HANDLING LIMITED | Wallasey | 1980 | Total exemption (full) |
| GRANADA MATERIAL HANDLING LIMITED | Hawarden | 1980 | Full accounts |
| HAWCO LIMITED | Godalming | 1981 | Full accounts |
| TEAM SPRAYERS LIMITED | Witchford Ely | 1981 | Total exemption (full) |
| SEDCO LIMITED | Leigh | 1981 | Small company accounts |
| C-TRAK LIMITED | Leighton Buzzard | 1981 | Total exemption (full) |
| THYSSENKRUPP KRAUSE | East Grinstead | 1981 | Total exemption (full) |
| NEVILLE BARNES LIMITED | Gainsborough | 1981 | Total exemption (full) |
| REDDIROLL LIMITED | Wolverhampton | 1981 | Unaudited abridged |
| G M STEEL NEWARK LIMITED | Notts | 1981 | Audited abridged |
| FUEL CONSERVATION SERVICES LIMITED | Cannock | 1981 | Total exemption (full) |
| TORRES ENGINEERING AND PUMPS LIMITED | Sheffield | 1981 | Total exemption (full) |
| HYDRATRON LIMITED | London | 1981 | Full accounts |
| TRIDAN ENGINEERING LIMITED | Doset | 1981 | Small company accounts |
| ETHOSENERGY LIGHT TURBINES LIMITED | Lincoln | 1981 | Full accounts |
| HEWITT ROBINS INTERNATIONAL LTD | Measham | 1981 | Small company accounts |
| TECHNICAL CRANES LIMITED | Rotherham | 1981 | Full accounts |
| EVANS (STAGE & STUDIO ENGINEERING) LIMITED | Lymington | 1981 | Total exemption (full) |
| KAIL AND CO. LIMITED | — | 1981 | Total exemption (full) |
| TIOGA DESIGN SERVICES LTD | Derby | 1981 | Small company accounts |
| BILZ TOOL LIMITED | Coventry | 1981 | Small company accounts |
| M M C (EUROPE) LIMITED | Cramlington | 1981 | Total exemption (full) |
| MOTORTRONICS UK LIMITED | Ivybridge | 1981 | Small company accounts |
| PHOENIX HYDRAULIC & ELECTRICAL SERVICES LIMITED | Loughborough | 1981 | Small company accounts |
| ENDOLINE MACHINERY LIMITED | Biggleswade | 1981 | Total exemption (full) |
| HALE HAMILTON (VALVES) LIMITED | Uxbridge | 1981 | Full accounts |
| MOLLART ENGINEERING LIMITED | Elland | 1981 | Small company accounts |
| GEMU VALVES LIMITED | Warrington | 1981 | Small company accounts |
| WYMBS ENGINEERING LIMITED | Stockport | 1981 | Total exemption (full) |
| CALPEDA LIMITED | Bicester | 1981 | Small company accounts |
| GAS ARC GROUP LIMITED | Waltham Cross | 1981 | Full accounts |
| LAMOND & MURRAY LIMITED | Fife | 1981 | Small company accounts |