| AVONWOOD DEVELOPMENTS LIMITED | Wimborne | 1990 | Total exemption (full) |
| THE BRITISH ROTOTHERM COMPANY LIMITED | West Glamorgan | 1990 | Medium company accounts |
| NASA MARINE LIMITED | Letchworth Garden City | 1990 | Total exemption (full) |
| AXLE WEIGHT TECHNOLOGY LIMITED | Runcorn | 1991 | Total exemption (full) |
| EQUIPMENT SUPPORT COMPANY LIMITED | Huntingdon | 1991 | Total exemption (full) |
| HOYLES ELECTRONIC DEVELOPMENTS LIMITED | Rainford St Helens | 1991 | Total exemption (full) |
| LLOREL LIMITED | Filey | 1991 | Unaudited abridged |
| THE OPTOELECTRONIC MANUFACTURING CORPORATION (UK) LIMITED | Redruth | 1991 | Total exemption (full) |
| S & M ELECTRONICS LIMITED | Manchester | 1991 | Unaudited abridged |
| ACCEL POWER SUPPLIES LIMITED | West Sussex | 1991 | Total exemption (full) |
| LCA GROUP LIMITED | Deeside | 1991 | Small company accounts |
| ASCOTT ANALYTICAL EQUIPMENT LIMITED | Tamworth | 1991 | Small company accounts |
| RADIOMETER LIMITED | Crawley | 1991 | Full accounts |
| ARBARR ELECTRONICS LIMITED | — | 1991 | Total exemption (full) |
| VISHAY MEASUREMENTS GROUP UK LIMITED | Hants | 1991 | Small company accounts |
| CAMBERTRONICS LIMITED | Cranleigh | 1991 | Small company accounts |
| PSU DESIGNS LIMITED | Tipton | 1991 | Total exemption (full) |
| WINTER AND SMITH (ELECTRONICS) LIMITED | Gillingham | 1991 | Total exemption (full) |
| WRX EYEWORKS LIMITED | Belfast | 1991 | Unaudited abridged |
| NOVATECH LIMITED | Portsmouth | 1991 | Full accounts |
| M.F.D. CAPACITORS (1991) LIMITED | Wrexham | 1991 | Total exemption (full) |
| TEXCEL TECHNOLOGY PLC | Kent | 1991 | Full accounts |
| TECNICA EUROPE LIMITED | Yelverton | 1991 | Total exemption (full) |
| THE EUROTECH GROUP PLC | Exmouth | 1991 | Group accounts |
| ALARM RADIO MONITORING LIMITED | Leominster | 1991 | Total exemption (full) |
| PYROMETER SYSTEMS LIMITED | Stockport | 1991 | Total exemption (full) |
| OMATICS LIMITED | Croydon | 1991 | Unaudited abridged |
| AQUAMATIC LIMITED | Manchester | 1991 | Total exemption (full) |
| HANLEY TECHNOLOGY LIMITED | Perth | 1991 | Unaudited abridged |
| VJ TECH LIMITED | Altrincham | 1991 | Small company accounts |
| BARNES INTERNATIONAL LIMITED | Droxford | 1991 | Total exemption (full) |
| METROSOL LIMITED | Southport | 1991 | Total exemption (full) |
| SCAN COMPUTERS INTERNATIONAL LIMITED | Lancs | 1991 | Full accounts |
| BRIGHTON SYSTEMS LIMITED | Sussex | 1991 | Total exemption (full) |
| PICO TECHNOLOGY LIMITED | St Neots | 1991 | Medium company accounts |
| CONTROLLED ELECTRONIC MANAGEMENT SYSTEMS LIMITED | — | 1991 | Full accounts |
| BRANDYWINE COMMUNICATIONS UK LTD | Colchester | 1991 | Unaudited abridged |
| POWER ELECTRONIC MEASUREMENTS LIMITED | Nottingham | 1991 | Small company accounts |
| VMC (UK) LIMITED | Southam | 1991 | Total exemption (full) |
| PERIPHERAL VISION (TECHNOLOGY) LIMITED | Aldermaston | 1991 | Total exemption (full) |
| GAS DATA LIMITED | Coventry | 1991 | Small company accounts |
| PHOTEK LIMITED | St. Leonards-on-Sea | 1991 | Small company accounts |
| KORE TECHNOLOGY LIMITED | Cambridgeshire | 1991 | Small company accounts |
| NEMACOM LIMITED | Lichfield | 1991 | Total exemption (full) |
| INFORMATIC COMPONENT TECHNOLOGY LIMITED | Farnham | 1991 | Total exemption (full) |
| PARAGON ELECTRONICS LIMITED | Bedford | 1991 | Small company accounts |
| MASTERTIME LIMITED | Tetbury | 1991 | Total exemption (full) |
| SAFE TRAINING SYSTEMS LIMITED | Wokingham | 1991 | Total exemption (full) |
| SYSTEMBASE LIMITED | Warminster | 1991 | Total exemption (full) |
| KIOSKS4BUSINESS LTD | Reading | 1991 | Total exemption (full) |
| STONE TECHNOLOGIES LIMITED | Stafford | 1991 | Full accounts |
| LIDCO GROUP LIMITED | London | 1991 | Full accounts |
| RWC TECHNOLOGY LIMITED | East Sussex | 1991 | Total exemption (full) |
| AGD SYSTEMS LIMITED | Cheltenham | 1991 | Medium company accounts |
| SOUTHSYSTEM MANUFACTURING LIMITED | Beech Hill | 1991 | Total exemption (full) |
| A. & R. ELECTRONIC DEVELOPMENTS LIMITED | Cannock | 1991 | Total exemption (full) |
| ANAESTHESIA TECHNOLOGY LIMITED | Leeds | 1992 | Total exemption (full) |
| NDSL LIMITED | Milton Keynes | 1992 | Small company accounts |
| GM INSTRUMENTS LIMITED | Irvine | 1992 | Total exemption (full) |
| HUMANWARE EUROPE LTD | Rushden | 1992 | Full accounts |