| ABACO SYSTEMS LIMITED | Leicester | 1987 | Full accounts |
| DACO SCIENTIFIC LIMITED | Aldermaston | 1987 | Group accounts |
| MEINERS D.E.L. LIMITED | Bala | 1987 | Total exemption (full) |
| SPRINT ELECTRIC LIMITED | Arundel | 1987 | Total exemption (full) |
| P.I. LOGIC LIMITED | Whitland | 1987 | Unaudited abridged |
| TT ELECTRONICS IGT LIMITED | Eastleigh | 1987 | Full accounts |
| OIL & GAS SYSTEMS LIMITED | Ely | 1987 | Medium company accounts |
| TRIO MOTION TECHNOLOGY LIMITED | Tewkesbury | 1987 | Full accounts |
| PETARDS JOYCE-LOEBL LIMITED | Tyne and Wear | 1987 | Full accounts |
| SERVOMEX GROUP LIMITED | Crowborough | 1987 | Full accounts |
| SUNA SUPPLIES LIMITED | Surbiton | 1987 | Unaudited abridged |
| PRECIA-MOLEN UK LIMITED | Solihull | 1987 | Medium company accounts |
| TECHNOGRAPH MICROCIRCUITS LIMITED | Portsmouth | 1987 | Total exemption (full) |
| PHASE ONE ELECTRONICS LIMITED | Portsmouth | 1987 | Total exemption (full) |
| MOULDED CIRCUITS LIMITED | Leicester | 1987 | Total exemption (full) |
| CINCH CONNECTORS LIMITED | Nottinghamshire | 1987 | Full accounts |
| LEVEL DEVELOPMENTS LIMITED | Croydon | 1987 | Total exemption (full) |
| SCOTLENS LIMITED | Linlithgow | 1987 | Small company accounts |
| TURNKEY INSTRUMENTS LIMITED | Mart Lane Burscough | 1987 | Total exemption (full) |
| SEACOUSTICS LIMITED | Selborne, Alton | 1987 | Total exemption (full) |
| MILMEGA LIMITED | Leicester | 1987 | Small company accounts |
| ORION PROJECTS LIMITED | Cornwall | 1987 | Total exemption (full) |
| SMITH MYERS COMMUNICATIONS LTD | Biggleswade | 1987 | Small company accounts |
| DIA-STRON LIMITED | London | 1987 | Small company accounts |
| GURALP SYSTEMS LIMITED | Reading | 1987 | Full accounts |
| GENPART (UK) LIMITED | King’s Lynn | 1987 | Total exemption (full) |
| OZARK ENTERPRISES LIMITED | Oldham | 1987 | Total exemption (full) |
| ABER INSTRUMENTS LIMITED | Aberystwyth | 1988 | Medium company accounts |
| STORTECH ELECTRONICS LIMITED | Guildford | 1988 | Audit-exempt subsidiary |
| CC ELECTRONICS EUROPE LIMITED | Winsford | 1988 | Small company accounts |
| LAPLACE INSTRUMENTS LIMITED | North Walsham | 1988 | Total exemption (full) |
| SYSTEM 'H' ENGINEERING LIMITED | Holmfirth | 1988 | Total exemption (full) |
| CAMNTECH LIMITED | Huntingdon | 1988 | Total exemption (full) |
| ESKAN ELECTRONICS LIMITED | Greenford | 1988 | Total exemption (full) |
| B & R INDUSTRIAL AUTOMATION LIMITED | Peterborough | 1988 | Full accounts |
| GN AUDIO UK LIMITED | Langley | 1988 | Full accounts |
| OVERVIEW LIMITED | Woking | 1988 | Small company accounts |
| DELPH MEDICAL PRODUCTS LIMITED | Leicester | 1988 | Total exemption (full) |
| ARTISTIC LICENCE ENGINEERING LIMITED | Newton Abbot | 1988 | Small company accounts |
| FUJIKURA EUROPE LIMITED | Chessington | 1988 | Full accounts |
| NORTHERN DESIGN (ELECTRONICS) LIMITED | Bradford | 1988 | Total exemption (full) |
| HORIBA UK LIMITED | Northampton | 1988 | Full accounts |
| COMPUTER MONITORING AND CONTROL LIMITED | Manchester | 1988 | Unaudited abridged |
| TOPLIGHT LIMITED | Dunstable | 1988 | Total exemption (full) |
| LINTRON ELECTRONICS LIMITED | Ashington | 1988 | Total exemption (full) |
| COMPUTER SYSTEMS UK LTD. | Bishops Stortford | 1988 | Total exemption (full) |
| AKHTER COMPUTERS LIMITED | Harlow | 1988 | Full accounts |
| S & H SYSTEMS DESIGN AND INSTALLATION LIMITED | Cannock | 1988 | Unaudited abridged |
| ACTIVE SILICON LIMITED | Redditch | 1988 | Total exemption (full) |
| PURETECH PROCESS SYSTEMS LIMITED | Salfords | 1988 | Small company accounts |
| PROMTEK LIMITED | Stoke-on-Trent | 1988 | Total exemption (full) |
| T. M. ELECTRONICS (U.K.) LIMITED | Worthing | 1988 | Total exemption (full) |
| VOESTALPINE SIGNALING UK LTD. | Fareham | 1988 | Small company accounts |
| GILL INSTRUMENTS LIMITED | Exeter | 1988 | Full accounts |
| NEWSON GALE LIMITED | Nottingham | 1988 | Medium company accounts |
| ESPRIT ELECTRONICS LIMITED | Southampton | 1988 | Full accounts |
| FSL ELECTRONICS LTD | Cookstown | 1988 | Total exemption (full) |
| MATROX VITE LIMITED | Reading | 1988 | Unaudited abridged |
| EDINBURGH DESIGNS LIMITED | Loanhead | 1988 | Total exemption (full) |
| JIM MURPHY ENGINEERING LIMITED | East Kilbride | 1988 | Unaudited abridged |