| SCARECROW GROUP LIMITED | Maresfield | 1981 | Total exemption (full) |
| DARTPOINT LIMITED | Kent | 1981 | Total exemption (full) |
| HEAT TRACE LIMITED | Frodsham | 1981 | Medium company accounts |
| ELECTRONIC TECHNICIANS LIMITED | Wimborne | 1981 | Total exemption (full) |
| CHILTERN CIRCUITS LIMITED | Princes Risborough | 1981 | Unaudited abridged |
| HACEL LIGHTING LIMITED | Wallsend | 1981 | Full accounts |
| TIME AND DATA SYSTEMS INTERNATIONAL LIMITED | Poole | 1981 | Small company accounts |
| CEAG LIMITED | Barnsley | 1981 | Total exemption (full) |
| AMETHYST DESIGNS LIMITED | Cambridge | 1981 | Total exemption (full) |
| PERMAG LIMITED | Larkhall | 1982 | Total exemption (full) |
| IPCE LIMITED | Lisburn | 1982 | Total exemption (full) |
| INDUSTRIAL AUTOMATION AND CONTROL LIMITED | Newport | 1982 | Group accounts |
| B.J. CONTROL PANELS LIMITED | Nottingham | 1982 | Total exemption (full) |
| F.I.C. (UK) LIMITED | Penzance | 1982 | Small company accounts |
| C.A.B. SPECIAL BATTERIES LTD. | Plymouth | 1982 | Total exemption (full) |
| SPE ENERGY LIMITED | Perth | 1982 | Small company accounts |
| R BAKER (ELECTRICAL) LIMITED | Speke | 1982 | Total exemption (full) |
| TERRAFIX LIMITED | Stoke-on-Trent | 1982 | Full accounts |
| BELLA FIGURA LIMITED | London | 1982 | Total exemption (full) |
| F. WALTHER ELECTRICS LIMITED | Vale Road, Heaton Mersey, | 1982 | Small company accounts |
| LUMINITE ELECTRONICS LIMITED | London | 1982 | Total exemption (full) |
| BALDWIN BOXALL COMMUNICATIONS LIMITED | Crowborough | 1982 | Full accounts |
| HANNING LIMITED | Stoke on Trent | 1982 | Total exemption (full) |
| CLARKSON CONTROLS LIMITED | Belbroughton | 1982 | Total exemption (full) |
| ELECTRO-DETECTORS LIMITED | Harlow | 1982 | Small company accounts |
| WELLVEND LIMITED | Goole | 1982 | Total exemption (full) |
| ASD LIGHTING PLC | Rotherham | 1982 | Full accounts |
| RIDLEY ELECTRONICS LIMITED | Northwood Hills | 1982 | Unaudited abridged |
| EUROSERVO LTD. | Stockport | 1982 | Total exemption (full) |
| ELTEK SYSTEMS LIMITED | Peterborough | 1983 | Full accounts |
| BARTEC (U.K.) LIMITED | Rochdale | 1983 | Small company accounts |
| POWER CAPACITORS LIMITED | Birmingham | 1983 | Total exemption (full) |
| L3HARRIS TRL TECHNOLOGY LIMITED | Tewkesbury | 1983 | Full accounts |
| SOLLATEK (UK) LIMITED | Slough | 1983 | Full accounts |
| TOBY ELECTRONICS LIMITED | Banbury | 1983 | Medium company accounts |
| DRAWMER ELECTRONICS LIMITED | Rotherham | 1983 | Total exemption (full) |
| APEM COMPONENTS LIMITED | Aylesbury | 1983 | Full accounts |
| DRIVE SYSTEMS LIMITED | Preston | 1983 | Total exemption (full) |
| GEEPLUS EUROPE LIMITED | Croydon | 1983 | Total exemption (full) |
| FAST SYSTEMS LIMITED | Beaconsfield | 1983 | Total exemption (full) |
| DRUCEGROVE LIMITED | South Woodford | 1983 | Total exemption (full) |
| RMSPUMPTOOLS LIMITED | Malton | 1983 | Full accounts |
| IDAC SOLUTIONS LIMITED | Salisbury | 1983 | Total exemption (full) |
| DOMINO UK LIMITED | Cambridge | 1983 | Full accounts |
| DELTA ELECTRONICS (UK) LTD | Hemel Hempstead | 1983 | Full accounts |
| ESTIL LIMITED | West Midlands | 1983 | Total exemption (full) |
| M & H TECHNICAL SERVICES LIMITED | Manchester | 1983 | Total exemption (full) |
| R.W.M. (WOLVERHAMPTON) LIMITED | Wolverhampton | 1983 | Total exemption (full) |
| REDTRONIC LIMITED | Elland | 1983 | Total exemption (full) |
| BICKNELL CONTROL SYSTEMS LIMITED | Leeds. | 1983 | Total exemption (full) |
| CRESTCHIC (UK) LIMITED | Burton on Trent | 1983 | Full accounts |
| DATAPAQ LIMITED | Norwich | 1983 | Full accounts |
| FORDWAYS PRODUCTS LIMITED | Axminster | 1984 | Total exemption (full) |
| AUTOSCRIPT LIMITED | Bury St. Edmunds | 1984 | Full accounts |
| COPE ELECTRONICS LIMITED | Kingswinford | 1984 | Total exemption (full) |
| CONTROLE MESURE REGULATION (UK) LIMITED | Wallsend | 1984 | Full accounts |
| EVOLUTION SYSTEMS LIMITED | Newcastle | 1984 | Total exemption (full) |
| NEL TECHNOLOGIES LIMITED | Newcastle upon Tyne | 1984 | Small company accounts |
| KEYLIGHTING LIMITED | Bingley | 1984 | Total exemption (full) |
| LAPLACE BUILDING SOLUTIONS (SOUTH) LIMITED | Pangbourne | 1984 | Total exemption (full) |