| CENELEC STANDARDS INSPECTIONS LIMITED | Newcastle upon Tyne | 1986 | Audit-exempt subsidiary |
| FIRE CONTROL UK LIMITED | Derbyshire | 1986 | Total exemption (full) |
| BLAST POWER SERVICES LIMITED | Diss | 1986 | Total exemption (full) |
| GMT ELECTRICAL SERVICES LIMITED | Surrey | 1986 | Total exemption (full) |
| TERRY JOHNSON LIMITED | Spalding | 1986 | Total exemption (full) |
| H & B MOTOR ENGINEERS LIMITED | London | 1986 | Total exemption (full) |
| CONTAINER SYSTEMS LIMITED | Tamworth | 1986 | Total exemption (full) |
| MJR FACILITIES MANAGEMENT LIMITED | Clwyd | 1986 | Total exemption (full) |
| CLIMATIC SERVICES LIMITED | Glenrothes | 1986 | Total exemption (full) |
| HOERBIGER UK LIMITED | Leeds | 1986 | Full accounts |
| PRESET CALIBRATION SERVICES LIMITED | Dorset | 1986 | Total exemption (full) |
| TRANS-FIRE PROTECTION LIMITED | London | 1986 | Audit-exempt subsidiary |
| GAS HEATING AND APPLIANCE SERVICES LIMITED | Glasgow | 1986 | Total exemption (full) |
| V.O.R. SERVICES LIMITED | Welwyn Garden City | 1986 | Total exemption (full) |
| RGV AVIATION LIMITED | Cheltenham | 1986 | Total exemption (full) |
| K B REFRIGERATION LIMITED | Glasgow | 1986 | Full accounts |
| A.T.P.ELECTRONIC DEVELOPMENTS LIMITED | Cannock | 1986 | Full accounts |
| EASTERN TRANSFORMERS & EQUIPMENT LIMITED | Bury St Edmunds | 1987 | Total exemption (full) |
| HI-TEC SPRAY LIMITED | Maidstone | 1987 | Total exemption (full) |
| PRINCIPAL I LIMITED | Horsham | 1987 | Full accounts |
| NUNKEELING LIMITED | Hull | 1987 | Total exemption (full) |
| ENGINEERING PRODUCTIONS (PUDSEY) LIMITED | Bradford | 1987 | Total exemption (full) |
| JOHN FREEMAN (SALES) LIMITED | Oxon | 1987 | Total exemption (full) |
| KIRKBY LINDSEY ELECTRICAL ENGINEERING LIMITED | Kingston upon Hull | 1987 | Total exemption (full) |
| CLIFTONS TURF MACHINERY LIMITED | Woking | 1987 | Total exemption (full) |
| LORCH SCHWEISSTECHNIK LIMITED | Cannock | 1987 | Total exemption (full) |
| DENNIS DIXON LIMITED | Middlesbrough | 1987 | Unaudited abridged |
| BELDEX LIMITED | Sutton in Ashfield | 1987 | Total exemption (full) |
| NEW STONE AGE LIMITED | Keighley | 1987 | Total exemption (full) |
| D.R. ELECTRICAL LIMITED | Wallasey | 1987 | Total exemption (full) |
| POOL 'N' SPA SERVICES LIMITED | Crediton | 1987 | Total exemption (full) |
| DAWNLIGHT LIMITED | Middlesex | 1987 | Total exemption (full) |
| COVA SECURITY GATES LIMITED | Sandbach | 1987 | Small company accounts |
| OXYLITRE (MEDICAL SERVICES) LIMITED | Old Trafford | 1987 | Total exemption (full) |
| COMPLETE PLANT MAINTENANCE ENGINEERING LIMITED | Manchester | 1987 | Group accounts |
| B.R.E. LIMITED | Broughty Ferry | 1987 | Total exemption (full) |
| ELLIOTT TURBOMACHINERY LIMITED | Basingstoke | 1987 | Full accounts |
| P.W.B. (INDUSTRIAL HEATING) SERVICE LIMITED | Poole | 1987 | Total exemption (full) |
| AUTOS GREAT BRITAIN LIMITED | Derbyshire | 1987 | Total exemption (full) |
| WESTAIR ENGINEERING SERVICES LIMITED | Blackpool | 1987 | Total exemption (full) |
| OLYMPUS TECHNOLOGIES LIMITED | Huddersfield | 1987 | Total exemption (full) |
| TRICORE LIMITED | Kinellar | 1987 | Total exemption (full) |
| HASTINGS DIESELS LIMITED | St.leonards-on-Sea, | 1987 | Total exemption (full) |
| GO AQUA UK LIMITED | Pershore | 1987 | Unaudited abridged |
| DALES MARINE SERVICES (GREENOCK) LIMITED | Aberdeen | 1987 | Full accounts |
| H20 PLANT AUTOMATION LIMITED | London | 1987 | Total exemption (full) |
| STANDARD SECURITY SYSTEMS LIMITED | Stonehaven | 1987 | Total exemption (full) |
| W MAGES (REWINDS) LIMITED | Cheddar | 1987 | Total exemption (full) |
| M.L. TRAILERS LIMITED | Banbury | 1987 | Total exemption (full) |
| LAPLINE LIMITED | Colchester | 1987 | Unaudited abridged |
| SYSTEM EDSTROM UK LTD | Corby | 1987 | Small company accounts |
| ADF SCALE COMPANY LIMITED | Hednesford | 1987 | Total exemption (full) |
| MIG ANGLIA LIMITED | Norfolk | 1987 | Total exemption (full) |
| TECHSOFT UK LIMITED | Denbighshire | 1987 | Unaudited abridged |
| THOMPSONS SERVICETECH LTD | Croydon | 1987 | Small company accounts |
| TASPA SOUND & LIGHT ENGINEERING LIMITED | Leek | 1987 | Total exemption (full) |
| LYNTON REFRIGERATION LIMITED | Oldham | 1987 | Total exemption (full) |
| EASTERN FLUID POWER LIMITED | Great Yarmouth | 1987 | Total exemption (full) |
| INDUSTRIAL DOOR SYSTEMS LIMITED | Manchester | 1987 | Full accounts |
| BPS FLUID POWER & AUTOMATION LTD | Accrington | 1987 | Total exemption (full) |