| DANMEDICAL LIMITED | Banbury | 2002 | Total exemption (full) |
| VXI POWER LIMITED | Newark | 2002 | Total exemption (full) |
| G N SYSTEMS LIMITED | Bolton | 2002 | Total exemption (full) |
| KIDDE GRAVINER LIMITED | Shirley | 2002 | Full accounts |
| TOTAL ENERGY CONTROLS LIMITED | Kent | 2002 | Total exemption (full) |
| LEXCOM CONSULTANTS LTD | Portsmouth | 2003 | Total exemption (full) |
| DETECH EUROPE LIMITED | Bridlington | 2003 | Total exemption (full) |
| PROTEO LIMITED | Mildenhall | 2003 | Total exemption (full) |
| HYBRID INSTRUMENTS LIMITED | Lancaster | 2003 | Total exemption (full) |
| AEL MICROSYSTEMS LIMITED | Malvern | 2003 | Total exemption (full) |
| ELECTRICA LIMITED | Ashton under Lyne | 2003 | Unaudited abridged |
| GEN3 SYSTEMS LIMITED | Farnborough | 2003 | Total exemption (full) |
| GOLDRIDGE SOLUTIONS LIMITED | Stonehouse | 2003 | Total exemption (full) |
| NTEK LITHO LIMITED | Glasgow | 2003 | Total exemption (full) |
| REDDINGWOOD ELECTRONICS LIMITED | Louth | 2003 | Total exemption (full) |
| HAMAMATSU PHOTONICS LF LIMITED | Hamble Southampton | 2003 | Full accounts |
| TELEMETRY-ONLINE LIMITED | Northumberland | 2003 | Total exemption (full) |
| RF & NOISE COMPONENTS LTD | Rochford | 2003 | Total exemption (full) |
| RIDEO SYSTEMS LTD | Adderbury | 2003 | Total exemption (full) |
| ABL SOLUTIONS LIMITED | Bristol | 2003 | Total exemption (full) |
| BLAKNBLU LIMITED | Cambridge | 2003 | Total exemption (full) |
| BLUE RIVER CONTROLS LIMITED | High Wycombe | 2003 | Total exemption (full) |
| ENVENTIC LIMITED | Braintree | 2003 | Total exemption (full) |
| CAMTRONICS LIMITED | Tredegar | 2003 | Total exemption (full) |
| NOTE BASILDON LIMITED | Basildon | 2003 | Group accounts |
| EVOKE CREATIVE LIMITED | Bromborough | 2003 | Full accounts |
| BLUEBELL OPTICOM LTD | Bourne End | 2003 | Total exemption (full) |
| M.S.H. ELECTRONICS LIMITED | Exeter | 2003 | Total exemption (full) |
| ALTER TECHNOLOGY TUV NORD UK LIMITED | Livingston | 2003 | Unaudited abridged |
| FLASHBAY LIMITED | London | 2003 | Group accounts |
| ETL SYSTEMS LIMITED | Hereford | 2003 | Full accounts |
| STERIBAR SYSTEMS LIMITED | Bromsgrove | 2003 | Total exemption (full) |
| ALLECTRA LIMITED | Lewes | 2003 | Total exemption (full) |
| LEADING EDGE DEVELOPMENTS LIMITED | Cheshire | 2003 | Total exemption (full) |
| JD CONTROLS LTD | Bury | 2003 | Total exemption (full) |
| SAFETEST LTD | Bournemouth | 2003 | Total exemption (full) |
| ENIGMA ELECTRONICS.COM LIMITED | Blackpool | 2003 | Unaudited abridged |
| INSPECVISION LIMITED | Newtownabbey | 2003 | Audit-exempt subsidiary |
| MIDASMOTION LIMITED | Harrogate | 2003 | Total exemption (full) |
| DFX TECHNOLOGY LIMITED | Witney | 2003 | Small company accounts |
| GOODWIN ELECTRONICS LIMITED | Bromborough | 2003 | Total exemption (full) |
| SUBTEC LIMITED | Stockport | 2003 | Total exemption (full) |
| CAVTEC SYSTEMS LIMITED | Newcastle upon Tyne | 2003 | Total exemption (full) |
| PDC DIGITAL SOLUTIONS LIMITED | Barry | 2003 | Total exemption (full) |
| RED EARTH SYSTEMS LIMITED | Gloucester | 2003 | Total exemption (full) |
| KROMEK LIMITED | Sedgefield | 2003 | Full accounts |
| TOUCHSTAR TECHNOLOGIES LIMITED | Trafford Park | 2003 | Full accounts |
| CAMIS ELECTRONICS LIMITED | Kingswinford | 2003 | Total exemption (full) |
| G2 DIGITAL VIDEO LIMITED | Alton | 2003 | Total exemption (full) |
| 2CRSI UK LTD | Manchester | 2003 | Full accounts |
| SESYS LIMITED | Petersfield | 2003 | Total exemption (full) |
| DRESSCODE SYSTEMS LIMITED | London | 2003 | Total exemption (full) |
| ARMSTORM LTD | Haslemere | 2003 | Total exemption (full) |
| MAYTECK LTD | Reading | 2003 | Total exemption (full) |
| JUST CHECKING LTD | Solihull | 2003 | Total exemption (full) |
| LIGHTPATH OPTICAL (UK) LIMITED | Axminster | 2003 | Total exemption (full) |
| ROCKS OFF LIMITED | Northamptonshire | 2003 | Total exemption (full) |
| NETWORK CRITICAL SOLUTIONS LIMITED | Reading | 2003 | Total exemption (full) |
| J.K.S.P. SERVICES LIMITED | Warrington | 2003 | Total exemption (full) |
| ADAPTSYS LIMITED | Petersfield | 2003 | Unaudited abridged |