| RAILSITE LIMITED | secretary | 15 Ara 2000 | 18 Nis 2001 |
| BRITISH THOMSON-HOUSTON COMPANY LIMITED(THE) | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| BRITISH THOMSON-HOUSTON COMPANY LIMITED(THE) | director | - | 31 Eki 2001 |
| KELVIN ELECTRICAL INDUSTRIES LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| KELVIN ELECTRICAL INDUSTRIES LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| KELVIN ELECTRICAL INDUSTRIES LIMITED | director | - | 31 Eki 2001 |
| PEEL PORTS (M43) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| PEEL PROPERTY (CL) LIMITED | secretary | 12 Haz 2000 | 31 Eki 2001 |
| PEEL PROPERTY (CL) LIMITED | director | 04 Haz 2001 | 31 Eki 2001 |
| ROADSIDE TECHNOLOGY SERVICES LIMITED | secretary | 15 Ara 2000 | 01 Eki 1998 |
| ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| STANHOPE PENSION SERVICES LIMITED | secretary | 05 Kas 1996 | 13 Oca 1997 |
| STANHOPE PENSION SERVICES LIMITED | director | 05 Kas 1996 | 13 Oca 1997 |
| CONFIRMANT LIMITED | secretary | 20 Ağu 2001 | 31 Eki 2001 |
| AEROFLEX ASIA PACIFIC LIMITED | director | - | 23 May 1996 |
| MARCONI (SIXTY-ONE) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| MARCONI (SIXTY-ONE) LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| MARCONI (SIXTY-ONE) LIMITED | director | - | 31 Eki 2001 |
| BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES (OVERSEAS) LIMITED | director | 23 Kas 1998 | 27 Kas 1998 |
| MARCONI (TWENTY-TWO) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| VULCAN REALISATIONS LIMITED | director | - | 31 Eki 2001 |
| OTIS E&M COMPANY LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| COMMAF LIMITED | secretary | 03 Tem 1998 | 24 Oca 2001 |
| J.T.ROTHWELL AND COMPANY LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| J.T.ROTHWELL AND COMPANY LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| BAE SYSTEMS CHINA (EXPORTS) LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| BAE SYSTEMS CHINA (EXPORTS) LIMITED | director | - | 06 Kas 1995 |
| BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES (OVERSEAS) LIMITED | secretary | 23 Kas 1998 | 27 Kas 1998 |
| BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES LIMITED | secretary | 04 Ara 1997 | 07 Tem 1998 |
| BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES LIMITED | director | 04 Ara 1997 | 07 Tem 1998 |
| ENHANCE COMMUNICATIONS LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| ENHANCE COMMUNICATIONS LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| ENHANCE COMMUNICATIONS LIMITED | director | 05 Mar 1993 | 31 Eki 2001 |
| BLACKMAN EXPORT COMPANY LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| BLACKMAN EXPORT COMPANY LIMITED | director | - | 20 Haz 2000 |
| J.T.ROTHWELL AND COMPANY LIMITED | director | - | 31 Eki 2001 |
| AEROFLEX ASIA PACIFIC LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| MICROSEMI MICROELECTRONIC LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| MICROSEMI MICROELECTRONIC LIMITED | director | - | 28 Oca 1998 |
| M (BRUTON STREET) | secretary | 12 Oca 2001 | 31 Eki 2001 |
| M (FIFTY-NINE) LIMITED | director | - | 31 Eki 2001 |
| ALLARD WAY (HOLDINGS) LIMITED | director | 25 Kas 1999 | 31 Eki 2001 |
| EDIS-BATES ASSOCIATES LIMITED | director | 11 Oca 2005 | 22 Haz 2006 |
| MICROSEMI SEMICONDUCTOR OVERSEAS LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| 00222648 LIMITED | director | - | 31 Eki 2001 |
| ALLARD WAY (HOLDINGS) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| ENGLISH ELECTRIC COMPANY,LIMITED(THE) | director | 17 Şub 1999 | 31 Eki 2001 |
| ENGLISH ELECTRIC COMPANY,LIMITED(THE) | secretary | 15 Ara 2000 | 01 Eki 1998 |
| M (BRUTON STREET) | director | 12 Oca 2001 | 01 Nis 2001 |
| M (FIFTY-NINE) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| M (FIFTY-NINE) LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| MARCONI (TWENTY-TWO) LIMITED | director | 25 Kas 1999 | 31 Eki 2001 |
| CUSTODIAN HOLDINGS LIMITED | director | 06 Kas 1997 | 31 Eki 2001 |
| ROADSIDE TECHNOLOGY SERVICES LIMITED | director | 17 Şub 1999 | 31 Eki 2001 |
| M MOBILE SYSTEMS LIMITED | director | - | 24 Nis 1993 |
| TODD SCALES | director | - | 03 May 2000 |
| RAILSITE LIMITED | director | 15 Ara 2000 | 11 Nis 2001 |
| GENELEC LIMITED | secretary | 15 Eki 1999 | 31 Mar 2000 |
| GENELEC LIMITED | director | 15 Eki 1999 | 31 Mar 2000 |
| VULCAN REALISATIONS LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| VULCAN REALISATIONS LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| 00222648 LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| 00222648 LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| BRITISH THOMSON-HOUSTON COMPANY LIMITED(THE) | secretary | 15 Ara 2000 | 31 Eki 2001 |
| MICROSEMI SEMICONDUCTOR OVERSEAS LIMITED | director | - | 21 Ağu 1995 |
| COMMAF LIMITED | director | 03 Tem 1998 | 24 Oca 2001 |
| PEEL PORTS (M43) LIMITED | director | 21 Kas 2000 | 01 Nis 2001 |
| ASSOCIATED ELECTRICAL INDUSTRIES LIMITED | director | 17 Şub 1999 | 31 Eki 2001 |
| ASSOCIATED ELECTRICAL INDUSTRIES (MANCHESTER) LIMITED | director | - | 31 Eki 2001 |
| ASSOCIATED ELECTRICAL INDUSTRIES LIMITED | secretary | 15 Ara 2000 | 01 Eki 1998 |
| TELEDYNE UK LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| TELENT (UK) LIMITED | director | 02 Tem 1997 | 31 Eki 2001 |
| TELENT (UK) LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| TELENT (UK) LIMITED | secretary | 14 Ara 1993 | 02 Tem 1997 |
| TUSK CORPORATION LIMITED | secretary | 01 Şub 2001 | 31 Eki 2001 |
| TELENT SERVICES LIMITED | secretary | 15 Ara 2000 | 31 Eki 2001 |
| TELENT SERVICES LIMITED | secretary | 01 Ağu 1994 | 01 Haz 1995 |
| TELENT SERVICES LIMITED | director | - | 31 Eki 2001 |
| DIODES SEAL SEMICONDUCTORS LIMITED | secretary | 11 Ara 1997 | 17 Tem 1998 |
| DIODES SEAL SEMICONDUCTORS LIMITED | director | 11 Ara 1997 | 06 Mar 1998 |
| SKY TELECOMMUNICATIONS SERVICES LIMITED | secretary | 08 Mar 2000 | 26 Tem 2001 |
| TODD SCALES | secretary | 01 Ağu 1994 | 01 Haz 1995 |