| ECOLIGHTINGUK LIMITED | Hinckley | 2007 | Total exemption (full) |
| TRIZO LIMITED | Bridgwater | 2007 | Total exemption (full) |
| M5 AUTOMATION LIMITED | Durham | 2007 | Total exemption (full) |
| SWITCHGEAR SUPPORT LIMITED | Monmouth | 2007 | Total exemption (full) |
| FT TECHNOLOGIES (UK) LTD | Sunbury-on-Thames | 2007 | Medium company accounts |
| STIEBEL ELTRON UK LIMITED | Bromborough | 2007 | Medium company accounts |
| MIXX LIMITED | Crawley | 2007 | Total exemption (full) |
| KPR ENGINEERING (M & E) LTD | Weston super Mare | 2007 | Total exemption (full) |
| SHIRES HOLDINGS LIMITED | Chichester | 2007 | Full accounts |
| CAMLIN ENERGY LIMITED | Bt28 2ex | 2007 | Full accounts |
| MCDERMID CONTROLS LTD | Motherwell | 2007 | Total exemption (full) |
| INNOVATUM LIMITED | Ingham | 2007 | Total exemption (full) |
| HUMAX DIRECT LTD | New Malden | 2007 | Small company accounts |
| DDSL LIMITED | Essex | 2007 | Small company accounts |
| NTM ELECTRICAL LIMITED | Leigh-on-Sea | 2007 | Total exemption (full) |
| ALCHEMY PRODUCTS LIMITED | Brampton | 2007 | Total exemption (full) |
| LOW ENERGY DESIGNS LTD | Blandford Forum | 2007 | Total exemption (full) |
| LUCY ELECTRIC DIGITAL SOLUTIONS LIMITED | Oxford | 2007 | Small company accounts |
| CFTEN LIMITED | Cwmbran | 2007 | Total exemption (full) |
| TESLA AUTOMATION LIMITED | N Yorks | 2007 | Total exemption (full) |
| DEXSOR LIMITED | — | 2007 | Audit-exempt subsidiary |
| DEXTRA LIGHTING LIMITED | — | 2007 | Audit-exempt subsidiary |
| DEXTRA SERVICES LIMITED | — | 2007 | Audit-exempt subsidiary |
| BRIGHTERLIGHT LED LIMITED | Cardiff | 2008 | Total exemption (full) |
| TECH - EX SYSTEMS LTD | Warwick | 2008 | Total exemption (full) |
| DAVEY LIGHTING LIMITED | Bromsgrove | 2008 | Total exemption (full) |
| WALLIS-SMITH LIMITED | Hereford | 2008 | Total exemption (full) |
| DAVIS DERBY HOLDINGS LIMITED | Derby | 2008 | Total exemption (full) |
| THE AUTOMATION CLINIC LIMITED | Trowbridge | 2008 | Total exemption (full) |
| TWL IRRIGATION LIMITED | Worthing | 2008 | Total exemption (full) |
| VICTOR PRODUCTS LTD | South Shields | 2008 | Full accounts |
| OMNI-TECH ELECTRONICS LIMITED | Sheffield | 2008 | Unaudited abridged |
| SOLUTIONS LIGHTING LIMITED | Leeds | 2008 | Total exemption (full) |
| KOKONUT LIGHTING & INTERIORS LTD | Andover | 2008 | Total exemption (full) |
| CABLE TAPES (UK) LTD | Manchester | 2008 | Total exemption (full) |
| SHAW AUTOMATION LTD | Hillsborough | 2008 | Total exemption (full) |
| POWER INSPIRED LIMITED | Thame | 2008 | Total exemption (full) |
| ESSE ENGINEERING LIMITED | Barnoldswick | 2008 | Total exemption (full) |
| A C S AUTOMATION & CONTROL SERVICES LIMITED | Burton-on-Trent | 2008 | Total exemption (full) |
| RSA POWER LTD | Birmingham | 2008 | Total exemption (full) |
| AETHER LIGHTING LIMITED | Epsom | 2008 | Total exemption (full) |
| IPC ELECTRICAL SERVICES LTD | Glasgow | 2008 | Total exemption (full) |
| MONARCH WATER LIMITED | Reading | 2008 | Small company accounts |
| MOOR AV SERVICES LTD | Oldham | 2008 | Unaudited abridged |
| FLEXEL 1986 LIMITED | Redditch | 2008 | Total exemption (full) |
| SCHALTBAU MACHINE ELECTRICS LIMITED | Cwmbran | 2008 | Small company accounts |
| MHE ELECTRONICS LIMITED | Newmarket | 2008 | Unaudited abridged |
| NEW LED LIGHT LIMITED | Barry | 2008 | Total exemption (full) |
| FAZAKERLEY REWINDS LIMITED | Bootle | 2008 | Total exemption (full) |
| CARECHEM INTERNATIONAL LIMITED | Birkenhead | 2008 | Total exemption (full) |
| WOOD NEWTON CONTROL SYSTEMS LIMITED | Derby | 2008 | Total exemption (full) |
| T.I. LLOYD ELECTRICAL CONTRACTORS LTD | Brierley Hill | 2008 | Total exemption (full) |
| VIEZU TECHNOLOGIES LTD | Alcester | 2008 | Total exemption (full) |
| B M S ELECTRICAL SERVICES LIMITED | Washington | 2008 | Total exemption (full) |
| 3E (UK) LTD | Wellingborough | 2008 | Unaudited abridged |
| WAL ELECTRICAL LIMITED | — | 2008 | Unaudited abridged |
| HIGH VOLTAGE SUBSTATION SERVICES LIMITED | Watford | 2008 | Unaudited abridged |
| FORTUS NORFOLK LIMITED | Letchworth Garden City | 2008 | Small company accounts |
| LIGHT VISUALS LTD | Basildon | 2008 | Unaudited abridged |
| AUDITEL RENTAL AND SERVICE LIMITED | High Wycombe | 2008 | Total exemption (full) |