| RHAYADER PRECISION LIMITED | Rhayader | 2010 | Total exemption (full) |
| GUARD-TECH MACHINING SERVICES LTD | Hebden Bridge | 2010 | Total exemption (full) |
| IMPROVAIR LIMITED | Bury | 2010 | Total exemption (full) |
| ENGINOVATE LTD | Liverpool | 2010 | Total exemption (full) |
| F I COATINGS LIMITED | Grangemouth | 2010 | Total exemption (full) |
| SAXON ENGINEERING (MEDWAY) LIMITED | Gillingham | 2010 | Total exemption (full) |
| ANGLO INDUSTRIAL HOLDINGS LTD | Beaconsfield | 2010 | Total exemption (full) |
| MAP ENGINEERING SWANSEA LIMITED | Swansea | 2010 | Total exemption (full) |
| WATERSIDE FABRICATIONS LIMITED | Nelson | 2010 | Total exemption (full) |
| ROBERT TODD LIMITED | Faringdon | 2010 | Unaudited abridged |
| HOARD-IT LIMITED | Barnsley | 2010 | Audit-exempt subsidiary |
| INCOM COMPOSITE ENGINEERING UK LTD | Poole | 2010 | Small company accounts |
| SPEEDFLEX ENGINEERING LIMITED | Stourport on Severn | 2010 | Total exemption (full) |
| CAMCOOL RESEARCH LIMITED | Cambridge | 2010 | Total exemption (full) |
| UNIVERSE AUTOMATION LTD | Hook | 2010 | Total exemption (full) |
| NEWTON SECURITY DOORS LIMITED | Edinburgh | 2010 | Small company accounts |
| SEATRIUM OFFSHORE RENEWABLE SERVICES LTD | Lowestoft | 2010 | Full accounts |
| HARRIS MANUFACTURING LTD | Staffs | 2010 | Total exemption (full) |
| ADAM FABRICATIONS LTD | Sheffield | 2010 | Total exemption (full) |
| MATT LIVSEY HAMMOND LIMITED | Brook | 2010 | Total exemption (full) |
| SJK MECHANICAL SERVICES LIMITED | Consett | 2010 | Total exemption (full) |
| GREASE MONKEY (SCOTLAND) LIMITED | Edinburgh | 2010 | Total exemption (full) |
| CLIFFORD SPRINGS LIMITED | Redditch | 2010 | Small company accounts |
| AMARI PRECISION TUBES LIMITED | Wednesbury | 2010 | Small company accounts |
| CROWN POLISHING AND PLATING COMPANY LIMITED | Wolverhampton | 2010 | Total exemption (full) |
| TINMASTERS LIMITED | Swansea | 2010 | Total exemption (full) |
| NS FABRICATIONS LIMITED | Rotherham | 2010 | Total exemption (full) |
| STEEL ARTS METALWORK LTD | Leigh-on-Sea | 2010 | Total exemption (full) |
| TOTAL MACHINING SOLUTIONS LTD | Rochester | 2010 | Total exemption (full) |
| MAYPOLE MANUFACTURING LTD | Chorley | 2010 | Total exemption (full) |
| SWABAS LIMITED | Skipton | 2010 | Total exemption (full) |
| ERCON FABRICATION AND ASSEMBLY LIMITED | Bilston | 2010 | Total exemption (full) |
| LOCHCARRON METAL WORK LTD | Lochcarron | 2010 | Total exemption (full) |
| ABERLOUR ENGINEERING LTD | Aberlour | 2010 | Total exemption (full) |
| MAKING LITTLE LIMITED | Pwllheli | 2010 | Total exemption (full) |
| KHAYLAN ENTERPRISES LTD | Hockley | 2010 | Total exemption (full) |
| RSJ STEEL FABRICATORS LIMITED | London | 2010 | Total exemption (full) |
| YB PLATING LIMITED | Crawley | 2010 | Total exemption (full) |
| ACTIVE FLOW CONTROLS LIMITED | Andover | 2010 | Total exemption (full) |
| E S ENGINEERING SOLUTIONS LIMITED | York | 2010 | Total exemption (full) |
| EVO LEISURE LIMITED | Heckmondwike | 2010 | Unaudited abridged |
| AV METALS LIMITED | Bury | 2010 | Total exemption (full) |
| STATECH UK LIMITED | Spalding | 2010 | Total exemption (full) |
| METALCRAFT LASER LIMITED | Bradford | 2010 | Total exemption (full) |
| JOOLE SITE SERVICES LTD | Warrington | 2010 | Unaudited abridged |
| DYNAMIC DISPLAY DESIGNS LIMITED | Middleton | 2010 | Unaudited abridged |
| FITCH FABRICATIONS LTD | Farnborough | 2010 | Unaudited abridged |
| PIPCAD PROJECTS LTD | Glasgow | 2010 | Total exemption (full) |
| THE LONDON SAW COMPANY LIMITED | Dagenham | 2010 | Total exemption (full) |
| T & R KEDDIE LIMITED | Selkirk | 2010 | Total exemption (full) |
| SOUTHERN METAL SUPPLIES LIMITED | Burgess Hill | 2010 | Total exemption (full) |
| DEVELOPMENT ENTERPRISES LIMITED | Motherwell | 2010 | Total exemption (full) |
| 111 ARTISTS LIMITED | Horsham | 2010 | Total exemption (full) |
| ROLLING SETS LIMITED | High Wycombe | 2010 | Total exemption (full) |
| SOUTHEAST FABRICATION & WELDING SPECIALISTS LIMITED | Wrotham Heath | 2010 | Unaudited abridged |
| K&S AEROSPACE COMPONENTS LIMITED | Southampton | 2010 | Total exemption (full) |
| PACIFIC STEEL LTD | Stanmore | 2010 | Unaudited abridged |
| G SHARP TOOLS LIMITED | Salisbury | 2010 | Total exemption (full) |
| JAEGE SMART TURN LIMITED | Nuneaton | 2010 | Total exemption (full) |
| PULSE-EIGHT LIMITED | Poole | 2010 | Unaudited abridged |