| URBAN IRON LTD. | Brentford | 2010 | Total exemption (full) |
| ALUMACRAFT MOTORSPORTS LTD | Brownhills | 2010 | Total exemption (full) |
| CARLTON DESIGN AND FABRICATION LIMITED | Nottingham Business Park | 2010 | Total exemption (full) |
| WESCOTT INDUSTRIAL SERVICES LTD | Basildon | 2010 | Audit-exempt subsidiary |
| METAL TREATMENTS (PORTSMOUTH) LIMITED | Portsmouth | 2010 | Total exemption (full) |
| METALBUILD MCE LIMITED | Liverpool | 2010 | Total exemption (full) |
| SECURITY DIRECT PRODUCTS LIMITED | Beverley | 2010 | Total exemption (full) |
| IHE STAINLESS LTD. | Glasgow | 2010 | Total exemption (full) |
| D S K FABRICATIONS LIMITED | Pontefract | 2010 | Total exemption (full) |
| DEPTFORD SHEET METAL LTD | Belvedere | 2010 | Total exemption (full) |
| PACE PRECISION LIMITED | Harlow | 2010 | Total exemption (full) |
| YORKSHIRE METAL FINISHERS LIMITED | Leeds | 2010 | Total exemption (full) |
| C MILLAR & SON FABRICATIONS LIMITED | Plymouth | 2010 | Total exemption (full) |
| ELITE POWDER COATINGS LIMITED | Newcastle upon Tyne | 2010 | Total exemption (full) |
| JAKE INDUSTRIAL LTD | Brimstage Road | 2010 | Total exemption (full) |
| PRO TEC FUEL SYSTEMS LIMITED | Burton-on-Trent | 2010 | Total exemption (full) |
| ASTAN RENEWABLE ENERGY LTD | Stone | 2010 | Total exemption (full) |
| ELITE ALUMINIUM FABRICATIONS LIMITED | Stourport on Severn | 2010 | Total exemption (full) |
| COLORMINIUM (LONDON) LTD | Chelmsford | 2010 | Full accounts |
| MIDLAND STEEL REINFORCEMENT SUPPLIES (GB) LIMITED | Rochester | 2010 | Full accounts |
| CUSHWAY-SCHMIDT LIMITED | Cheshunt | 2010 | Unaudited abridged |
| A. S. FABRICATION LTD | Wellbank | 2010 | Total exemption (full) |
| MH ROOFING & CLADDING LIMITED | Rugeley | 2010 | Total exemption (full) |
| R H & G TRAVIS AND SON LIMITED | Halifax | 2010 | Total exemption (full) |
| C & N FABRICATIONS LIMITED | Peterborough | 2010 | Total exemption (full) |
| STEEL CORE DESIGNS LIMITED | Aylesford | 2010 | Total exemption (full) |
| BEXSIMON LIMITED | Bideford | 2010 | Total exemption (full) |
| NOVOFERM UK LIMITED | Luton | 2010 | Full accounts |
| GEORGIAN GATES AND RAILINGS LIMITED | Bury | 2010 | Total exemption (full) |
| FIRE-TECH ENGINEERING LTD | Newton Aycliffe | 2010 | Unaudited abridged |
| NEWPORT CNC LIMITED | Newport Pagnell | 2010 | Total exemption (full) |
| POWER BRITISH LIMITED | Uxbridge | 2010 | Total exemption (full) |
| MAS PRECISION ENGINEERING LIMITED | Atherstone | 2010 | Total exemption (full) |
| RYEDALE STEEL FABRICATIONS LIMITED | Sheffield | 2010 | Unaudited abridged |
| ISLAND DUCTWORK LIMITED | Sheerness | 2010 | Total exemption (full) |
| MAYTEC SOLUTIONS LTD | Plymouth | 2010 | Small company accounts |
| FLO-DYNE CONTROLS (UK) LIMITED | Princes Risborough | 2010 | Total exemption (full) |
| C & C INDUSTRIAL GROUP LIMITED | Fareham | 2010 | Group accounts |
| AA ANODISING UK LTD | Skipton | 2010 | Total exemption (full) |
| CURRIE ENGINEERING (GARVAGH) LIMITED | Coleraine | 2010 | Unaudited abridged |
| REIGATE DUCTWORK MANUFACTURING LTD | Reigate | 2010 | Total exemption (full) |
| SPEIGHT ENGINEERING LTD | York | 2010 | Total exemption (full) |
| UNITED FABRICATIONS LIMITED | Chorley | 2010 | Total exemption (full) |
| JON HATFIELD LIMITED | York | 2010 | Total exemption (full) |
| PARKS FABRICATION LIMITED | York | 2010 | Total exemption (full) |
| CAMBRIDGE METALWELD LIMITED | Cambridge | 2010 | Total exemption (full) |
| BPRECISION LIMITED | Waterlooville | 2010 | Total exemption (full) |
| PIPEWORK & WELDING CONTRACTING SERVICES LIMITED | Epsom | 2010 | Total exemption (full) |
| THE STERLINGHAM CO. LTD | Stourbridge | 2010 | Total exemption (full) |
| PIPEWERX BIKES LTD | Southport | 2010 | Total exemption (full) |
| REMAC UTILITY SERVICES LTD | Shotts | 2010 | Total exemption (full) |
| FORMOSA LONDON LIMITED | London | 2010 | Total exemption (full) |
| TITAN STEEL LIMITED | Aberdeen | 2010 | Total exemption (full) |
| INSULATED TOOLS HOLDINGS LIMITED | East Grinstead | 2010 | Total exemption (full) |
| KANDO MECH ENG LIMITED | Bridgwater | 2010 | Unaudited abridged |
| MACKENZIE WELDING LTD | Tarbert | 2010 | Total exemption (full) |
| S K TOOLING LIMITED | London | 2010 | Total exemption (full) |
| GENERAL METAL (CAMBRIDGE) LIMITED | Haverhill | 2010 | Unaudited abridged |
| ENSYGN LIMITED | Leicester | 2010 | Total exemption (full) |
| FVF LTD. | Stirling | 2010 | Total exemption (full) |