| QUALFAB LIMITED | West Midlands | 1942 | Total exemption (full) |
| NORBAR TORQUE TOOLS LIMITED | Banbury | 1943 | Full accounts |
| NORTH LONDON SAW WORKS LIMITED(THE) | Hertfordshire | 1943 | Unaudited abridged |
| GEORGE BROWN & SONS, ENGINEERS (LEITH) LIMITED | Tranent | 1943 | Total exemption (full) |
| KNIGHT STRIP METALS LIMITED | Cranborne Road Potters Bar | 1943 | Medium company accounts |
| LANCASHIRE SAW COMPANY LIMITED | Gorse St | 1943 | Audit-exempt subsidiary |
| RELIABLE SPRING & MANUFACTURING COMPANY LIMITED(THE) | Tipton | 1943 | Total exemption (full) |
| MAUN INDUSTRIES,LIMITED | Sutton in Ashfield | 1944 | Total exemption (full) |
| FORD AEROSPACE LIMITED | South Shields | 1944 | Small company accounts |
| E.H.THOMPSON & SON (LONDON) LIMITED | Ongar | 1944 | Small company accounts |
| AYRSHIRE METAL PRODUCTS (DAVENTRY) LIMITED | Edinburgh | 1944 | Small company accounts |
| R. BEAL & COMPANY LIMITED | Chester le Street | 1944 | Total exemption (full) |
| VICTOR MANUFACTURING LIMITED | Keighley | 1944 | Full accounts |
| ALBERT MARSH AND BESTELITE HARDFACING CO LIMITED | South Yorkshire | 1945 | Total exemption (full) |
| LANARKSHIRE WELDING COMPANY LIMITED | — | 1945 | Small company accounts |
| FLEXIBOX INTERNATIONAL LIMITED | Slough | 1945 | Audit-exempt subsidiary |
| AIREDALE SPRINGS LIMITED | Keighley | 1945 | Total exemption (full) |
| MCDONALD WATER STORAGE LTD | Glenrothes | 1945 | Small company accounts |
| EDMAR ENGINEERING CO. LIMITED | West Midlands | 1945 | Unaudited abridged |
| TUBELA ENGINEERING COMPANY LIMITED | Great Dunmow | 1945 | Total exemption (full) |
| THE DIAMOND METAL FINISHING COMPANY LIMITED | Wrexham | 1945 | Total exemption (full) |
| ROBERT STUART LTD. | Essex | 1945 | Total exemption (full) |
| FLAME HARDENERS LIMITED | Sheffield | 1945 | Total exemption (full) |
| WILLIAM HARE LIMITED | Bury | 1945 | Full accounts |
| R.V. RUGG LIMITED | Nr.pontefract | 1945 | Total exemption (full) |
| ANODISING & PLATINGS LTD | Croydon | 1945 | Small company accounts |
| NORTHERN TOOL & GEAR COMPANY LIMITED | Angus | 1945 | Total exemption (full) |
| S.F.VEHICLE BUILDERS LIMITED | Shropshire | 1946 | Total exemption (full) |
| RISHTON WELDING & ENGINEERING COMPANY LIMITED | Lancashire | 1946 | Small company accounts |
| ANOCHROME LIMITED | Fordhouses, Wolverhampton | 1946 | Small company accounts |
| LONDON & BRIGHTON PLATING COMPANY LIMITED(THE) | Brighton | 1946 | Total exemption (full) |
| BOWYER ENGINEERING LIMITED | Hants | 1946 | Total exemption (full) |
| COLPA PRECISION ENGINEERING LIMITED | Watford | 1946 | Unaudited abridged |
| ROYSTON LEAD LIMITED | Barnsley | 1946 | Full accounts |
| BIZ ENGINEERING LIMITED | Enfield | 1946 | Small company accounts |
| DALE ENGINEERING COMPANY,(CANNOCK),LIMITED(THE) | Cannock | 1946 | Total exemption (full) |
| BODILL PARKER LIMITED | Tipton | 1946 | Total exemption (full) |
| MAJ HI-SPEC LIMITED | Leeds | 1946 | Small company accounts |
| BRIDON INTERNATIONAL LTD. | Doncaster | 1946 | Full accounts |
| STARWELD ENGINEERING LIMITED | Sheffield | 1946 | Total exemption (full) |
| BRISTOL FAN COMPANY LIMITED(THE) | Bristol | 1946 | Total exemption (full) |
| HATTO & GIBSON LIMITED | Surrey | 1946 | Total exemption (full) |
| LOCKER WIRE WEAVERS LIMITED | Warrington | 1946 | Total exemption (full) |
| CLAMASON INDUSTRIES LIMITED | Road, Kingswinford | 1946 | Group accounts |
| WILLIAM TWIGG (MATLOCK) LIMITED | Matlock | 1946 | Medium company accounts |
| CHELTENHAM ROAD ENGINEERING CO.LIMITED | Astwood Bank | 1946 | Total exemption (full) |
| METALBOR LIMITED | Sutton | 1946 | Total exemption (full) |
| METRO ENGINEERING AND PLATING WORKS LIMITED | Uxbridge | 1946 | Total exemption (full) |
| HMD SEAL/LESS PUMPS LIMITED | Eastbourne | 1946 | Full accounts |
| BLACKWOOD ENGINEERING LIMITED | Gwent | 1946 | Full accounts |
| MILLS FORGINGS LIMITED | Cradley Heath | 1946 | Total exemption (full) |
| S.M.E.LIMITED | Sussex | 1946 | Total exemption (full) |
| BENDALLS ENGINEERING LIMITED | Carlisle | 1946 | Full accounts |
| SHEETFABS (NOTTINGHAM) LIMITED | Beeston | 1946 | Total exemption (full) |
| ENGLISH CHAIN COMPANY LIMITED | Sheffield | 1947 | Total exemption (full) |
| THE TARTAN MANUFACTURING COMPANY LIMITED | High Wycombe | 1947 | Total exemption (full) |
| LEICESTER PLATING COMPANY LIMITED(THE) | Meridian Business Park | 1947 | Total exemption (full) |
| F. & A. DUNBAR LIMITED | Rochdale | 1947 | Total exemption (full) |
| STEPHENS GASKETS LIMITED | Oldbury | 1947 | Total exemption (full) |
| TWB FINISHING LIMITED | Cheltenham | 1947 | Total exemption (full) |