| MCCONNEL LIMITED | Evesham | 1935 | Full accounts |
| ALBANY ENGINEERING COMPANY LIMITED(THE) | Glos | 1936 | Total exemption (full) |
| EDWARD PRYOR & SON LIMITED | — | 1936 | Group accounts |
| INDUCTOTHERM EUROPE LIMITED | Droitwich | 1936 | Group accounts |
| ONESUBSEA ANGOLA LIMITED | Leeds | 1936 | Audit-exempt subsidiary |
| CONSARC ENGINEERING LIMITED | Holytown | 1937 | Full accounts |
| CLYDE UNION DB LIMITED | Salford | 1937 | Full accounts |
| MACFARLANE THIRSK LIMITED | East Yorkshire | 1938 | Total exemption (full) |
| WHITEHILL SPINDLE TOOLS LIMITED | Bedfordshire | 1938 | Total exemption (full) |
| FELDBINDER (UK) LIMITED | Lincs | 1938 | Full accounts |
| H. BREAKELL & CO. (BLACKBURN) LIMITED | Clayton-le-Moors | 1939 | Total exemption (full) |
| ELECTRICAL STEAM & MINING EQUIPMENT LIMITED | Basingstoke | 1939 | Total exemption (full) |
| TALBOT TOOL COMPANY LIMITED | Beckenham | 1940 | Total exemption (full) |
| METOOL PRODUCTS LIMITED | Nottingham | 1941 | Small company accounts |
| HR BLOWERS INT LIMITED | Holmfirth | 1941 | Total exemption (full) |
| LATTIMER LIMITED | Merseyside | 1941 | Small company accounts |
| NICKEL-ELECTRO LIMITED | — | 1941 | Total exemption (full) |
| DIDSBURY ENGINEERING CO.LIMITED | Wilmslow | 1941 | Small company accounts |
| ATTERTON AND ELLIS LIMITED | Haverhill | 1941 | Total exemption (full) |
| S. H. MUFFETT LIMITED | Tunbridge Wells | 1942 | Total exemption (full) |
| ROLLEM PATENT PRODUCTS LIMITED | Barnsley | 1942 | Total exemption (full) |
| WECOM ST ALBANS LIMITED | St. Albans | 1942 | Total exemption (full) |
| TEAGLE HOLDINGS LIMITED | Truro, | 1943 | Group accounts |
| ROBSON HANDLING TECHNOLOGY LIMITED | Sheffield | 1943 | Group accounts |
| TURNELL AND ODELL LIMITED | Wellingborough | 1943 | Unaudited abridged |
| DENFORD LIMITED | Brighouse | 1944 | Total exemption (full) |
| METCALFE CATERING EQUIPMENT LIMITED | Blaenau Ffestiniog | 1944 | Total exemption (full) |
| THWAITES LIMITED | Leamington Spa | 1944 | Full accounts |
| CARVER INTERNATIONAL LIMITED | Walsall | 1944 | Full accounts |
| FIVES NORTH AMERICAN COMBUSTION UK LTD | Keighley | 1944 | Full accounts |
| J.FAIRBURN LIMITED | Ambleside | 1944 | Total exemption (full) |
| A.E.S. ENGINEERING LIMITED | Mill Close Rotherham | 1945 | Group accounts |
| CENGAR LIMITED | Halifax | 1945 | Total exemption (full) |
| ONESUBSEA UK LIMITED | London | 1945 | Audit-exempt subsidiary |
| W.D.M.LIMITED | Staple Hill | 1946 | Group accounts |
| MEGATOR LIMITED | Sunderland | 1946 | Total exemption (full) |
| SCHWING STETTER (UK) LTD | Marlow | 1946 | Full accounts |
| OLDBURY ENGINEERING CO.,LIMITED | Sudbury | 1946 | Small company accounts |
| ELLIOTT MUSGRAVE LIMITED | Leeds Road | 1946 | Total exemption (full) |
| G.& S.VALVES LIMITED | Godalming | 1946 | Total exemption (full) |
| SILVERSON MACHINES LIMITED | Greenford | 1946 | Full accounts |
| NELSONS (BIRSTALL) LIMITED | Batley | 1947 | Total exemption (full) |
| LOUIS DEMERY & SONS LIMITED | Worksop | 1947 | Total exemption (full) |
| BÜHLER UK LIMITED | — | 1947 | Full accounts |
| WECORI LIMITED | Swansea | 1947 | Total exemption (full) |
| DON VALLEY ENGINEERING COMPANY LIMITED | Doncaster | 1947 | Medium company accounts |
| MARMON FOODSERVICE TECHNOLOGIES UK LIMITED | Milton Keynes | 1947 | Full accounts |
| F.W. FROST (ENGINEERS) LIMITED | Drayton | 1947 | Total exemption (full) |
| MEDIVANCE INSTRUMENTS LIMITED | London | 1947 | Unaudited abridged |
| CRANE PROCESS FLOW TECHNOLOGIES LTD | Gwent | 1947 | Full accounts |
| GREENWOOD MAGNETICS LIMITED | Rochdale | 1948 | Unaudited abridged |
| HQW AEROSPACE (UK) LIMITED | Plymouth | 1948 | Full accounts |
| METANODIC (ENGINEERS) LIMITED | Staffs | 1948 | Total exemption (full) |
| ROSSENDALE GROUP LIMITED | South Wirral | 1949 | Total exemption (full) |
| GOODWIN INTERNATIONAL LIMITED | Stoke on Trent | 1949 | Full accounts |
| CARNAUDMETALBOX ENGINEERING LIMITED | West Yorkshire | 1949 | Full accounts |
| SEETRU LIMITED | Bristol | 1949 | Group accounts |
| XYLEM WATER SOLUTIONS UK LTD | Nottingham | 1950 | Audit-exempt subsidiary |
| FAN SYSTEMS GROUP LIMITED | Halifax | 1950 | Small company accounts |
| SMC EUROCLAMP LIMITED | Cheshire | 1950 | Total exemption (full) |