| T. HALLIDAY ENGINEERING LIMITED | Sunbury on Thames | 1976 | Total exemption (full) |
| ROFTEN GALVANIZING LIMITED | Cheshire | 1976 | Total exemption (full) |
| DYNATHERM LIMITED | Bromsgrove | 1976 | Total exemption (full) |
| A J DUNBAR (ENGINEERING) LIMITED | Oldmeldrum | 1976 | Unaudited abridged |
| ANDREWS & ELMES ENGINEERING LIMITED | Worcestershire | 1976 | Unaudited abridged |
| E.E. INGLETON ENGINEERING LIMITED | Sheffield | 1976 | Total exemption (full) |
| CODE-A-WELD (GREAT YARMOUTH) LIMITED | Great Yarmouth | 1976 | Total exemption (full) |
| 2.K. TOOLS (COVENTRY) LIMITED | Nuneaton | 1976 | Total exemption (full) |
| HIGHLAND METALS LIMITED | Moray | 1976 | Full accounts |
| G.E.S. HYDRAULICS LIMITED | Crowland | 1977 | Unaudited abridged |
| VENTURE ENGINEERING CAPITAL LIMITED | Poole | 1977 | Audit-exempt subsidiary |
| W.A. MCGARRIE & SON LIMITED | — | 1977 | Total exemption (full) |
| PROCUT LIMITED | Wokingham | 1977 | Total exemption (full) |
| M.HASSON AND SONS LIMITED | Ballymena | 1977 | Total exemption (full) |
| MARQUIS PRECISION ENGINEERING COMPANY LIMITED | Weymouth | 1977 | Total exemption (full) |
| L.V. TOMLINSON AND SON LIMITED | Driffield | 1977 | Total exemption (full) |
| LEYLETTS ENGINEERING COMPANY LIMITED | West Bromwich | 1977 | Unaudited abridged |
| NORTHERN CAM COMPANY LIMITED | Nr Leeds | 1977 | Total exemption (full) |
| BOOTLE CONTAINERS LIMITED | Widnes | 1977 | Total exemption (full) |
| LESJOFORS HEAVY SPRINGS UK LIMITED | Redruth | 1977 | Full accounts |
| TOTALAIR H & V LIMITED | Cardiff | 1977 | Total exemption (full) |
| BRACEBRIDGE ENGINEERING LIMITED | Birmingham | 1977 | Total exemption (full) |
| DUCTFORM VENTILATION (U.K.) LTD. | Glenrothes | 1977 | Total exemption (full) |
| PETERBOROUGH PLATING COMPANY LIMITED | Wisbech | 1977 | Total exemption (full) |
| SHAPERITE PROFILES LIMITED | Dudley | 1977 | Total exemption (full) |
| BRUNEL STEEL SERVICES LIMITED | Newport | 1977 | Small company accounts |
| BURTON WIRE AND TUBE COMPANY LIMITED | Swadlincote | 1977 | Total exemption (full) |
| S. & G. FABRICATIONS (LOWESTOFT) LIMITED | — | 1977 | Total exemption (full) |
| BEZWELL FIXINGS LIMITED | Sheffield | 1977 | Total exemption (full) |
| ROLLS-ROYCE POWER ENGINEERING LIMITED | Derbyshire | 1977 | Full accounts |
| WILLIAMS AND OAKEY ENGINEERING COMPANY LIMITED | Bath | 1977 | Total exemption (full) |
| JUBILEE CLIPS LIMITED | Gillingham | 1977 | Small company accounts |
| JAMES AIKEN ENGINEERING SOLUTIONS LIMITED | Aberdeen | 1977 | Total exemption (full) |
| SUMITOMO ELECTRIC HARDMETAL LIMITED | Birmingham | 1977 | Full accounts |
| IVEL 2 LIMITED | London | 1977 | Total exemption (full) |
| EVANS TURNER (FINISHES) LIMITED | Crayford | 1977 | Total exemption (full) |
| VISTAPLAN INTERNATIONAL LIMITED | Daventry | 1977 | Small company accounts |
| CLASSIC MINIATURES LIMITED | Feltham | 1977 | Total exemption (full) |
| RUBB BUILDINGS LIMITED | Gateshead | 1977 | Full accounts |
| H & B. WIRE FABRICATIONS LIMITED | Grange Employment Area | 1977 | Small company accounts |
| THREADMASTER GAUGES LIMITED | Kenilworth | 1977 | Total exemption (full) |
| RANDALLS FABRICATIONS LIMITED | Derby | 1977 | Small company accounts |
| SUGDEN LIMITED | Nelson | 1977 | Small company accounts |
| R AND J MESH LIMITED | Brierley Hill | 1977 | Total exemption (full) |
| SMART SYSTEMS LIMITED | North Somerset | 1977 | Full accounts |
| FORSYTHS LIMITED | Aberlour | 1977 | Group accounts |
| ORTHOS (PROJECTS) LIMITED | Leicestershire | 1977 | Total exemption (full) |
| S.P.B. METAL WORKS LIMITED | Luton | 1977 | Total exemption (full) |
| G. & R. ENGINEERING (NANTWICH) LIMITED | Nantwich | 1977 | Total exemption (full) |
| MULTIGRIND SERVICES LIMITED | Rickmansworth | 1977 | Total exemption (full) |
| D & M PORTER LIMITED | Penrith | 1977 | Total exemption (full) |
| QUICK FINISHES LIMITED | Bilston | 1977 | Total exemption (full) |
| SIMONSWERK UK LIMITED | Alexandra Road | 1977 | Small company accounts |
| DONTAUR ENGINEERING LIMITED | Ballymena | 1977 | Full accounts |
| ASHBY PRECISION ENGINEERING LIMITED | Abingdon | 1977 | Total exemption (full) |
| T. SHINTON ENGINEERING LIMITED | Ettingshall Road | 1977 | Unaudited abridged |
| HARLECH INDUSTRIAL DOORS LIMITED | Barry | 1977 | Total exemption (full) |
| PELL & BALDWIN (FABRICATIONS) LIMITED | Peterborough | 1977 | Total exemption (full) |
| TOOLMAX GENERAL ENGINEERING LIMITED | Winchester | 1977 | Total exemption (full) |
| G.R.M. ENGINEERING & CONTRACT SERVICES LIMITED | Goole | 1977 | Total exemption (full) |