| BURTON & BARLOW ENGINEERING LIMITED | Bury | 1977 | Unaudited abridged |
| BOLDVALE ENGINEERING LIMITED | Hayes | 1977 | Total exemption (full) |
| CAMLOCK SYSTEMS LIMITED | Eastbourne | 1977 | Total exemption (full) |
| TRUEFORM ENGINEERING LIMITED | Hayes | 1977 | Full accounts |
| R.C. JONES (LIFTING) LIMITED | Dudley | 1977 | Total exemption (full) |
| CODAY SHEET METAL FABRICATIONS (GREAT YARMOUTH) LIMITED | Great Yarmouth | 1977 | Total exemption (full) |
| ROUSANT SHERWOOD (MANUFACTURING) LIMITED | Henley-on-Thames | 1977 | Total exemption (full) |
| PARKSIDE STEEL (STOCKHOLDERS) LIMITED | London | 1977 | Medium company accounts |
| BOTT LIMITED | Bude | 1977 | Full accounts |
| J.R.R. ENGINEERING LIMITED | Leicester | 1977 | Total exemption (full) |
| KERN-LIEBERS LIMITED | Gainsborough | 1977 | Small company accounts |
| NEWARK COPPER CYLINDER COMPANY LIMITED | Newark | 1977 | Total exemption (full) |
| W. SPENCE & SON (BLACKSMITHS) LIMITED | Hose Melton Mowbray | 1977 | Total exemption (full) |
| PROPAK SHEET METAL LIMITED | Stevenage | 1977 | Medium company accounts |
| E.P.S. LOGISTICS TECHNOLOGY LIMITED | Sittingbourne | 1977 | Full accounts |
| EASTON SHEETMETAL LIMITED | Harlow | 1977 | Total exemption (full) |
| GRAHAM ENGINEERING LIMITED | Manchester | 1977 | Medium company accounts |
| J.G.W. COATINGS LIMITED | Sheffield | 1977 | Total exemption (full) |
| ALLAN HAYES ENGINEERING LIMITED | East Grinstead | 1977 | Total exemption (full) |
| TACHART LIMITED | Wednesbury | 1977 | Audit-exempt subsidiary |
| VACUSEAL LIMITED | Paisley | 1977 | Total exemption (full) |
| ARGON ENGINEERING (AIRDRIE) LIMITED | Airdrie | 1977 | Unaudited abridged |
| B P C BUILDING PRODUCTS LIMITED | High Peak | 1977 | Medium company accounts |
| UNILATHE LIMITED | Stoke on Trent | 1977 | Full accounts |
| J.A.GLOVER LIMITED | Gillingham | 1977 | Medium company accounts |
| D.R.J. ENGINEERING COMPANY LIMITED | High Wycombe | 1977 | Unaudited abridged |
| BELLEVILLE SPRINGS LIMITED | Worcestershire | 1977 | Audit-exempt subsidiary |
| TECHNO GROUP LIMITED | Rugby | 1977 | Group accounts |
| MERLIN ENGINEERING (BOLTON) LIMITED | Bolton | 1977 | Total exemption (full) |
| MORRISON & MACDONALD (HOLDINGS) LIMITED | — | 1977 | Total exemption (full) |
| T.E.L. ENGINEERING LIMITED | Stockport | 1977 | Total exemption (full) |
| BHW GROUP LIMITED | Borehamwood | 1977 | Total exemption (full) |
| NICHOL MCKAY LIMITED | Prestwick | 1977 | Small company accounts |
| ROWLESCOURT ENGINEERING LIMITED | Sheffield | 1977 | Total exemption (small) |
| A.S. MCGILL LIMITED | Croydon | 1977 | Total exemption (full) |
| SURVIVAL SYSTEMS INTERNATIONAL (UK) LIMITED | — | 1977 | Group accounts |
| LIDSTER AND WHITING LIMITED | Chatham | 1977 | Total exemption (full) |
| RFA - TECH LTD | Cardiff | 1977 | Full accounts |
| BALGUARD ENGINEERING LIMITED | Leighton Buzzard | 1977 | Total exemption (full) |
| F. MARTIN AND SON LIMITED | West Midlands | 1977 | Total exemption (full) |
| ROTAGRIP LIMITED | Birmingham | 1977 | Total exemption (full) |
| B.S.T. SUPPLIES & CO LTD | Bushbury | 1978 | Small company accounts |
| REDHILL MANUFACTURING LIMITED | Redditch | 1978 | Unaudited abridged |
| HARPER SIGNS LIMITED | Newcastle upon Tyne | 1978 | Total exemption (full) |
| OLDHAM ELECTROPLATING COMPANY LIMITED | Oldham | 1978 | Total exemption (full) |
| EMINOX LIMITED | Gainsborough | 1978 | Full accounts |
| F.T. GEARING SYSTEMS LIMITED | Aldershot | 1978 | Full accounts |
| BACHE PALLETS LIMITED | Stourbridge | 1978 | Total exemption (full) |
| GEORGE GREEN (KEIGHLEY) LIMITED | Keighley | 1978 | Total exemption (full) |
| HUCKNALL SHEET METAL ENGINEERING LIMITED | Bulwell | 1978 | Total exemption (full) |
| HEAP ECONOMISER LIMITED | Greater Manchester | 1978 | Total exemption (full) |
| ROWAN STEELS LIMITED | Kidderminster | 1978 | Total exemption (full) |
| WALRAVEN LTD | Banbury | 1978 | Full accounts |
| R.S. BROOKHOUSE ENGINEERING (EVESHAM) LIMITED | Bidford on Avon | 1978 | Small company accounts |
| WOOLLEY GMC ENGINEERING COMPANY LIMITED | Syston | 1978 | Medium company accounts |
| DANATROL LIMITED | Coventry | 1978 | Total exemption (full) |
| DOLLCAST LIMITED | Bridgend | 1978 | Total exemption (full) |
| LEE SPRING LIMITED | Rochdale | 1978 | Small company accounts |
| EVEDAN LIMITED | Cranleigh Surrey | 1978 | Total exemption (full) |
| KANNEGIESSER UK LIMITED | Banbury | 1978 | Full accounts |