| HENDERSON PROCESS SYSTEMS LIMITED | 05147582 | Leeds | 7 June 2004 | Liquidation |
| SANDERSON PRECISION PRODUCTS LIMITED | 04775566 | London | 23 May 2003 | In Administration |
| STEEL PRESSINGS LTD | 04481957 | Shipley | 10 July 2002 | Liquidation |
| ROCOT LIMITED | 02773200 | Retford | 14 December 1992 | Active |
| EAST GOSCOTE FABRICATIONS (1992) LIMITED | 02733707 | Sileby | 23 July 1992 | Liquidation |
| NORTH WEST DECOILING (TRADING) LIMITED | 02628239 | Warrington | 10 July 1991 | Active |
| HAWTHORN LESLIE FABRICATIONS LIMITED | 02593536 | Newcastle upon Tyne | 20 March 1991 | Liquidation |
| PARAGON FABRICATIONS LIMITED | 02473305 | Westbury | 22 February 1990 | Liquidation |
| SAVLEX LIMITED | 02398519 | Dudley | 26 June 1989 | Liquidation |
| 02327034 LIMITED | 02327034 | 31 Wellington Street | 9 December 1988 | Liquidation |
| ABERNEATH INDUSTRIES LIMITED | 02312720 | Cardiff | 3 November 1988 | Voluntary Arrangement |
| UNSCO STEELS LIMITED | 02311283 | | 1 November 1988 | Liquidation |
| SHEFFIELD FORGEMASTERS LIMITED | 02245637 | 33 Wellington Street Leeds | 19 April 1988 | Active |
| UES CABLE STREET MILLS LIMITED | 02184301 | | 28 October 1987 | Active |
| GILLIGAN FABRICATIONS LIMITED | 02006909 | County Durham | 4 April 1986 | Active |
| K. & H. ELECTRICAL & WELDING CONTRACTORS LIMITED | 01898985 | Bishops Stortford | 25 March 1985 | Active |
| SMITHSTEEL LIMITED | 01859508 | Bewdley | 30 October 1984 | Liquidation |
| ACTHERON (DIELIFE) LIMITED | 01845922 | Gosforth | 5 September 1984 | Liquidation |
| PREES ENGINEERING LIMITED | 01750948 | West Bromwich | 7 September 1983 | Liquidation |
| WEARDALE STEEL (WOLSINGHAM) LIMITED | 01709532 | | 25 March 1983 | Liquidation |
| LYCETT INDUSTRIES LIMITED | 01597040 | Nottingham | 11 November 1981 | Liquidation |
| HAYLEY STEELS LIMITED | 01536970 | Pheasey Estate Great Barr | 2 January 1981 | Active |
| ABLE-DUCT LIMITED | 01479237 | Eastbourne | 14 February 1980 | Liquidation |
| ANVIL METAL FABRICATIONS (GLASGOW) LIMITED | SC068955 | Glasgow | 30 July 1979 | Active |
| BROOKLYN SHEET METAL LIMITED | 01398681 | Kearsley Bolton | 9 November 1978 | Active |
| 01362414 LIMITED | 01362414 | 33 Wellington Street | 11 April 1978 | Active |
| BOYCE, BROWN & WILSON LIMITED | 01357257 | Guildford | 13 March 1978 | Liquidation |
| LIVERPOOL FABRICATION COMPANY LIMITED | 01286620 | Preston | 16 November 1976 | Active |
| DP REALISATIONS LIMITED | 01275725 | Birmingham | 2 September 1976 | Active |
| HEAD WRIGHTSON (STEELCAST) LIMITED | 01153510 | | 27 December 1973 | Liquidation |
| JONAH BANKS & SONS LIMITED | 01089146 | Birmingham | 1 January 1973 | Liquidation |
| W.B. SHEARING COMPANY LIMITED | 00889139 | | 6 October 1966 | Liquidation |
| ASW SHEERNESS STEEL LIMITED | 00882919 | Cardiff | 5 July 1966 | Liquidation |
| SURTEES ENGINEERS LIMITED | 00857881 | Newcastle upon Tyne | 31 August 1965 | Active |
| KENT FABRICATIONS LIMITED | 00847886 | | 6 May 1965 | Active |
| C. & B. STEELS LIMITED | 00833977 | | 12 January 1965 | Liquidation |
| NEW ERA STEEL FABRICATION COMPANY LIMITED | 00790883 | New Whittington | 6 February 1964 | Active |
| GREY IRON CASTINGS (WILLENHALL) LIMITED | 00746133 | Wolverhampton | 4 January 1963 | Active |
| RICHARDS & HEWITT(SALES)LIMITED | 00736040 | Byfleet | 21 September 1962 | Liquidation |
| MORGANS (TYSELEY) LIMITED | 00722571 | Birmingham | 30 April 1962 | Active |
| DRILLFIELD ENGINEERING CO,LIMITED | 00712986 | Sutton Coldfield | 16 January 1962 | Liquidation |
| C.WILD(OLDHAM)LIMITED | 00627636 | Chedderton | 7 May 1959 | Liquidation |
| UNIVERSAL PRESS WORK LIMITED | 00598782 | Birmingham | 12 February 1958 | Active |
| ARTHUR ROBINSON AND SONS (WILLENHALL) LIMITED | 00500433 | | 17 October 1951 | Liquidation |
| CAKEMORE LIMITED | 00424298 | 67 Newhall Street | 25 November 1946 | Liquidation |
| BENTLEY & ARMSTRONG LIMITED | 00399963 | Manchester | 2 November 1945 | Liquidation |
| PERKSON LIMITED | 00358700 | Tipton | 8 January 1940 | Liquidation |
| RICHD W CARR & COMPANY LIMITED | 00333413 | | 6 November 1937 | Liquidation |
| WARWILL,LIMITED | 00329840 | York Street | 15 July 1937 | Active |
| EDWARD BIDGOOD & CO.LIMITED | 00257118 | 38 York Place | 15 June 1931 | Liquidation |