| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BABCOCK PROPERTIES LIMITED | 00496683 | 31/07/1997 | Dissolved |
| Babcock Hydro-Pneumatics Ltd | 01171349 | 31/07/1997 | Dissolved |
| Babcock Spraymixer Ltd | 01743975 | 31/07/1997 | Dissolved |
| Blaw Knox Transmission Lines Ltd | 00223837 | 31/07/1997 | Dissolved |
| Bondlite Limited | 00619687 | 31/07/1997 | Dissolved |
| Bw Hydrometallurgical Processes Ltd | 01291779 | 31/07/1997 | Dissolved |
| COMFORT SYSTEMS LIMITED | 00978724 | 31/07/1997 | Not Trading |
| Equacrest Limited | 01116723 | 31/07/1997 | Dissolved |
| Gateway Electronics Ltd | 01441240 | 09/12/1991 | Dissolved |
| Kalami Ltd | 01587679 | 14/12/1991 | Dissolved |
| Koppers Coke Ouen Co. (1943) Limited | 00384589 | 31/07/1997 | Dissolved |
| Moxey Limited | 00305090 | 31/07/1997 | Dissolved |
| NRY ASSOCIATES LIMITED | 05603113 | 25/10/2005 | Dissolved |
| Nordac Limited | 00228326 | 31/07/1997 | Dissolved |
| RUTLAND ENGINEERING LIMITED | 00938925 | 31/07/1997 | Dissolved |
| Rockvale Finance Limited | 01166512 | 31/07/1997 | Dissolved |
| Shelfco (No. 681) Ltd | 02631968 | 16/10/1991 | Dissolved |
| THERMATURE LIMITED | 01043929 | 31/07/1997 | Dissolved |
| Television Control Systems Ltd | 01594004 | 14/12/1991 | Dissolved |
| Woodall Duckham Pension Trustees Limited | 00633538 | 31/07/1997 | Dissolved |
| Woodall-Duckham (U S A) Ltd | 01175153 | 31/07/1997 | Dissolved |
| Woodall-Duckham(Energy) Ltd | 00740014 | 31/07/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM DESIGN BUILD LIMITED | 02699219 | 28/10/1997 | 01/12/1998 | Silver |
| AMEC BKW LIMITED | 00169831 | 31/07/1997 | 15/09/1997 | Gold |
| BABCOCK DEFENCE SYSTEMS LIMITED | 02999029 | 31/07/1997 | 30/11/2001 | Bronze |
| BABCOCK DS 2019 LIMITED | 01199791 | 30/06/1998 | 30/11/2001 | Not Trading |
| BABCOCK EMPLOYEES' TRUSTEES LIMITED | 04125066 | 17/01/2001 | 30/11/2001 | Dissolved |
| BABCOCK HOLDINGS LIMITED | 02955502 | 31/07/1997 | 30/11/2001 | One Red Flag |
| BABCOCK INTERNATIONAL GROUP PLC | 02342138 | 31/07/1997 | 30/11/2001 | Silver |
| BABCOCK INTERNATIONAL LIMITED | 00065805 | 31/07/1997 | 30/11/2001 | One Red Flag |
| BABCOCK INVESTMENTS LIMITED | 00165086 | 31/07/1997 | 30/11/2001 | Silver |
| BABCOCK MANAGEMENT LIMITED | 00107414 | 31/07/1997 | 30/11/2001 | Bronze |
| BABCOCK NOMINEES LIMITED | 00711774 | 31/07/1997 | 30/11/2001 | Dissolved |
| BABCOCK OVERSEAS INVESTMENTS LIMITED | 02669327 | 31/07/1997 | 30/11/2001 | One Red Flag |
| BABCOCK SUPPORT SERVICES LIMITED | SC099884 | 31/07/1997 | 30/11/2001 | Bronze |
| BABCOCK UK FINANCE | 00096730 | 31/07/1997 | 30/11/2001 | Bronze |
| BABCOCK WOODALL-DUCKHAM (OVERSEAS) LIMITED | 00081133 | 31/07/1997 | 30/11/2001 | Dissolved |
| BABCOCK-MOXEY LIMITED | 00084992 | 31/07/1997 | 30/11/2001 | Dissolved |
| BIRCHILL INVESTMENT CO. LIMITED | 01201437 | 31/07/1997 | 30/11/2001 | Dissolved |
| BMH (2002) LIMITED | 00512697 | 31/07/1997 | 30/11/2001 | Dissolved |
| C. E. AUTOMATION LIMITED | 01026937 | 31/12/1991 | 21/07/1997 | Dissolved |
| CHEMRING GROUP PLC | 00086662 | 01/05/2013 | 30/04/2020 | Silver |
| CLAUDIUS PETERS (UK) LIMITED | 01148578 | 31/07/1997 | 30/11/2001 | Gold |
| FFE LIMITED | 01192710 | 14/12/1991 | 21/07/1997 | Amber |
| FIRST TECHNOLOGY AUTOMOTIVE LIMITED | 02504070 | 21/05/1992 | 21/07/1997 | Insolvent |
| FIRST TECHNOLOGY INTERNATIONAL LIMITED | 02504005 | 09/09/1992 | 21/07/1997 | Insolvent |
| FIRST TECHNOLOGY LIMITED | 01882393 | 26/11/1991 | 21/07/1997 | Insolvent |
| FIRST TECHNOLOGY MANAGEMENT SERVICES LIMITED | 00691494 | 11/12/1991 | 21/07/1997 | Dissolved |
| Glasgow Rail Maintenance Ltd | 02968607 | 30/06/1998 | 23/05/2001 | Dissolved |
| HIBERNA CONTRACT SERVICES LIMITED | 00457868 | 31/07/1997 | 30/11/2001 | Dissolved |
| MORGAN ADVANCED MATERIALS PLC | 00286773 | 08/04/2002 | 14/09/2004 | Silver |
| MORGAN HOLDINGS LIMITED | 01956134 | 08/04/2002 | 14/09/2004 | Silver |
| P2I LTD | 04814350 | 19/09/2013 | 16/12/2021 | One Red Flag |
| PEEL PORTS (BIHL) LIMITED | 00946273 | 31/07/1997 | 30/11/2001 | Dissolved |
| PETTY FRANCE INVESTMENT NOMINEES LIMITED | 01296533 | 08/04/2002 | 14/09/2004 | Not Trading |
| SENSATA TECHNOLOGIES LIMITED | 00644436 | 14/12/1992 | 21/07/1997 | Insolvent |
| ST. HELENS SECURITIES LIMITED | 00598708 | 31/07/1997 | 30/11/2001 | Dissolved |
| TERRASSEN HOLDINGS LIMITED | 01352995 | 08/04/2002 | 14/09/2004 | Silver |
| THE STIRLING BOILER COMPANY LTD. | SC004097 | 31/07/1997 | 30/11/2001 | Dissolved |
| TYNEHAM INVESTMENTS LIMITED | 01064494 | 31/07/1997 | 30/11/2001 | Dissolved |
| Tickford Rail Ltd | 02580965 | 31/07/1997 | 23/05/2001 | Dissolved |
| WASHWOOD HEATH RAIL SERVICES LTD | 03001044 | 31/07/1997 | 23/05/2001 | Dissolved |
| Wolverton Rail Maintenance Ltd | 02968584 | 31/07/1997 | 23/05/2001 | Dissolved |