| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| R J B Mining Pension Trustees Ltd | 02949643 | 18/07/1994 | Dissolved |
| Rjb Coal Research Ltd | 03253383 | 11/10/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLENKINSOPP COLLIERIES LIMITED | 00540257 | 15/12/1993 | 08/01/1998 | Insolvent |
| Blenkinsopp Leasing Ltd | 01508004 | 07/01/1998 | 08/01/1998 | Dissolved |
| CENTECHNOLOGY (UK) LTD | 03254505 | 11/10/1996 | 01/10/2004 | Insolvent |
| COAL SUPPLIES (UK) LIMITED | 02511272 | 15/12/1993 | 01/10/2004 | Dissolved |
| COALFIELD ESTATES LIMITED | 04380665 | 12/03/2002 | 01/10/2004 | Dissolved |
| CONTRACTORS FACILITIES LIMITED | 01005098 | 15/12/1993 | 01/10/2004 | Insolvent |
| CRAIGMAN COLLIERY LIMITED | 02770007 | 16/12/1992 | 01/10/2004 | Dissolved |
| EOS INC. LTD | 04006353 | 02/06/2000 | 01/10/2004 | Bronze |
| FUTURECOAL LIMITED | 01947623 | 26/06/2001 | 01/11/2004 | Bronze |
| HARWORTH ESTATES (AGRICULTURAL LAND) LIMITED | 02835767 | 13/07/1993 | 01/10/2004 | Gold |
| HARWORTH ESTATES (WAVERLEY PRINCE) LTD. | 03020652 | 29/02/1996 | 01/10/2004 | Bronze |
| HARWORTH ESTATES GROUP LIMITED | 02835497 | 13/07/1993 | 01/10/2004 | Dissolved |
| HARWORTH ESTATES LIMITED | 02173536 | 15/12/1993 | 01/10/2004 | Gold |
| HARWORTH ESTATES NO 2 LIMITED | 01827325 | 15/12/1993 | 01/10/2004 | Not Trading |
| HARWORTH GROUP PLC | 02649340 | 27/09/1992 | 01/10/2004 | Gold |
| HARWORTH GUARANTEE CO. LIMITED | 04297836 | 12/03/2002 | 01/10/2004 | Dissolved |
| HARWORTH HAULAGE LTD | 01824798 | 15/12/1993 | 01/10/2004 | Dissolved |
| HARWORTH INSURANCE COMPANY LIMITED | 03078354 | 15/04/1996 | 01/10/2004 | Dissolved |
| HARWORTH MINING (COLLIERY NO.1) LTD | 02835669 | 13/07/1993 | 01/10/2004 | Dissolved |
| HARWORTH NO. 3 LIMITED | 04380757 | 12/03/2002 | 01/10/2004 | Dissolved |
| HARWORTH PARK SERVICES LTD | 03021845 | 29/02/1996 | 01/10/2004 | Dissolved |
| HARWORTH PLANT & EQUIPMENT LTD | 02649344 | 15/12/1993 | 01/10/2004 | Dissolved |
| HARWORTH POWER LIMITED | 01156905 | 29/11/1994 | 01/10/2004 | Dissolved |
| HARWORTH PROPERTIES LIMITED | 03022023 | 29/02/1996 | 01/10/2004 | Dissolved |
| HARWORTH REGENERATION LIMITED | 02649352 | 15/12/1993 | 01/10/2004 | Not Trading |
| HARWORTH SERVICES LIMITED | 02332274 | 15/12/1993 | 01/10/2004 | Gold |
| HARWORTH TRUSTEES LTD | 02974489 | 01/09/1995 | 09/10/1996 | Dissolved |
| INDUSTRY-WIDE COAL STAFF SUPERANNUATION SCHEME CO-ORDINATOR LIMITED | 03003429 | 15/03/1999 | 01/10/2004 | Amber |
| INDUSTRY-WIDE MINEWORKERS' PENSION SCHEME CO-ORDINATOR LIMITED | 03003338 | 22/06/1995 | 01/10/2004 | Amber |
| JUNIPER (NO. 7) LIMITED | 02649336 | 15/12/1993 | 01/10/2004 | Insolvent |
| JUNIPER (NO.3) LIMITED | 02997374 | 29/12/1994 | 01/10/2004 | Insolvent |
| JUNIPER (NO.6) LIMITED | 02835660 | 13/07/1993 | 01/10/2004 | Dissolved |
| LHTC LTD | 02930412 | 29/02/1996 | 01/10/2004 | Dissolved |
| MONCKTON COKE & CHEMICAL COMPANY LIMITED(THE) | 00070960 | 28/02/1995 | 01/10/2004 | One Red Flag |
| Monk,A,& Co (Pension Trust) Ltd | 00569565 | 01/08/1991 | 29/02/1992 | Dissolved |
| PARKLANDS COLLIERY COMPANY LIMITED | 00798370 | 15/12/1993 | 01/10/2004 | Dissolved |
| RJB MINING (UK) LTD | 02200408 | 15/12/1993 | 01/10/2004 | Dissolved |
| THE MONCKTON COKE & CHEMICAL STAFF PENSION SCHEME TRUSTEES LIMITED | 02627193 | 20/12/1996 | 01/10/2004 | Dissolved |
| UK COAL PENSION TRUSTEE LIMITED | 03274838 | 01/11/1996 | 01/10/2004 | Dissolved |
| Union Row Mining Consultants Ltd | 03021836 | 29/02/1996 | 08/10/2002 | Dissolved |