| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Brightdale Ltd | 01580008 | 04/08/1992 | Dissolved |
| Crestpoint Ltd | 01248706 | 30/11/1992 | Dissolved |
| D & C (Brentford) Ltd | 01666115 | 31/12/1992 | Dissolved |
| D & C (Shepherds Bush) Ltd | 01666117 | 28/03/1992 | Dissolved |
| Duffy & Carr (Construction) Ltd | 02751312 | 08/10/1992 | Dissolved |
| Duffy & Carr (Northern) Limited | 02754989 | 16/11/1992 | Dissolved |
| Duffy & Carr (Properties) Limited | 02842466 | 23/08/1993 | Dissolved |
| Duffy & Carr (Specialised Works) Limited | 02751602 | 16/11/1992 | Dissolved |
| Grangestar Building Services Limited | 01698736 | 31/05/1991 | Dissolved |
| Regalpark Ltd | 01452023 | 04/08/1992 | Dissolved |
| Sallis & Haider Ltd | 01907395 | 14/09/1993 | Dissolved |
| Shelfdean Limited | 01510542 | 31/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADD CONTRACTING LIMITED | 06002171 | 10/01/2007 | 08/11/2010 | Dissolved |
| Brightdale Ltd | 01580008 | 31/12/1991 | 04/08/1992 | Dissolved |
| CHEVIOT 105 LIMITED | 05293499 | 22/11/2004 | 08/11/2010 | Dissolved |
| CITY & SOUTHERN PROPERTIES LIMITED | 04854807 | 04/08/2003 | 08/11/2010 | Bronze |
| CUBITT BUILDING & INTERIORS LIMITED | 03666633 | 12/11/1998 | 08/11/2010 | Dissolved |
| DUFFY CONSTRUCTION LIMITED | 01302042 | 01/12/1998 | 08/11/2010 | Bronze |
| DUFFY CONTRACT SERVICES LIMITED | 02391006 | 01/12/1998 | 08/11/2010 | Two Red Flags |
| DUFFY GROUP LIMITED | 02495020 | 06/10/1995 | 08/11/2010 | Bronze |
| Preplan Insurance Consultants Ltd | 01420132 | 31/12/1991 | 31/01/1992 | Dissolved |
| Preplan Insurance Consultants Ltd | 01420132 | 31/12/1991 | 31/01/1992 | Dissolved |
| WELLS PLANT HIRE LIMITED | 01271937 | 31/12/1992 | 08/11/2010 | One Red Flag |