| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Factored Engineering Products (Manchester) Ltd. | 02554908 | 02/11/1991 | Dissolved |
| Farra-Nail Supplies Ltd | 03165583 | 28/02/1996 | Dissolved |
| Fitlock (South West) Limited | 02023727 | 31/12/1990 | Dissolved |
| Fitlock (West Midlands) Limited | 02152804 | 16/10/1991 | Dissolved |
| H V & Industrial Supplies Ltd | 03084577 | 23/08/1995 | Dissolved |
| Heating Ventilation and Ductwork Components Ltd | 02616724 | 04/06/1992 | Dissolved |
| Orfit (U.K.) Limited | 02499582 | 08/05/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLAKEACRE LIMITED | 02019304 | 19/12/1992 | 13/08/2012 | Not Trading |
| FIT-LOCK SYSTEMS LIMITED | 03091603 | 22/08/1995 | 22/08/2019 | Silver |
| FITLOCK ( CYMRU - WALES ) LTD. | 02064817 | 31/12/1992 | 01/07/1994 | Dissolved |
| Fitlock (North Lancashire) Ltd | 02135924 | 31/12/1991 | 31/10/1994 | Dissolved |
| Fitlock (Staffordshire) Ltd | 01912712 | 31/12/1992 | 31/10/1994 | Dissolved |
| Fitlock (Yorkshire) Ltd | 02114136 | 31/12/1992 | 31/10/1994 | Dissolved |
| Fitlock Ltd | 01650137 | 12/09/1990 | 31/10/1994 | Dissolved |
| NKA HOLDINGS LIMITED | 09489860 | 13/03/2015 | 22/08/2019 | Dissolved |
| RANGETREND LIMITED | 01558989 | 14/08/1991 | 13/08/2012 | Not Trading |