| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aerospace (Machining) Ltd. | 02909154 | 30/03/1994 | Dissolved |
| Aerospace (Sheet Metal) Ltd. | 02908346 | 30/03/1994 | Dissolved |
| Aerospace (Treatment) Ltd. | 02904672 | 30/03/1994 | Dissolved |
| Aerospace Engineering (Reading) Ltd. | 02912774 | 30/03/1994 | Dissolved |
| Aerospace Services (Reading) Ltd. | 02904678 | 30/03/1994 | Dissolved |
| Electronics Products Ltd | 00672571 | 17/11/1991 | Dissolved |
| Engineering Business Services Ltd | 00919950 | 17/11/1991 | Dissolved |
| S M C Leasing Ltd | 00510011 | 17/11/1991 | Dissolved |
| Sheet Metal Business Products Ltd | 02258479 | 17/11/1991 | Dissolved |
| Weldco Ltd | 01206242 | 17/11/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BERKSHIRE PROPERTY SERVICES LIMITED | 03116711 | 16/02/1996 | 18/11/2023 | Bronze |
| CENTRE COURT MANAGEMENT CO. (FRINDSBURY) LIMITED | 02101126 | 25/10/1991 | 25/06/2014 | Strike Off |
| DEFENDER COURT MANAGEMENT LIMITED | 03856147 | 06/03/2000 | 18/11/2023 | Silver |
| E HILLIER & SON (HOLDINGS) LTD | 00546111 | 17/11/1991 | 18/11/2023 | Gold |
| FRIARS GATE LIMITED | 05872827 | 19/12/2006 | 18/11/2023 | Amber |
| Hiller 'E' & Son (Hire) Ltd | 00574907 | 17/12/1991 | 02/12/1994 | Dissolved |