| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aireshelta Yorkshire Ltd | 02613150 | 21/05/1991 | Dissolved |
| Double Jay Ltd | 02555244 | 05/11/1992 | Dissolved |
| Potter,John,& Associates Ltd | 01829366 | 01/01/1991 | Dissolved |
| Scanel-Nesco U K Ltd | 02295709 | 13/09/1992 | Dissolved |
| Scanel-Nesco U K Ltd | 02295709 | 13/09/1992 | Dissolved |
| Silver Gauntlet Ltd | 03156192 | 07/02/1996 | Dissolved |
| Sturton Developments Ltd | 01090320 | 01/01/1991 | Dissolved |
| Zed Components Ltd | 00987948 | 31/03/1991 | Dissolved |
| Zed Electronic Developments Ltd | 01127206 | 01/01/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Sgss Ltd | 03874967 | 10/11/1999 | 16/12/1999 | Dissolved |
| YORKSHIRE AIR MUSEUM & ALLIED AIR FORCES MEMORIAL | 01926148 | 19/12/1992 | 03/10/1993 | Bronze |