| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D C I Services Ltd | 02817036 | 12/05/1993 | Dissolved |
| DCI PROPERTY LLP | OC311959 | 04/03/2005 | Silver |
| DD-SCIENTIFIC HOLDINGS LIMITED | 12515730 | 12/03/2020 | Bronze |
| DD-SCIENTIFIC LIMITED | 07593818 | 06/04/2011 | Silver |
| Enetech Products Ltd | 03967331 | 30/10/2003 | Dissolved |
| Plant Design Concepts Ltd | 03180345 | 29/03/1996 | Dissolved |
| WARRIOR BUSINESS CENTRE MANAGEMENT COMPANY LIMITED(THE) | 01986751 | 14/07/2011 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| D.C.I. HOLDINGS LIMITED | 04991966 | 11/12/2003 | 01/10/2018 | Silver |
| DCI REFRIGERATION & ELECTRICAL LIMITED | 03981600 | 27/04/2000 | 31/12/2021 | Bronze |