| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EXPO FLOORS LIMITED | 02613814 | 16/07/1991 | Bronze |
| EXPO FLOORS LIMITED | 02613814 | 31/08/2008 | Bronze |
| Expo Signs Ltd | 05321214 | 25/01/2005 | Dissolved |
| Expo-Link 24 7 Llp | OC330871 | 28/08/2007 | Dissolved |
| PORTLAND HOLDINGS LIMITED | 02613387 | 16/07/1991 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Birmingham Services Ltd | 01883382 | 05/10/1991 | 02/12/1991 | Dissolved |
| EXHIBITION FLOOR HIRE LIMITED | 02967509 | 19/09/1994 | 27/08/2024 | Not Trading |
| PORTLAND ALLOYS LIMITED | 05079574 | 31/07/2008 | 04/05/2023 | Gold |
| PORTLAND ALLOYS LIMITED | 05079574 | 26/03/2004 | 27/11/2017 | Gold |
| PORTLAND LIGHTING LIMITED | 02826511 | 16/11/1993 | 01/07/2011 | Bronze |