| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A E S (Prestwick) Ltd | SC123204 | 21/04/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRPORT OPERATORS ASSOCIATION LTD. | 01041754 | 01/08/1999 | 30/08/2007 | Bronze |
| GLASGOW AIRPORT LIMITED | SC096624 | 26/06/1989 | 01/09/1996 | Gold |
| Glasgow Handling Ltd. | SC148691 | 28/01/1994 | 10/02/1997 | Dissolved |
| Greater Glasgow Tourist Board & Convention Bureau | SC117011 | 31/03/1989 | 10/01/1994 | Dissolved |
| RENFREWSHIRE CHAMBER OF COMMERCE LIMITED | SC041529 | 06/01/1995 | 07/02/1996 | Silver |
| SCOTTISH ENTERPRISE RENFREWSHIRE | SC130490 | 23/03/2000 | 08/10/2001 | Not Trading |
| THE SCOTTISH COUNCIL FOR DEVELOPMENT AND INDUSTRY | SC024724 | 01/04/2001 | 03/08/2006 | Amber |
| TOURCO LIMITED | SC225034 | 27/02/2006 | 30/04/2007 | Gold |