| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AIRFRAME LIMITED | 03513761 | 06/03/1998 | Not Trading |
| AYRFRAME LIMITED | SC181970 | 21/01/1998 | Not Trading |
| AYRSHIRE METAL PENSION TRUST LIMITED | SC049149 | 25/04/1997 | Silver |
| AYRSHIRE METAL PRODUCTS (DAVENTRY) LIMITED | SC022877 | 01/01/1994 | Gold |
| AYRSHIRE METAL PRODUCTS PUBLIC LIMITED COMPANY | SC006517 | 26/05/1989 | Silver |
| AYRSHIRE METALS LTD | 09851201 | 02/11/2015 | Bronze |
| BALLOCHMORRIE LIMITED | SC242692 | 22/01/2003 | Silver |
| BALLOCHMORRIE LIMITED | SC242692 | 17/12/2010 | Silver |
| CIRCUS LITERARY AGENCY LIMITED | SC240470 | 03/12/2002 | Dissolved |
| CIRCUS LITERARY AGENCY LIMITED | SC240470 | 03/12/2002 | Dissolved |
| CREAR LIMITED | NI004017 | 31/12/1999 | Not Trading |
| CREAR LIMITED | NI004017 | 31/12/1999 | Not Trading |
| KNAPDALE (NOMINEES) LIMITED | SC034375 | 15/05/2006 | Not Trading |
| KNAPDALE (NOMINEES) LIMITED | SC034375 | 13/01/1989 | Not Trading |
| LOTHIAN STRUCTURAL DEVELOPMENTS LIMITED | SC024198 | 06/06/1996 | Dissolved |
| MARK HILL FARMS LIMITED | SC060119 | 20/09/1995 | Silver |
| MARK HILL FARMS LIMITED | SC060119 | 13/01/1989 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCELORMITTAL SSC UK BIRMINGHAM LIMITED | 00214843 | 30/04/1991 | 30/07/2003 | Dissolved |
| AYRSHIRE STEEL FRAMING LTD | 03898009 | 22/12/1999 | 19/06/2018 | Gold |