| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BOND CIVIL ENGINEERING LIMITED | SC412205 | 28/11/2011 | Dissolved |
| CROSSOVER SERVICES LIMITED | SC170579 | 30/09/1997 | Dissolved |
| CROSSOVER SERVICES LIMITED | SC170579 | 12/12/1996 | Dissolved |
| Internetdelivery.Co.Uk Ltd | SC202859 | 10/01/2000 | Dissolved |
| Internetdelivery.Co.Uk Ltd | SC202859 | 10/01/2000 | Dissolved |
| Keldon Developments Ltd | SC213895 | 09/01/2001 | Dissolved |
| McMaxroy Development Company Ltd | SC193429 | 10/02/2000 | Dissolved |
| NICSCO LIMITED | SC275064 | 22/10/2004 | Dissolved |
| NON INTRUSIVE CROSSOVER SYSTEM LIMITED | SC417944 | 27/02/2012 | One Red Flag |
| RAILCONSULT LIMITED | SC204992 | 14/03/2000 | Dissolved |
| RAILCONSULT LIMITED | SC204992 | 14/03/2000 | Dissolved |
| RAILWAY ENGINEERING ASSOCIATES LIMITED | SC117365 | 24/03/2003 | One Red Flag |
| RAILWAY ENGINEERING ASSOCIATES LIMITED | SC117365 | 24/03/2003 | One Red Flag |
| SCOTT-SMITH LIMITED | SC107718 | 28/12/1989 | Dissolved |
| SCOTT-TRACK IP LIMITED | SC249469 | 01/07/2003 | Dissolved |
| SCOTT-TRACK LIMITED | SC102585 | 13/11/1990 | Dissolved |
| SCOTTBRIDGE CONSTRUCTION LIMITED | SC094074 | 02/05/1991 | Dissolved |
| TERMINAL FREIGHT (MANAGEMENT) LIMITED | SC143609 | 30/03/1993 | Dissolved |
| TERMINAL FREIGHT (MANAGEMENT) LIMITED | SC143609 | 30/03/1993 | Dissolved |
| VALAFIELD LIMITED | SC138741 | 28/05/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GARTCOSH LANDWORKS COMPANY LIMITED | SC322551 | 30/04/2007 | 22/02/2012 | One Red Flag |
| I-Store.Com Ltd. | SC205064 | 15/03/2000 | 07/12/2000 | Dissolved |
| I-Store.Com Ltd. | SC205064 | 15/03/2000 | 07/12/2000 | Dissolved |
| KILGARTH DEVELOPMENT COMPANY LIMITED | SC193430 | 24/03/2003 | 01/07/2011 | One Red Flag |
| KILGARTH DEVELOPMENT COMPANY LIMITED | SC193430 | 10/02/2000 | 29/06/2011 | One Red Flag |