| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Educational Tours for Schools Ltd | 02665025 | 27/01/1992 | Dissolved |
| Nst Group Travel Company Ltd | 02766791 | 16/02/1993 | Dissolved |
| Study Link Ltd | 02483732 | 04/12/1992 | Dissolved |
| Studylink Ltd | 04258540 | 25/07/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ETS FINANCIAL SERVICES LIMITED | 03130421 | 01/12/1995 | 01/02/2008 | Dissolved |
| NST FOREIGN HOLDINGS LIMITED | 00919755 | 11/04/1991 | 01/02/2008 | Dissolved |
| NST HOLDINGS LIMITED | 06322303 | 03/08/2007 | 01/02/2008 | Not Trading |
| NST TRANSPORT SERVICES LIMITED | 03130532 | 01/12/1995 | 01/02/2008 | Bronze |
| NST TRAVEL GROUP HOLDINGS LIMITED | 05244593 | 07/10/2004 | 01/02/2008 | Dissolved |
| NST TRAVEL GROUP LIMITED | 02665024 | 19/12/1991 | 01/02/2008 | Bronze |
| S.A.G.T.A. Ltd | 01100064 | 05/06/1991 | 07/07/1992 | Dissolved |
| SCHOOL TRAVEL FORUM LTD | 04533889 | 24/02/2006 | 15/02/2008 | Gold |