| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CITYBUS LIMITED | NI009039 | 12/10/2011 | 30/06/2019 | Silver |
| FLEXIBUS LIMITED | NI006724 | 12/10/2011 | 30/06/2019 | Not Trading |
| ILEX URBAN REGENERATION COMPANY LIMITED | NI047244 | 01/07/2010 | 30/06/2013 | Dissolved |
| NIR NETWORKS LIMITED | NI017638 | 12/10/2011 | 30/06/2019 | Not Trading |
| NIR OPERATIONS LIMITED | NI021091 | 12/10/2011 | 30/06/2019 | Bronze |
| NORTH WEST REGIONAL SCIENCE PARK LIMITED | NI614527 | 02/05/2013 | 30/06/2014 | One Red Flag |
| NORTHERN IRELAND CHAMBERS OF COMMERCE AND INDUSTRY | R0000078 | 24/08/1869 | 01/08/2008 | One Red Flag |
| NORTHERN IRELAND RAILWAYS COMPANY LIMITED | NI006929 | 12/10/2011 | 30/06/2019 | Silver |
| NORTHERN IRELAND SCIENCE PARK (HOLDINGS) LIMITED | NI039294 | 01/07/2008 | 30/06/2014 | One Red Flag |
| NORTHERN IRELAND SCIENCE PARK FOUNDATION LIMITED | NI035856 | 01/07/2008 | 30/06/2014 | Bronze |
| NORTHERN IRELAND SCIENCE PARK PROPERTY LIMITED | NI038987 | 01/07/2008 | 30/06/2014 | Silver |
| NORTHERN IRELAND SCIENCE PARK TRADING COMPANY LIMITED | NI038988 | 01/07/2008 | 30/06/2014 | Dissolved |
| STRATEGIC INVESTMENT BOARD LIMITED | NI045710 | 01/12/2010 | 30/11/2016 | Amber |
| THE GRAND OPERA HOUSE (THEATRE) LIMITED | NI050771 | 30/09/2007 | 11/03/2009 | One Red Flag |
| TRANSLINK (NI) LIMITED | NI006673 | 12/10/2011 | 30/06/2019 | Not Trading |
| ULSTERBUS LIMITED | NI006725 | 12/10/2011 | 30/06/2019 | Bronze |