| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARTON BUSES LIMITED | 02347412 | 24/08/1991 | Gold |
| CARIOLE LIMITED | 09138271 | 18/07/2014 | Silver |
| FINE MEADOW LIMITED | 09186000 | 21/08/2014 | Silver |
| KINCHBUS LIMITED | 02116469 | 30/01/1998 | Bronze |
| KLEANLINE LIMITED | 02798477 | 30/01/1998 | Silver |
| MIDLAND GENERAL OMNIBUS COMPANY LIMITED(THE) | 02014103 | 04/12/1991 | Amber |
| NOTTINGHAMSHIRE AND DERBYSHIRE TRACTION COMPANY LIMITED | 02070429 | 04/12/1991 | Gold |
| T M TRAVEL LIMITED | 05028805 | 05/01/2010 | Gold |
| TRENT MOTOR TRACTION COMPANY LIMITED(THE) | 00131912 | 04/12/1991 | Silver |
| WELLGLADE HOLDINGS LIMITED | 07136836 | 26/01/2010 | Silver |
| WELLGLADE LIMITED | 01980546 | 04/12/1991 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONFEDERATION OF PASSENGER TRANSPORT UK | 01182437 | 15/12/2005 | 07/09/2018 | Bronze |
| EAST MIDLANDS CHAMBER (DERBYSHIRE, NOTTINGHAMSHIRE, LEICESTERSHIRE) | 01785710 | 14/11/2006 | 04/11/2015 | Gold |
| HIGH PEAK BUSES LTD | 07623806 | 01/04/2012 | 13/10/2014 | One Red Flag |
| NOTTINGHAM TRAMS LIMITED | 07644670 | 21/07/2011 | 03/01/2012 | Gold |
| TRAMLINK NOTTINGHAM (FINCO) LIMITED | 07865421 | 25/10/2012 | 26/10/2012 | One Red Flag |
| TRAMLINK NOTTINGHAM (HOLDINGS) LIMITED | 07595316 | 25/09/2014 | 26/09/2014 | One Red Flag |
| TRAMLINK NOTTINGHAM LIMITED | 07599425 | 28/06/2012 | 29/06/2012 | One Red Flag |
| The Nottinghamshire Chamber of Commerce & Industry | 00150213 | 29/08/2001 | 13/11/2006 | Dissolved |
| UNIVERSITYBUS LIMITED | 02350582 | 18/08/1999 | 31/07/2011 | Silver |
| UNO BUSES (NORTHAMPTON) LIMITED | 06375511 | 23/10/2007 | 31/07/2011 | Amber |