| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRANFIELD IMPACT CENTRE LIMITED | 01946238 | 01/11/2004 | Dissolved |
| MARSH INDUSTRIES LIMITED | 05157928 | 01/01/2022 | Silver |
| SELGEVESI LIMITED | 15309378 | 27/11/2023 | Gold |
| WATER INNOVATE LIMITED | 05002719 | 23/12/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH WATER | 03953229 | 14/06/2000 | 16/06/2005 | Gold |
| CRANFIELD INNOVATIVE MANUFACTURING LIMITED | 02965434 | 07/10/2004 | 11/04/2021 | Bronze |
| THE VALE OF MARSTON SCHOOLS' TRUST | 07362459 | 14/09/2010 | 15/05/2012 | Not Trading |
| WATER AND SANITATION FOR THE URBAN POOR | 05419428 | 21/09/2006 | 30/06/2009 | Silver |
| WOOTTON ACADEMY TRUST | 07740758 | 17/10/2011 | 31/03/2018 | Silver |