| Amec |
| BT |
| Cabinet Office |
| Carrillion |
| Charity People |
| Christian Aid |
| CIPD Doncaster branch |
| CITB |
| Conoco |
| Coutts Consulting Group |
| Demontfort University |
| DFID |
| Doncaster Metropolitan Borough Council |
| EDF energy |
| FCO |
| GE (Bristol) |
| Gloucestershire Association for Mental Health |
| Hewlett Packard |
| HMRC |
| Learning Skills Council |
| Peter Black |
| Peugeot |
| Planned Futures |
| Prima Dental |
| Proteus Consulting |
| QED Consulting |
| Relate |
| Romec |
| Royal Mail |
| Shaftesbury Society |
| Social Enterprise London |
| Swanswell |
| The Post Office |
| TMP |
| UKTI |
| University of Gloucestershire |
| Vodafone |
| Warwick Consultants |
| Warwick University |
