| British Transport Police | Police, Fire & Emergency Services | London |
| British Waterways Board | Central & Civil Government | Yorkshire and The Humber |
| Bro Morgannwg NHS Trust | National Health Service | Wales |
| Bromford Housing Group | Registered Social Landlords | West Midlands |
| Bromsgrove District Council | Local Government | West Midlands |
| Broxtowe Borough Council | Local Government | East Midlands |
| Buckinghamshire & Milton Keynes Fire Authority | Police, Fire & Emergency Services | South East |
| Buckinghamshire County Council | Local Government | South East |
| Bury College | Education | North West |
| Bury Metropolitan Borough Council | Local Government | North West |
| Buying Solutions | Central & Civil Government | North West |
| Caerphilly County Borough Council | Local Government | Wales |
| Cairngorms National Park Authority | Central & Civil Government | Scotland |
| Calderdale Metropolitan Borough Council | Local Government | Yorkshire and The Humber |
| Cambridgeshire & Peterborough Fire & Rescue Service | Police, Fire & Emergency Services | East of England |
| Cambridgeshire & Peterborough Mental Health NHS Trust | National Health Service | East of England |
| Cambridgeshire Constabulary | Police, Fire & Emergency Services | East of England |
| Cambridgeshire County Council | Local Government | East of England |
| Cannock Chase District Council | Local Government | West Midlands |
| Canterbury City Council | Local Government | South East |