| Ability Housing Association | 6 |
| Advance Housing & Support Ltd | 27 |
| Aldwyck Housing Group Ltd. | 34 |
| Aragon HA Ltd | 11 |
| ASRA Greater London HA Ltd | 25 |
| Bromford Carinthia HA Ltd | 146 |
| Buckinghamshire HA Ltd | 5 |
| Catalyst Communities Housing Association Ltd | 48 |
| Dimensions (UK) Ltd | 18 |
| East Homes Ltd | 1 |
| East Midlands HA Ltd | 1 |
| English Rural Housing Association Ltd | 8 |
| Guinness Midsummer Homes Ltd | 136 |
| Guinness Midsummer Ltd | 85 |
| Hanover Housing Association | 29 |
| Hastoe Housing Association Ltd | 249 |
| Hightown Praetorian and Churches HA Ltd | 248 |
| Home Group Ltd | 11 |
| Housing Solutions Limited | 59 |
| Jephson Homes HA Ltd | 1 |
| London & Quadrant Housing Trust | 1 |
| MacIntyre Housing Association Ltd | 23 |
| Masonic Housing Association | 32 |
| Metropolitan Housing Trust Ltd | 1 |
| Moat Homes Limited | 2 |
| Notting Hill Home Ownership HA Ltd | 59 |
| Orbit Group Ltd | 1 |
| Oxford Citizens HA Ltd | 4 |
| Paradigm Homes Charitable Housing Association Li | 209 |
| Places for People Homes Ltd | 71 |
| Places for People Individual Support Ltd | 1 |
| Progress Care HA Ltd | 27 |
| Sanctuary Carr-Gomm | 8 |
| Shaftesbury | 116 |
| South Anglia Housing Ltd | 72 |
| Southern Home Ownership Ltd | 1 |
| Thame & District HA Ltd | 24 |
| Thames Valley Charitable HA Ltd | 94 |
| Thames Valley HA Ltd | 29 |
| The Abbeyfield Society | 17 |
| The Guinness Trust | 426 |
| The Vale Housing Association Ltd | 112 |
| Vale of Aylesbury Housing Trust | 7305 |
| Windsor and District Housing Association | 28 |
| Wycombe Friendship HA Ltd | 122 |
