| Apollo Property Services Group Ltd | Durkan Ltd | Makers UK Ltd |
| Ashe Construction Ltd | Grehan Contractors Ltd | Mansell Construction Services Ltd |
| Balfour Beatty Refurbishments Ltd | Hertfordshire County Council | Mouchel Group Ltd |
| Barratt Homes | Higgins Construction plc | Newland Construction Ltd |
| Bellway Homes | Jarvis Contracting Ltd | Quinn (London) Ltd |
| Bovis Homes Ltd | Keir Southern | ROK |
| Cladding UK Ltd | Linbrook Services Ltd | T & B (Contractors) Ltd |
| Conaught Property Services Ltd | Linden Homes | T Butler & Sons (Sanston) Ltd |
| Concrete Repairs | London Borough of Barnet | Trak Residential Ltd |
| Crest Nicholson | London Borough of Camden | United House Ltd |
| David Wilson Homes Ltd | London Borough of Enfield | Watford Council |
| Diamond Build plc | London Borough of Westminster | William Verry Ltd |
