- Amsprop
- Barclays Bank PLC
- Bartletts SEAT
- Brentwood Borough Council
- BNP Paribas
- BP Oil UK Limited
- British Steel Pension Fund
- City & County of Swansea
- Colchester City Council
- Duchy of Lancaster
- Europcar Group UK Limited
- Certas Energy UK Limited
- Citivest
- Highway Stops Limited
- H R Owen PLC
- HSBC Bank PLC
- Jack Barclay Limited
- Legal & General Assurance Society Limited
- London Borough of Haringey
- London Borough of Tower Hamlets
- Luton Borough Council
- Norwich & Peterborough Building Society
- Portsmouth City Council
- Premier Autocentres
- Rushmoor Borough Council
- Tesco Stores Limited
- Hippodrome Casino
- ASDA
- Clarus Sourcing Services LLP
- McKesson Coproration
