Private Sector | Voluntary Sector |
| Abbey | Avenues Trust |
| Accenture | Barnardo's |
| Alfred McAlpine | Cancer Research UK |
| Amerada Hess | Save the Children UK |
| AstraZeneca | Workers' Educational Association |
| BAE Systems | WWF-UK |
| Barclays | |
| Bayer | Central Government / Other Public Sector |
| Boots Company | Audit Commission |
| British American Tobacco | British Council |
| BT Retail | Cabinet Office |
| BT Wholesale | Defra |
| BUPA | Department for Culture, Media & Sport |
| ConocoPhillips | Department for Children, Schools and Families |
| Deloitte | Department for Work and Pensions |
| Ernst & Young | Department of Health |
| Federation of Small Businesses | Department for Business, Enterprise and Regulatory Reform |
| Fujitsu Services | Financial Services Authority |
| GKN | GCHQ |
| Gemserv | Health & Safety Executive |
| HBOS | HM Revenue & Customs |
| IBM UK | HM Treasury |
| The John Lewis Partnership | Home Office |
| Johnson Matthey | House of Lords |
| KPMG | London Development Agency |
| Lloyds TSB Group | Ministry of Defence |
| National Grid | Office of Fair Trading |
| Nationwide Building Society | Postcomm |
| Norwich Union | Treasury Solicitor's Department |
| Reliance Security Group | Welsh Assembly Government |
| Rolls-Royce | |
| Royal Bank of Scotland Group | Local Government |
| Royal Mail | Cambridgeshire County Council |
| SAIC | Cardiff Council |
| United Utilities | Essex County Council |
| Liverpool City Council |
| London Borough of Sutton |
| Oxfordshire County Council |
| Slough Borough Council |