| Accenture | Irwin Mitchell* |
| AIB* | Kainos* |
| AIG | Kent County Council* |
| Aviva* | Lucent Technologies |
| AXA* | MMT |
| Beachcroft LLP* | Ministry of Defence* |
| British Airways* | National Policing Improvement Agency |
| British Library | NATO |
| British Medical Journal | Pension Protection Fund |
| BT | Parity Training* |
| CACI* | Racal |
| Coller Capital | Reed Personnel |
| Department for Transport | Royal Liver |
| DHL | Royal Mail |
| Dyson | RWE Supply & Trading GmbH |
| Eircom | Safeway |
| Fujitsu Services | SEMA |
| Gambling Commission | Sift |
| Getronics | Somerfield* |
| Greater Manchester Police | The Telegraph Group* |
| HM Revenue and Customs | UK National Grid |
| IBM | University of Westminster |
| ICL | Virgin Mobile |
| Intellectual Property Office | Vodafone |
| ING | VSO |
* denotes a reference site that is immediately available
