| 151 Club | CF Financial |
| 3c Technology Ltd | Champions Estate Agents |
| Accelerys | Cognosis |
| Addenbrooke’s NHS Trust | Create |
| Advantech | CRT |
| Altona Energy | CSR |
| Altro Group PLC | Cutfield Freeman |
| Amalgamated Plastics Group | Dalgety Food Group |
| Amanda Kelly Design Studio | Deltron UK |
| Amarin Corporation | Dow Chemical PLC |
| Anglian Water | East Of England Development Agency |
| Faerch | Ernst & Young |
| Arthur D Little | Eversheds LLP |
| Atkins PLC | Finnlines |
| Autonomy | First Light Communications |
| Bank of Belgium | Forestry Commission |
| Bank of New York Mellon | Garton Jones |
| Berkeley Energy | Gate Ventures |
| Bidwell’s Chartered Surveyors | Greater Lincolnshire Council |
| BioMarin Pharmaceutical | Gregg’s Bakery |
| Bliss Charity | GW Pharmaceutical |
| Blue Latitude | Hamilton Bradshaw |
| BNP Paribas | Hartley's Fruit |
| Bob & Co PR | Hau Nan Bank |
| BTS | Hawkins & Associates |
| Budget Insurance | Hayhouse publishing |
| Building Society | Hayman's Distillers |
| Bulley Davey Chartered Accountants | Henry Riley Consulting |
| CACI | Herongate Leisure |
| Cambridge Consultants | Holley Holland |
| Cambridge Publishing | Hutcheson Paging Ltd |
| Cambridge University Hospitals NHS | Hutcheson Telecom |
| Cambs. Chamber of Commerce | Indigo |
| Campbells | IntelliQ |
| Caplin Systems | Interbrew |
| International Executive Search | Price Bailey |
| Jewish Policy Research Centre | Qualcomm |
| John Jones | Radley Green Recruitment |
| Johnson & Johnson | Rand Europe |
| Kelway | Regus |
| King’s College London | Robert Irving Burns |
| Knowledge to Action | Rocialle Health |
| Kwik-Fit | Royal United Services institute |
| Lambert Smith Hampton | Roythorne Legal |
| Language Link | Russian National Tourist Office |
| Leeds Day Solicitors | Sage |
| Light Blue Optics | Santander |
| Lime Jump | Saviso |
| Lloyds Bank | SBFI |
| Loeb Aron | Schering Plough |
| Malee online | Seafood Direct |
| Manfield Partners | Single Homeless Charity |
| Marlin PR | Skybound |
| Momentum ABM | Spanish Tourist Office |
| Netbanx | St Johns Innovation Centre |
| New Age Oil | Sugar Films |
| Newman Displays | Synlab |
| News Corporation | Tenno |
| N & P Building Society | The Children’s Legal Centre |
| Nulty Lighting | The Economist |
| Opal Money Transfer | Thermo Unicam |
| Orchard Therapeutics | Trillium |
| Outbrain | TTP Consulting |
| P&O Group PLC | Ultra Electronics |
| PA Consulting Group | University of Cambridge |
| PAXT | Venus Telecoms |
| PDSI | Waterfront Solicitors |
| Penn Chambers | Wellbeing of Women |
| Peppermint Events | Wrenbridge Land Ltd |
| Plurimi | Zeus Technology |
