| Telecoms | Utilities | Engineering |
| - UUNET, WorldCom | - Centrica Plc. | - Emerson Electric Co. |
| - BT Global Services | - United Utilities Plc. | |
| - Ionica Plc. | - Scottish Water | Financial Services: |
| - T-Mobile UK | - Nationwide Building Society | |
| Media | - Lloyds TSB | |
| Public Sector | - Hobsons Plc. | |
| - Dept. For Work & Pensions | Defence: | |
| - The Environment Agency | - BAE Systems Plc. | |
| - The Home Office | - Ministry of Defence | |
| - Ofqual | ||
