| Title | Country |
| FIS Global, Hertfordshire | United Kingdom |
| Mindteck, Hertfordshire | United Kingdom |
| Fujitsu, Hertfordshire | United Kingdom |
| Tekmark Global Solutions, LLC, Hertfordshire | United Kingdom |
| Informatiq Consulting, Hertfordshire | United Kingdom |
| Company Fusion, Hertfordshire | United Kingdom |
| Swan iT Recruitment, Hertfordshire | United Kingdom |
| Mastercell Computer Consultants Ltd., Hertfordshire | United Kingdom |
| Azteq Solutions Ltd, Hertfordshire | United Kingdom |
|
| DCKAP technologies, Hertfordshire | United Kingdom |
| 3Com Corporation, Hertfordshire | United Kingdom |
| Steria Limited, Hertfordshire | United Kingdom |
| Synaptris Decisions, Hertfordshire | United Kingdom |