| Coolwave. New e-media software company, providing website and database technical support. |
| ECP.NL (Platform for eNederlands). An independent platform that dedicates itself to the development of the Netherlands as information society. Public organisations as well as private organisations are participating in this platform. Leads the policy research foundation of QUATRO. |
| i-sieve Technologies Information extraction, machine learning and web-based multimedia data analysis experts. |
| MDR Partners. Specialist partnership who works with museums, archives and other organisations in the cultural heritage and education sectors. MDR is the Project Manager for the current QUATRO+ project. |
| NCSR "Demokritos" (The Greek National Centre for Scientific Research). Knowledge engineering and artificial intelligence experts. |
| Software602. One of the largest Czech software producers of desktop software for MS Windows and client/server applications for Windows & Linux servers. Also partner for the combined Safer Internet Awareness node for the Czech Republic. |
| University of Milan (Department of Computer Science and Communication). Research interest in usability testing, permissioning systems and database management. |
| University of Insubria (Database and Web Security Research Group). Research interest in secure Semantic Web, social networking and secure data management services. |
| Web Mèdica Acreditada of the Medical Association of Barcelona (COMB) Spanish Medical review and labelling scheme. |
