Photonics21 is a voluntary association of industrial enterprises and other stakeholders in the field of photonics in Europe. It unites the majority of the leading Photonics industries and relevant R&D stakeholders along the whole economic value chain throughout Europe. Presently, we can count as members more than 1,400 stakeholders who come from 49 countries.
Links:
[1] http://qurope.eu/users/thew
[2] http://www.photonics21.org/
[3] http://maps.google.com?q=VDI-Platz+1%2C+%2C+Duesseldorf%2C+de
[4] http://qurope.eu/category/industry-type/optics