As of 26 February 2017, the World Wide Web Consortium (W3C) has 443 Members.
Read W3C Member testimonials, such as:
Inria is a founding member of W3C. Inria is the french national research institute dedicated to digital sciences, addressing scientific and technological challenges in IT and playing an active role in technology transfer. Inria was also the European host of W3C until 2002 and actively contributes to W3C groups and activities. Contact Institut National de Recherche en Informatique et en Automatique (INRIA)
W3C Member since 27 April 1995.