As of 18 January 2017, the World Wide Web Consortium (W3C) has 426 Members.
Read W3C Member testimonials, such as:
DigiCert® strongly supports W3C and its ongoing efforts to shape and establish standards and technologies that not only improve the usability of the Web but innovate. DigiCert® is a leading Webtrust Certified CA, providing High-Assurance SSL Certificates. Contact DigiCert SSL Certificate Authority