SyTrust, Germany
E-mail: info@sytrust.com

SyTrust sponsored the OCSP Responder for OpenValidation.org. The SyTrust technology provides the very heart of this service. We recognize them as one of the major players in the field of certificate validation technologies. SyTrust is a paying sponsor for OpenValidation.org.

SwissSign, Switzerland
E-mail: info@swisssign.net

SwissSign not only offers free certificates for private use, but also provides an attractive model for high-quality certificates for commercial purposes to its customers around the world. SwissSign is a very active and competent player in the global PKI market - and has a big sympathy for the ideas of Open Source and Open Information.

secaron AG, Germany
E-mail: info@secaron.de