Asia PKI Consortium (APKIC, formerly the Asia PKI Forum)
Taiwan's PKI Interoperability Management and Promotion Program
Banking sector: Identrust
Trade documentation (North Asia): Pan Asia Alliance
Pharmaceutical industry: SAFE Biopharma
Australian Tertiary Education Sector PKI Project
Cable Labs set top box PKI
Skyp's Zero User Interface (ZUI) PKI (description by the Skype CSO)
US Federal PKI (FPKI Steering Committee)
Australian Government Project Gatekeeper
Open CA Labs (formerly the Open CA Project).