PIPEX 2013 Details of Convening Societies (click the above link)
Mexico Elmhurst Philatelic Society International Peru Philatelic Study Circle Rossica Society of Russian Philately
Future PIPEX shows and Convening Societies
American Society of Polar Philatelists http://www.polarphilatelists.org/ Military Postal History Society http://www.militaryphs.org/ Universal Ship Cancellation Society http://www.uscs.org/
PIPEX 2016
Mobile Post Office Society http://www.eskimo.com/~rkunz/mposhome.html Scouts on Stamps Society International (SOSSI) http://www.sossi.org