American Air Mail Society (AAMS) * www.americanairmailsociety.org

American Association of Philatelic Exhibitors (AAPE) * www.aape.org

American First Day Cover Society  www.afdcs.org

American Philatelic Congress * www.americanphilateliccongress.org

American Philatelic Society (APS) * www.stamps.org

American Society of Polar Philatelists www.polarphilatelists.org

American Topical Association (ATA) * www.americantopicalassn.org

Bechuanalands and Botswana Society

Bermuda Collectors Society * www.bermudacollectorssociety.com

British Caribbean Philatelic Study Group www.bcpsg.com

British North America Philatelic Society (BNAPS) * www.bnaps.org

Canal Zone Study Group (CZSG) * www.canalzonestudygroup.com

Carriers and Locals Society (CLS) * www.pennypost.org

Cats on Stamps Study Unit www.catsonstamps.org

China Stamp Society www.chinastampsociety.org

Cinderella Stamp Club of Great Britain www.cinderellastampclub.org.uk

Civil Censorship Study Group * www.c-c-s-g.org

Collectors Club, NY (CCNY) * www.collectorsclub.org

Colombia-Panama Philatelic Study Group (COPAPHIL) * www.copaphil.org

Confederate Stamp Alliance - CSA * www.csalliance.org

Cuban Philatelic Society of America (CPSA) * www.cubapsa.com

Ebony Society of Philatelic Events & Reflections (ESPER) * www.esperstamps.org

Ephemara Society of America * www.ephemerasociety.org

Falkland Islands Philatelic Study Group (FIPSG) * www.fipsg.org.uk

Fédération Internationale de Philatélie www.f-i-p.ch

France and Colonies Philatelic Society (FCPS) * www.franceandcolps.org

Germany Philatelic Society * www.germanyphilatelicsocietyusa.org

G.B. Overprints Society www.gbos.org.uk

India Study Circle (ISC) * www.indiastudycircle.org

Institute for Analytical Philately www.analyticalphilately.org

International Philippine Philatelic Society (IPPS) * www.theipps.info

International Society of Worldwide Stamp Collectors (ISWSC) * www.iswsc.org

International Society for Japanese Philately (ISJP) * www.isjp.org

Iran Philatelic Study Circle (IPSC) * www.iranphilately.org

Meter Stamp Club* www.meterstampsociety.com

Metropolitan Air Post Society (MAPS) * www.mapsnewyork.org/home.html

Mexico Elmhurst Philatelic Society International (MEPSI) * www.mepsi.org

Military Postal History Society (MPHS) * www.militaryphs.org

National Duck Stamp Collectors Society (NDSCS) * www.ndscs.org

Nepal & Tibet Philatelic Study Circle (NTPSC) * www.fuchs-online.com/ntpsc

Nicaragua Study Group (NSG)

Ottoman and Near East Philatelic Society (ONEPS) * www.oneps.net

The Perfins Club (PC) * www.perfins.org

Philatelic Foundation (PF) * www.philatelicfoundation.org

Philatelic Society for Greater Southern Africa www.psgsa.org

Pitcairn Islands Study Group (PISG) * www.pisg.net

Plate Number Coil Collectors Club (PNC3) * www.pnc3.org

Polonus Philatelic Society (PPS) * www.polonus.org

Post Mark Collectors Club (PMCC) www.postmarks.org

Postal History Society * www.postalhistorysociety.org

Postal History Society of Canada * www.postalhistorycanada.net

Postal Label Study Group * www.postal-label-study-group.info

Postal Order Society (POS) * www.postalordersociety.blogspot.com 

Poster Stamp Collectors Club * www.posterstampcc.org

Precancel Stamp Society (PSS) * www.precancels.com

Rhodesian Study Circle * www.rhodesianstudycircle.org.uk

Rocky Mountain Philatelic Library (RMPL) * www.rmpldenver.com

Rossica Society of Russian Philately (ROSSICA) * www.rossica.org

Royal Philatelic Society of London (RPSL) * www.rpsl.org.uk 

St. Helena, Ascension and Tristan da Cunha Philatelic Society (SHATPS) *  www.shatps.org

Society of Australasian Specialists / Oceania http://www.sasoceania.org/

Scouts on Stamps Society, International (SOSSI) * www.sossi.org

Society for Hungarian Philately (SHP) * www.hungarianphilately.org

Society for Thai Philately (STP) * www.thaiphilately.org

Society of Indo-China Philatelists (SICP) * www.sicp-online.org

Society of Israel Philatelists (SIP) * www.israelstamps.com

Spellman Museum of Stamps & Postal History * www.spellman.org

Sports Philatelists International (SPI) * www.sportstamps.org

United Postal Stationery Society (UPSS) * www.upss.org

United States Stamp Society (USSS) * www.usstamps.org

U.S. Philatelic Classics Society (USPCS) * www.uspcs.org

U.S. Possessions Philatelic Society (USPPS) * www.uspps.net

Universal Ship Cancellation Society (USCS) * www.uscs.org

Westfield Stamp Club www.westfieldstampclub.org

Wreck & Crash Mail Society * www.wreckandcrash.org

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