American Air Mail Society
Websitehttp://www.americanairmailsociety.org
Email: sreinhard1@optonline.net

American First Day Cover Society
Website: http://www.afdcs.org
Email: afdcs@aol.com

American Philatelic Society
http://www.stamps.org
Email:apsinfo@stamps.org

American Revenue Association
Website:[url]revenuer.org[/url]
Email: eric@revenuer.com

American Society for Philatelic Pages and Panels
Website: http://www.asppp.org
Email: membership@asppp.org

American Stamp Dealers Association
Website http://www.asdaonline.com
Email: asda@erols.com

American Topical Association
Website:http://americantopicalassn.org
Email:americantopical@msn.com

Carriers and Locals Society
Website: http://www.pennypost.org/

Collector's Club of Chicago
http://www.askphil.org/
Email:webmaster@askphil.org

Confederate Stamp Alliance
Website: http://www.csalliance.org
Email: csaas@knology.org

Errors,Freaks and Oddities Collectors club
Website: [url]efocc.org[/url]
Email: ddprice98@hotmail.com

Hawaiian Philatelic Society
Email: bannan@pixi.com

International Philippine Philatelic Society
Website: http://www.theipps.info
Email: dpeterson@comcast.net

National Duck Stamp Collectors Society
Website: http://www.ndscs.org
Email: ndscs@hwcn.org

National Stamp Dealers Association
Website: http://www.nsdainc.org
Email: gail@nsdainc.org

Perfins Club
Email: flprepers@comcast.net

Plate Number Coil Collectors Club
Website: http://www.pnc3.org
Email: ron.maifeld@pnc3.org

Post Mark Collectors Club
Website: http://www.postmarks.org
Email: stampdance@yahoo.com

Postal History Society
Website: [url]stampclubs.com[/url]
Email: kalphyl@uno.com

Precancel Stamp Society
Website: http://www.precancels.com
Email: psspromosec@comcast.net

Ryukyu Philatelic Specialists Society
Website: http://www.ryukyustamps.org
Email: secretary@ryukyustamps.org

State Revenue Society
Website: http://www.staterevenue.org
Email: staterevs@comcast.net

United Postal Stationery Society
Website: http://www.upss.org
Email: postat@gmail.com

U.S Cancellation Club
Website: http://www.geocities.com/athens/2088/uscchome.html
Email: rrrhoads@aol.com

U.S Philatelic Classics Society
Website: http://www.uspcs.org
Email: membershipchairman@uspcs.com

U.S Possessions Philatelic Society
Website: http://www.uspps.net
Email: patlabb@aol.com

United States Stamp Society
Website: http://www.usstamps.org
Email: webmaster@usstamps.org