The American Philatelic Society
The British Columbia Philatelic Society
The British North America Philatelic Society
The Israel Philatelic Federation
The Philatelic Society for Greater Southern Africa
The Rhodesian Study Circle
The Vatican Philatelic Society
Association Philatélique du Loiret
Stampboards - Postage Stamp Chat Board & Stamp Bulletin Board Forum
Stamporama - The Stamp Club for People Who Love Stamps
Stamp Bears Forum
Stamp Community Forum
The Stamp Forum (TSF)
Greater Mound City Stamp Club
Philatelic Society of Lancaster County
Rocky Mountain Philatelic Library
Stamp Smarter - Philatelic Learning Center
The Digital Philatelist - For Modern Stamp Collectors
The Philatelic Database
TIMBRES DE FRANCE (Stamps of France)
Bundu Technology Ltd - Hardware and Software Consulting and Design Services
Laserwrite Promotions for Rubber stamps and Self Inking Stamps, Melbourne, Australia
Model Engineering & Other Hobbies