The Professional Currency Dealer Association counts among is members over 100 of the world's leading specialists in currency, stocks and bonds, fiscal documents, and related paper items.

The Society of Paper Money Collectors is a corporation organized to promote, stimulate and advance the study of paper money and other financial documents in all their branches along educational, historical and scientific lines.

We are a 501(c)(3) educational organization with the mission of preserving gaming history.

The American Topical Association (ATA) was founded in 1949 and is now the largest philatelic society devoted specifically to topical stamp collecting.

The Collectors Club is a group of more than 750 people who have come together to further the study of philately, promote the hobby and provide a social, educational, and non-commercial setting for the enthusiastic enjoyment of our common passion.

The American Stamp Dealers Association is a professional organization serving philately since 1914. We are dedicated to promoting integrity, honesty and reliability, and we are the hobby builders of philately.

With nearly

The American Stamp and Coin Foundation is a non-profit, 501-3C organization, serving the public now for thirty years.

The primary purpose of the National Duck Stamp Collectors Society (NDSCS) is to promote and encourage the collecting and study of migratory waterfowl hunting and conservation stamps.

The Graphics Philately Association is an informal, non-profit organization of people who have a mutual interest in the history of graphic communications as represented on stamps and other philatelic materials.