- Liberty Seated Collectors Club ~ dedicated to the study and attribution of the American silver Liberty Seated coinage of the 19th century
- Combined Organizations of Numismatic Error Collectors of America ~ national numismatic organization devoted to the education of error and variety coin collectors
- Colonial Collectors Club ~ forum for collectors of numismatic material related to our Early American era
- Early American Coppers ~ the acquisition, study, discussion and promotion of early copper coins: large cents and half cents coined by the US mint from 1793 through 1857
- Society of Silver Dollar Collectors ~ premier collector organization dedicated to the study of Morgan and Peace Silver Dollar varieties
- John Reich Collectors Society ~ encourage the study of numismatics, particularly United States gold and silver coins minted before the introduction of the Seated Liberty design
- The Elongated Collectors ~ encourage the study, acquisition, and exhibition of elongates and related items
- Token and Medal Society ~ promote and stimulate the study of tokens and medals