National
American Israel Numismatic Association, American Numismatic Association, John Reich Collectors Society, Professional Numismatists Guild, Society of Silver Dollar Collectors, The Civil War Token Society, The Numismatic Bibliomania Society, Women in Numismatics (WIN), Wooden Nickel Collectors Organization
Regional
American Numismatic Association - Clubs, Anchorage Coin Club, Ancient Coin Club of Chicago, Ancient Coin Club of Los Angeles, Baltimore Coin Club, Bellaire Coin Club, Beverly Hills Coin Club, Blue Ridge Numismatic Association, Boeing Employees Coin Club, California State Numismatic Association
American Medallic Sculpture Association
Contains information on medallic art, images, a listing of events and exhibitions and membership information.
Casino Chip and Gaming Tokens Collectors Club
Includes club information, a message board and reference material.
CONECA
National numismatic organization devoted to error and variety collectors.
Early American Coppers
EAC is a not-for-profit numismatic specialty organization founded in 1967 to serve as a point of contact for collectors of early U.S. copper coins - Colonials, Half Cents, Large Cents, and Hard Time Tokens
FlyInClub.com
The Flying Eagle and Indian Head cent collector's society. Club news, member classified ads, and journal, "The Longacre Ledger."
Liberty Nickel Collector Society
The premier online club for collectors of Liberty Head Nickels. Complete information from patterns to the famous 1913 Liberty Nickel.
The Colonial Coin Collectors Club
Contains information on joining, reference material, a mission statement, a primer on collecting and a lending library.
The Society of U.S. Pattern Collectors
A collector club for individuals who collect US Patterns. Patterns are prototypes for coins that, for the most part, were never approved for circulation.
US Mexican Numismatic Association
A numismatic association in the United States, devoted to Mexican Numismatics.
Young Numismatists of America
Promotes numismatics among young numismatists. Publishes a quarterly journal, with features articles, club news, and contests,