The Civil War Token Society
- A national, non-profit organization dedicated to help stimulate interest and research in the field of Civil War token collecting.
- http://www.cwtsociety.com/

John Reich Collectors Society
- The study of United States gold and silver coins minted before the introduction of the Seated Liberty design.
- http://www.jrcs.org/

Wooden Nickel Collectors Organization
- On-line club for anyone who has even a passing interest in collecting Wooden Nickels.
- http://www.wooden-nickel.org/

Professional Numismatists Guild
- PNG is a non-profit organization of the country's rare coin and paper money experts, dedicated to today's collector and investor.
- http://www.pngdealers.com/

Society of Silver Dollar Collectors
- SSDC - Your connection to Morgan and Peace Dollar Varieties. VAMlink.com is the ultimate resource for VAM collectors.
- http://www.vamlink.com/

Women in Numismatics (WIN)
- A service organization in the hobby.
- http://www.money.org/sum-baber.html

The Numismatic Bibliomania Society
- Non-profit educational organization founded in 1980 to support and promote the use and collecting of numismatic literature.
- http://www.coinbooks.org/