The Society is organized to promote the collecting of stamps and the study of the postal history of

The Society of Israel Philatelists (SIP) was founded in New York City shortly after Israel became a sovereign state in 1948. The SIP is devoted to the philately of the Holy Land, Israel and Judaica.

Our society is devoted to all aspects of Possessions philatelty. It is a non-profit organization founded in 1978 with 17 charter members.

The Postal History Foundation supports stamp collectors of all ages.

The IAA was founded in 1955 to serve cartridge collectors and professionals in the areas of ammunition research and forensics.

Our purpose shall be to organize and maintain a membership for educational, charitable, scientific and literary purposes.

O.G.C.A. is a non-profit corporation that promotes friendship for those interested in the collection, possession, and use of arms by responsible persons.

Winchester Arms Collectors Association (W.A.C.A.) is a non-profit tax-exempt corporation and an international organization comprised of over 2,200 members devoted to the preservation, understanding and collecting of Winchester firearma.

The Sharps Collector Association was formed in 1993 to study the firearms of Christian Sharps and the Sharps Companies.