The Aurora Colony Historical Society promotes interactive lifelong learning by inspiring curiosity about the heritage of the Aurora Colony.

The National Stereoscopic Association is a non-profit organization whose goals are to promote research, collection and use of vintage and contemporary stereoviews, stereo cameras and equipment, and related materials.

ATOS is an international non-profit organization comprised of worldwide volunteer members who are committed to helping preserve and perpetuate the musical theatre pipe organ heritage that began in the early 20th century.

ASIFA Portland is the Portland, Oregon chapter of the international animation society, the Association International du Film d

SOACC's mission is to form a club to promote the growth of knowledge in antiques & collectibles fields.

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 Northwest Vintage Radio Society (NWVRS) is a

Antique Powerland, which opened in 1970, was originally established by a group of enthusiasts dedicated to the preservation, restoration and operation of steam powered equipment, antique farm machinery and implements.

The Tube Collectors Association is established to support and encourage the collection of electron tubes of all types and historical periods.

Over 100,000 Indian artifacts, illustrating the lives of indigenous tribes from around the world are on display. The primary focus is on Native American tribes.