Antique and Historical Arms Collectors Guild of Victoria

Arms and Armor Society of America

Arms and Armour Society (U.K.)

Charles Homer Haskins Society

Forks of the Delaware Historical Arms Society, Inc.

Metropolitan New York Japanese Sword Club/NY Tokenkai

Miniature Arms Collectors & Makers Society, Ltd.

Minnesota Weapons Collectors Association

San Francisco Japanese Sword Society

Society for the Preservation of Japanese Art Swords, The