The American Bladesmith Society  
   Dedicated to teaching and promotion of the forged blade. Operates bladesmithing schools, lists trade shows.
   http://www.americanbladesmith.com/

The American Knife and Tool Institute  
   Promotes public awareness, monitors legislation and encourages responsible law enforcement.
   http://www.akti.org/

Florida Knifemakers' Association, Inc.  
   Nonprofit association of custom knife makers and those interested in handmade knives.
   http://www.Floridaknifemakers.org

Montana Knifemakers Association  
   Non-profit educational organization to further the art of knifemaking through seminars and an annual show.
   http://www.montanaknifemakers.com

Australian Knife Collectors Club  
   Encourages aspirations of custom knifemakers and responsible ownership. History, newsletter, open membership.
   http://www.akc.iinet.net.au/

Bay Area Knife Collectors Association  
   Includes forum, membership, and meeting information. Based in Northern California.
   http://www.bakca.org/

National Knife Collectors Association  
   Non-profit, for the improvement of the knife collecting experience and promoting the hobby.
   http://www.nationalknife.org/

Southern California Blades Knife Collectors Club  
   Group for enthusiasts and custom makers. Offers classifieds, sponsors annual Knife Expo, includes information on meetings, and dates of shows.
   http://www.scblades.com/

Williamson County Knife Club  
   Knive collector's organization in Middle Tennessee. Offers membership and show information, newsletter, map, and schedule of meetings in Franklin, Tennessee.
   http://www.members.tripod.com/W_C_K_C/w_c_k_c_.htm

M9 Bayonet Collectors Club  
   Discuss history, manufacturers, and versions of M9 bayonets. Photo posting, events calendars.
   http://www.m9bayonet.com