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.

Mid-West Tool Collectors is the World's Largest Tool Collecting Organization. We are a non-profit organization devoted to Studying, Preserving, and Sharing Knowledge of Tools.

Founded in 1966 the Midwest Decoy Association has grown to over 1400 enthusiasts from all walks of life. Our members come from all 50 states, the District of Columbia, three Canadian provinces, England, Switzerland, Japan and Mexico.

The Potomac Antique Tools and Industries Association, Inc. (PATINA) is an educational, tax-exempt organization for people who have an interest in the tools, crafts or manufacturing processes of the past.

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

The Antique Telephone Collectors Association, or ATCA, is the largest telephone collectors organization in the world.

AWA Vision: To

The Antiques Council is a professional association of antique dealers that mandates the highest ethical and professional standards.