The National Association of Housing Cooperatives is a nonprofit federation of housing cooperatives, mutual housing associations, member associations, professionals, organizations and individuals interested in promoting the interests of cooperative housing communities. The site provides a wealth of information and resources for co-op boards, professionals and individuals.
Community Associations Institute (CAI) is a national organization of cooperatives, condominiums and community associations that helps give board members, managers, and homeowners the knowledge to run their associations effectively.
The Cooperative Housing Foundation is a non-profit organization dedicated to the development of better housing and related community services for low and moderate income families in the United States and throughout the world.
The National Cooperative Business Association presents information about cooperatives to help people understand how they can use the cooperative model to improve their lives and their communities.
The Council of New York Cooperatives & Condominiums is a not-for-profit membership organization for housing cooperatives and condominiums in the New York area. It offers a broad range of services, including monitoring legislation, lobbying, meetings, workshops, seminars and studies of aspects of cooperative living.