Uniting nurses in vision and voice since 1905. With 20,000 members, MNA is the leading organization for registered nurses in the Midwest and is among the oldest and largest representatives of RNs for collective bargaining in the nation. MNA is a multi-purpose union that fosters high standards for nursing education and practice, and works to advance the profession through legislative activity. MNA is affiliated with the United American Nurses and the Minnesota AFL-CIO and is a constituent member of the American Nurses Association.