Organizations in the United States that engage in Mutual Organizations number in the thousands. There are many in each state, including new and fully-established groups. There are currently 6 subcategories of Mutual Organizations as defined by the IRS activities codes. These subcategories include everything from Corporation organized under an Act of Congress (see also use (904) to Reserve funds or insurance for domestic building and loan association, cooperative bank, or mutual savings bank. Explore the links below to see what these organizations have to offer.