National Society of Accountants NSA and its affiliates represent more than 30,000 independent practitioners who provide accounting, tax, auditing, financial and estate planning, and management services to 19 million individuals and businesses.  Most members are sole practitioners or partners in small- to medium-size accounting firms.  NSA protects its members' right to practice and protects the public by requiring its members to adhere to a strict Code of Ethics.  http://www.nsacct.org

Accreditation Council for Accountancy & Taxation The Accreditation Council for Accountancy and Taxation (ACAT) is an independent accrediting and monitoring organization affiliated with the National Society of Accountants. ACAT accredits professionals in independent practice who have demonstrated measurable knowledge of the principles, practices, and ethical standards of accounting, taxation, information technology and related financial services. http://www.nsacct.org/acat.asp

Accountants Association of Iowa AAI is a group of independent accountants who share the same professional concerns. We are a organization whose members enjoy a wide range of special services and opportunities. We are the Iowa Affiliate of the NSA and are a recognized liasion to state agencies, the Small Business Administraiton and the IRS. http://www.aaiiowa.com/