The Official U.S. List of Certified Testers and Business Analysts is now hosted by our ISTQB exam provider, AT*SQA. AT*SQA, the Association for Testing and Software Quality Assurance, is our official global certification exam provider for ISTQB, ASTQB, and IQBBA exams. Special thanks to AT*SQA for hosting this list of these prestigious testers! See the Official U.S. List of Certified Testers and Business Analysts for ISTQB, ASTQB, and IQBBA. Learn more about business analyst certification.