Established in 1934 as Tulsa Teachers Credit Union, TTCU Federal Credit Union is the second-largest credit union in Oklahoma. We're a $2.0 billion financial institution with a full complement of depository, lending and financial advisory services. As a not-for-profit organization, our financial success is returned to our membership in the form of low-rate loans and high-rate savings accounts. The membership of TTCU is more than 135,000 strong and is made up of teachers, school faculty, administrators, staff, students and more than 625 affiliated groups. TTCU is a proud member of the Credit Union National Association and the Cornerstone Credit Union League.