South Texas Blood & Tissue Center (STBTC) is a unique, non-profit, community resource that saves lives by working with volunteer donors to provide the highest quality blood and tissue components to patients. By using cutting-edge technology, our team of dedicated professionals has helped save hundreds of thousands of lives over more than 30 years. We collect and test more than 200,000 components of life-saving blood and tissue each year from volunteers all over South Texas. We are internationally recognized for the quality of our services and research.