Established in 1949, The Interstate Companies is a group of around eight whole blood centers, 22 plasmapheresis centers and a laboratory. Based in Milwaukee, Wis., it provides human blood and its components to the therapeutic and diagnostic industries. Interstate Blood Bank Inc. anchors the company, which has affiliations with Bio-Blood Components Inc., Interstate Biologic Services, LLC and Plasma Biological Services, LLC. Its customer base consists of manufacturers and innovators of research and development of the medical industry at all levels. Product offerings include human serum, recovered plasma, whole blood, red blood cell and more. The U.S. Food and Drug Administration (FDA) license The Interstate Companies.