Grifols, S.A. develops, manufactures, and distributes a range of biological medicines on plasma derived proteins worldwide. The company operates in five segments: Bioscience, Diagnostic, Hospital, Bio Supplies, and Others. The Bioscience segment manufactures plasma derivatives for therapeutic use; and sells and distributes end products. It offers intravenous immune globulin, Factor VIII, alpha-1 proteinase inhibitor, and albumin; and intramuscular immunoglobulins, antithrombin III, Factor IX, and plasma thromboplastin components. The Diagnostic segment focuses on researching, developing, manufacturing, and marketing in vitro diagnostics products, including analytical instruments, reagents, software, and related products for use in clinical and blood bank laboratories. It serves blood donation centers, clinical analysis laboratories, and hospital immunohematology services. The Hospital segment offers products used by hospitals, as well as parenteral solutions and enteral nutritional flu