Take away the red and white blood cells from blood and you get plasma, a protein-rich fluid. CSL Behring is among the world's largest fully integrated plasma collection companies. Through subsidiary CSL Plasma, the firm collects plasma from dozens of facilities in the US and Germany. CSL Behring then develops plasma-based protein biotherapeutics to treat a range of health ailments, including bleeding disorders (such as hemophilia), immune system deficiencies (including von Willebrand disease), and respiratory disease (including emphysema). Biotherapeutics are also used in critical care settings for surgical and wound healing applications. CSL Behring is a subsidiary of Australia's CSL Limited.