CSL Ltd. is a biopharmaceutical company, which engages in the manufacture, marketing, and distribution of biopharmaceutical and allied products. It operates through the following segments: CSL Behring and CSL Seqirus. The CSL Behring segment provides plasma therapies and conducts early stage research on plasma and non plasma therapies. The CSL Seqirus segment involves in the production of non-plasma biotherapeutic products and develops influenza related products. The company was founded on November 2, 1961 and is headquartered in Parkville, Australia.