Overview Founded in 1916 and headquartered in Melbourne, Australia, CSL Limited is widely considered the leader in Australian healthcare and one of the largest global biotechnology companies specializing in plasma-derived therapies, vaccines, and treatments. CSL operates through CSL Behring, CSL Seqirus, and CSL Vifor segments, focusing on 3 different fields, including plasma-derived therapies, vaccines and iron deficiency & nephrology therapies.Read more